r/droidappshowcase • • 7h ago

Promo / Giveaway win 20 promo codes for Stepline Pro

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25 Upvotes

Hey everyone,

Stepline is an app I made that turns your daily steps into a straight line on a map, showing where your steps would take you as the crow flies. No GPS route recording, just your steps and a map. You can choose a direction in the morning and watch the line grow as you walk. See landmarks or towns your steps have reached and how far you’ve walked.

Here’s how to enter:

  1. Comment below

  2. I’ll pick 20 winners at random.

  3. Winners get notified by DM with their promo codes.

  4. I’ll post the names of the winners here on the sub.

Thanks for joining in! Hope you enjoy Stepline.

Link: https://play.google.com/store/apps/details?id=com.polyhistor.stepline


r/droidappshowcase • • 14h ago

Promo / Giveaway Meridian Launcher: Promo Codes

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24 Upvotes

Hi Everyone!

I've created Meridian Launcher and have been gathering a small community!

I've got 50 promo codes for anyone who may be interested in trying it out! My last give away got a bit out of hand with the manual code DM's so instead, I've added a automated way to distribute them via our website. The codes are first come first serve and require a discord login (This information is not used at all, it's just to make sure one person doesn't claim everything and avoid bots).

Feel free to DM directly as well and I can provide one to you too!

Meridian is and always will be free for sideload on the meridian site and the announcements channel in discord!

Feel free to try it out and let me know if you have any suggestions!

Meridian: feature list

  • Spaces. Set up a separate home screen for each part of your day, each with its own pages, dock, folders, grid and icon style. They can switch on a schedule or when something happens, like connecting to Wi-Fi or Bluetooth, turning on Do Not Disturb or plugging in to charge. They also switch with the launcher closed.
  • AI assistant. Ask in plain words ("4x6 grid", "hide these apps", "set up a Bedtime space") and it makes the change. It shows each change old-to-new with an Undo button. You use your own key from OpenAI, Anthropic, DeepSeek, Groq, Mistral, OpenRouter or Perplexity, any OpenAI-compatible endpoint, or a local Ollama server. It's off by default.
  • Gestures. There are 16 triggers you can assign, including swipes, pinches, double-taps, rotations and edge swipes. There's also a gesture pad: draw any shape and it runs an action.
  • Layout. Grids go up to 16x16, and you can place items on half cells.
  • -Icons. Icon packs work and come with a built-in browser. There are 7 icon shapes plus themed and dynamic calendar icons, and you can set a custom image, label or launch target for any single icon.
  • App drawer. Choose from 4 layouts and add your own tabs. Hidden apps are locked behind your fingerprint. Search handles initials ("gm" finds Gmail), typos and T9.
  • Widgets. You can make swipeable widget stacks. Meridian also has its own widgets: a smart shelf of apps you're likely to open next, quick actions, a Space switcher and an ask-anything bar.
  • Privacy. There are no analytics, trackers, crash reporting or accounts, and no Meridian server. Only web search and the assistant can use the network, and both are off by default.

Links:

meridian-launcher.com/giveaway <--- claim your code now!
Obtainium Repo
Play Store Listing


r/droidappshowcase • • 7h ago

Showcase Wave Music - Open source YT music client

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22 Upvotes

This is an open source YT music client, it's built around having your essential features without being cluttered.

The main focus here is your lyrics, you can adjust the timing, change sources, the app already tries to find the best source for that song. You can translate them using Google translate or bring your own API key for LLM powered translation.

You can customize the appearance of the app and change many things about it to make it your own. You like liquid glass? you can make it the center of the show. If you hate it you can turn it off and enjoy your music with 0 distractions.

You can adjust liquid glass intensity using the slider to make it as subtle as it gets, or make it very reflective and barely legible. It's all your choice.

You can listen to podcasts. You can see how many songs of your favorite artist you have in your "Favorite" page. Create your own playlists with suggestions section that suits your playlist's music.

The landscape mode isn't an after thought, so you can do pretty much everything in landscape mode.

My Github: https://github.com/petesamuel1120-dotcom/WaveMusic


r/droidappshowcase • • 16h ago

Showcase CRT-Screen-Off-Animation (100% Rootless)

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9 Upvotes

I missed the CyanogenMod CRT screen-off animation from Android 2.3/4.0, so I built a 100% rootless version for modern Android (Android 13–16+) using real-time AGSL GPU shaders.

Back in the CM7 / CM9 days, that iconic horizontal electron-beam collapse before screen sleep was peak Android. When Google retired the effect, getting it back meant rooting, custom ROMs, or tripping Knox fuses. 

I wanted it back without compromises, so I rebuilt it from the ground up:

### ✨ Quick Highlights

- **100% Rootless & Knox Safe:** Uses official Android Accessibility APIs. Zero root, zero Knox tripping, 100% Play Integrity safe.

- **120Hz AGSL GPU Shaders:** Butter-smooth real-time rendering on your phone's GPU.

- **Zero Battery Impact:** Fully dormant when idle—no background services or drain.

- **Gesture Ready:** Map it to a Samsung Good Lock (One Hand Operation+) edge swipe or home screen shortcut.

- **Privacy First:** 0 internet permissions in the manifest.

*(P.S. When scrolling through the dashboard settings, don’t panic if you feel microscopic static electricity on your screen—that’s just my custom touch-static overlay paying homage to running your fingers over a 90s TV glass! 😜)*

---

### Download & Full Setup Guide

All detailed setup steps (including handling Play Protect & Android 13+ restricted settings) and source code are on GitHub:

**Download Release APK (v1.0.0):**   https://github.com/Typongtv/CRT-Screen-Off-Animation

Video of app in action can be viewed here: https://www.reddit.com/u/typongtv/s/oo8zacTEcu

Hope this brings back some good memories for fellow retro Android fans!


((UPDATE))

CRT Screen-Off Animation v1.0.1 released.

https://github.com/Typongtv/CRT-Screen-Off-Animation/releases/tag/v1.0.1


r/droidappshowcase • • 15h ago

Showcase ClearPDF - PDF, Word & Excel Tools for Android

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4 Upvotes

App Name: ClearPDF

Hey everyone! I've been developing ClearPDF, a free and open-source Android app for PDFs, Word documents, spreadsheets, and images.

One of the main things I focused on is the Liquid Glass-inspired UI/UX on Android, combined with offline-first functionality. I wanted the app to feel modern and polished while keeping everyday document tools accessible without needing an internet connection.

Features include PDF editing and annotation, document scanning, Word document viewing, XLSX spreadsheet editing, and more.

Recent updates bring performance improvements, UI refinements, and additional features.

Cost: Free and open source (MIT licence)

Download: https://github.com/Chethan616/ClearPDF/releases/latest

Source code & contributions: https://github.com/Chethan616/ClearPDF

Give it a try, and if you're a developer, contributions are welcome!


r/droidappshowcase • • 21h ago

Showcase PDFreflow - two-column PDFs reflowed for phones

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4 Upvotes

App Name: PDFreflow: Technical E-Reader

What it does: Reading a two-column paper on a phone means pinch, zoom, drag, scroll, repeat.

PDFreflow detects the columns, rebuilds the reading order and reflows the text into one readable column, like an e-book.

Key Features:

  • Papers, RFCs, technical books and long manuals in a single column, with headers, footers and page numbers stripped
  • Formulas, tables and figures kept as images, never mangled into text
  • Real dark mode: the text itself turns light on dark, not a picture of a white page

Also: footnotes open as popups and citations are tappable; fonts for dyslexia and low vision (OpenDyslexic, Atkinson Hyperlegible); reads EPUB, TXT and single-file HTML too.

Your documents never leave your phone: no accounts, no cloud, no ads. Text-based PDFs only - scanned documents aren't supported.

Goal: Launch (free early access)

Cost: free during early access. After that, short PDFs (most papers) stay free; long documents need a single unlock - one purchase covers all documents, any length, forever. No subscription.

Link: https://play.google.com/store/apps/details?id=com.eggnstone.reader&referrer=utm_source%3Ddroidappshowcase%26utm_medium%3Dsocial%26utm_campaign%3Dwave3

Solo developer here - happy to answer questions.


r/droidappshowcase • • 3h ago

Showcase FrameX opensource app 4 developers, security audit

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4 Upvotes

​

FrameX is an open-source developer utility and on-device security audit suite for Android package inspection and static vulnerability analysis.

• Static Security Analyzer: Flags cryptographic flaws, insecure api usage and leaks using advanced hardcoded secret detection.

• APK Package Inspector: Explores internal directories, DEX headers, byte breakdowns, and app signatures without unpacking to disk.

• Flutter Packages Scanner: Automatically scans compiled Flutter binaries to list third-party open-source packages.

• Privacy-First: Operates with zero ads, zero tracking, and 100% offline local processing.

Support & Contribute:

It's not just another vibe coded app, definitely useful for developers, security researchers, ux designers etc.

https://play.google.com/store/apps/details?id=com.stardust.framex

https://github.com/srinivasan0000/framex\\_flutter\\_opensource\\_project

I am actively working on it, your feedback and contributions mean everything! Check out the project


r/droidappshowcase • • 15h ago

Promo / Giveaway CataLift - A fast, free workout tracker

5 Upvotes

App Name: CataLift

What it does: CataLift is a fast, flexible workout tracker built for lifters who want more detail than most apps allow, from tempo and pauses to grip, stance, and side-by-side tracking. Load your own programs, enter your RPE, and it handles the rest, with gamification, challenges, and equipment alternatives to keep you progressing.

Key Features:

  • Detailed set tracking: tempo, pauses, supersets, separate rest timers between sets and exercises, a plate calculator, and variations (grip width, stance, deficit, left/right side)
  • Equipment alternatives when your machine or rack is taken, plus custom programs so setting up a session is as easy as entering your RPE
  • Gamification and social features: badges, achievements, prestige levels, and social challenges, with leaderboards coming soon

Goal: Launch

Giveaway: N/A

Cost: Free. Almost every feature is free; only the advanced progress reports are premium.

Link: https://play.google.com/store/apps/details?id=com.catalift.app.android

I’ve spent the last two years building CataLift because the app I was using was missing features I needed and felt slow mid-workout. I’d love for you to try it, and I’m happy to answer questions or take feature requests!


r/droidappshowcase • • 15h ago

Review found an app that turns any photo into a stencil

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3 Upvotes

been looking for something to clean up reference photos into line work before transferring. this one is called stencify, you upload a photo and it spits out a stencil you can print or save as pdf. the skull came out way cleaner than i expected, the jaw and teeth kept their shape. anyone know other apps that do this?

https://play.google.com/store/apps/details?id=com.dndapplications.stencify


r/droidappshowcase • • 17h ago

Showcase I built a Bhagavad Gita App in English & Hindi

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5 Upvotes

The idea is simple: make the Bhagavad Gita, Upanishads, and other Indian wisdom texts easier to connect with in everyday life.

Each daily reading pairs the original Sanskrit with a clear English adaptation. You can explore its deeper meaning or find readings about patience, relationships, focus, and more.

There’s also guided meditation, calm music, illustrated themes, widgets, and share cards. I’ve put a lot of care into making the experience feel calm and beautiful.

Daily readings and saving favorites are free. Premium adds deeper explanations, library exploration, themes, and meditation features.

Play Store Link - https://play.google.com/store/apps/details?id=io.ameyalabs.ancientwisdom&pli=1

I’d love any feedback - on the UX, daily verses, onboarding and any other feature request!!

PS - I am a solo indie dev, building apps in my free time, I love this community and its support for indies like me. Thank you everyone for support!


r/droidappshowcase • • 19h ago

Showcase LifeQuest - 🎮 Turn Your Daily Tasks Into Quests.

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5 Upvotes

Managing your time effectively starts with knowing what to do and staying consistent.

I built LifeQuest, an Android app that turns everyday tasks into an RPG-style experience. Complete tasks, earn XP and gold, level up, build streaks, and make progress toward your goals—all while making productivity more engaging.

✨ What LifeQuest offers:

- 📋 Organize your daily tasks as quests

- ⚡ Earn XP and level up as you make progress

- 🪙 Earn gold through task completion

- 🔥 Build consistency with streaks

- 🎨 Choose between fantasy and cyberpunk themes

- 📱 Offline-first experience

Make every task count and turn your everyday routine into a quest worth completing.

Download LifeQuest on Google Play:

https://play.google.com/store/apps/details?id=com.versanyx.lifequest


r/droidappshowcase • • 8h ago

Promo / Giveaway CherryBrew: 20 free lifetime codes

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3 Upvotes

CherryBrew is a paid Android app that opens the social sites with Reels, Shorts and distracting feeds hidden. You keep messages, search and subscriptions.

I’m giving away 20 free lifetime codes. Comment “code” below and I’ll send you one by DM while they last.

Google Play: https://play.google.com/store/apps/details?id=com.marcopolo.cherrybrew


r/droidappshowcase • • 11h ago

Showcase Wobbulator - turn still images into motion

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3 Upvotes

This little octopus started as a still image. Circle the head, paint the arms, press Play: tiny tentacle dance. 🐙

App: Wobbulator. I'm the developer.

What it does: Adds motion to selected parts of a still image on Android.

Key features - Place and reshape circular areas, or follow an outline with Studio Paint. - Give different areas their own motion and feel. - Play an animation or switch to touch interaction.

Who it's for: Character creators, artists, anime fans and anyone who wants to experiment with making still pictures move. What would you bring to life—an OC, a mascot, or a creature?

Cost: Included examples are free to edit, save and reopen. Personal photos, imports and exports require the full personal-use edition: $6.99 USD once, covering Android and Windows. No subscription. No giveaway or promotion in this post.

Official download page: https://github.com/Zboytjbxp/wobbulator-updates/releases/latest

Android installs from the APK on that page; it isn't on Google Play yet.

About the video: Actual Android Circle and Studio Paint editing. Setup is sped up and menu navigation is omitted; final motion plays at normal speed.


r/droidappshowcase • • 19h ago

Showcase [Free] Paranova - personal budget + small-business

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3 Upvotes

Hi, I'm the developer.

App Name: Paranova

What it does: Paranova keeps your personal money and your small business's books in one app. You start with one ledger and can turn on the other later.

Key Features:

- Personal ledger: accounts, budgets with overspend alerts, savings goals

- Business ledger: invoices and client balances (who owes you what)

- Expense approvals for small teams: staff submit, you approve

Goal: Launch / feedback

Giveaway: None

Cost: Free, no ads

Link: https://play.google.com/store/apps/details?id=com.paranova.app

Feedback is welcome, especially on the business ledger.


r/droidappshowcase • • 23h ago

Showcase NOLOSS - Chat with no signal, works with bitchat

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3 Upvotes

App Name: NOLOSS

What it does:

NOLOSS lets you chat with people around you when there's no cell signal and no Wi-Fi. Phones connect over Bluetooth, and if someone is out of range, the phones in between pass the message along, like a bucket brigade. Think mountains, campsites, festivals, crowded events where the network gets overloaded, or the day an outage takes everything down.

It's built on the open-source bitchat, so NOLOSS users and bitchat users nearby end up in the same chat.

Key Features:

Chat without signal: Nearby phones connect directly over Bluetooth and relay messages for each other. The more people around, the farther messages reach. Talk to bitchat users too: Same chat, no extra setup. Pay It Forward: If one person nearby has mobile data, they can share it with everyone around, relayed phone to phone. (The sharer needs Android 10+ and mobile data. Receivers do a one-time setup that the app walks you through. Everyday browsing works; some kinds of traffic aren't supported.) Invite one far friend: When you do have internet, invite one person who is far away into your local chat. Two groups in different places can even merge into one chat. No sign-up: No phone number, no email. The app picks a random name for you. DMs are end-to-end encrypted (Noise protocol), and I don't run any servers.

Goal: Launch. I just released it on Google Play and would love feedback, especially from people who often end up with no signal.

Giveaway: None.

Cost: Free. There's one banner ad on the Settings screen only, never in chats.

Link: https://play.google.com/store/apps/details?id=com.iea.noloss

I'm a solo developer in Japan. One honest note: it's not a replacement for emergency services, and range depends on how many people around you have it installed, so it works best when a group installs it together.

Where would you actually want chat without signal? Hiking, festivals, travel, somewhere else?

Thanks for checking it out!


r/droidappshowcase • • 23h ago

Promo / Giveaway GreenFocus - Stay focused in your goals

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3 Upvotes

Hey everyone 👋

I'm a solo dev and college student, and I built GreenFocus because I kept opening Instagram "for 5 minutes" in the middle of studying and losing an hour.

GreenFocus is a focus app for Android that actually locks the apps that steal your time while you work.

What it does:

- App blocking – pick the apps (Instagram, TikTok, YouTube…) that lock during every focus session

- Focus sessions – Pomodoro, 60 or 90 min, or full block mode

- Habits – daily habits that reset on their own (read, gym, drink water…)

- Streaks – a day counts with 10 min of focus + 1 habit done, with a calendar to track it

- Digital Detox – see your real screen time and get an 8-week plan to bring it down

- Zen AI coach – ask how your day went and get specific tips on what to fix tomorrow

Privacy: per-app usage is analyzed on your device. Only your daily average is saved to your account so the plan can track your progress.

It's free to download, with a Premium plan (3-day free trial) for the advanced features.

📲 Google Play: https://play.google.com/store/apps/details?id=com.hatilasmaximo.greenfocus3

I'd really appreciate honest feedback, especially:

  1. Is anything confusing in the first few minutes of using it?

  2. What feature would make you actually keep using an app like this?

Thanks for reading 🌿


r/droidappshowcase • • 10h ago

Showcase Persistent Pill Reminder - Reminds you again

2 Upvotes

The reminder went off. You swiped it away. The pill is still sitting there.

Persistent Pill Reminder is for that gap between “I saw the notification” and actually taking the pill. If you haven’t marked the dose as taken, it reminds you again at the interval you choose. You can set the repeat interval and maximum reminder period for each medication. Once you’ve taken it and marked it done, that dose’s repeats stop.

Key features

• Medication and supplement schedules with configurable repeat reminders.

• A dose history and calendar so you can check what you’ve recorded.

• Basic reminders and records without creating an account. English, Japanese and Korean are supported.

Who it’s for

People who notice the first reminder but get distracted before taking the pill.

Goal: Launch

Cost

Free download with ads and an optional one-time ad-removal purchase. Google Play’s US listing currently shows in-app purchases at $1.39–$2.09 per item; your local store shows the price before purchase. No giveaway.

Google Play

https://play.google.com/store/apps/details?id=com.kkomok.pillreminder

Start with one pill you tend to forget and set the reminders that fit your day. The image below is a current English app screenshot.


r/droidappshowcase • • 10h ago

Showcase Ileta: Relay & motor control circuit simulator

2 Upvotes

App Name: Ileta – Relay & Motor Control

What it does: An Android app for drawing and simulating electrical control circuits. Place components, wire their terminals, press Run, and see contactors energize, contacts change state, timers count down, motors start, and live wires light up.

Key Features:

• Build relay and contactor circuits with IEC symbols

• Simulate push buttons, switches, contactors, timer relays, protection, and motors

• Explore 15 ready-made examples, from start/stop to star-delta

• See plain-language explanations for common circuit mistakes

• Works offline and supports eight languages

Goal: I built Ileta as a practical way to explore how relay and motor control circuits behave. It is for students, instructors, engineers, and anyone curious about electrical circuits.

Giveaway: N/A

Cost: Free to try. Some advanced parts and file import/export are available in Ileta Pro, with yearly or one-time purchase options.

Link: https://play.google.com/store/apps/details?id=com.ileta

I’m the developer behind Lyrasoft and can answer questions about the simulator.


r/droidappshowcase • • 12h ago

Showcase I vibecoded a piano app in 2 weeks with my teacher

2 Upvotes

I built Piano Atlas Studio: a piano theory atlas and practice app for Android (no ads, no account)

I'm learning piano and couldn't find one app that showed theory on the keyboard and also helped me practise, so I built it. It's on Google Play now, and I'd love feedback.

🎼 Explore the theory

Chord Atlas: every chord type in every key, shown as real two-hand voicings with finger numbers and inversions. Tap to hear it.

Scale Atlas: the modes, jazz and world scales, Hindustani thaats, Japanese koto tunings, and all 72 Carnatic melakartas

Ragas: janya ragas with their arohana and avarohana, and what makes each one distinct

Fingering Lab: standard fingering for both hands, up and down, with every thumb crossing shown

Progressions: famous chord progressions by style, in any key, voiced so the hands move smoothly

Theory tools: Circle of Fifths, chord and scale comparisons, arpeggios, intervals and a glossary

🎤 Practise with your real piano

Sight Reading: notes, chords, lines and short pieces on the grand staff, at four levels. It listens through your phone's microphone (or a USB MIDI keyboard), so you play on your own piano and it tells you how you did.

Play: your piano, lit up. Play on screen, on a MIDI keyboard, or on a real piano through the mic, along a scale or in an echo game.

Staff Trainer and Note Trainer: learn to read a note at a time; the ones you find hard come back until they aren't

Metronome: with tempo ramps and Indian talas

Guided practice sessions: built from what your drills have recorded, weakest first

✍️ Create

Composer: write songs a section at a time (chords, then the tune, then the left hand), or let "Surprise me" start one. Hear it back, print it as sheet music, or practise it in Sight Reading.

MIDI files: open any MIDI file and the piano plays it with the keys lighting up. Learn it mode waits for your notes, one hand at a time, as slow as you like. You can also open a MIDI file in the Composer or Sight Reading.

🎨 Other bits

Five looks (Stage, Score, Grand, Classic, Pads), each with three themes

A sampled grand piano sound

Backups to a file, or to your own Google Drive (the app can only see its own backup folder)

🔒 Privacy

No ads, no account, no analytics, no tracking. Everything stays on your phone. The microphone is only used when you ask it to listen, and the sound is never recorded or sent anywhere.

💰 Free and Pro

A large part of the app is free. A one-time Pro purchase (no subscription) unlocks the rest: every chord type, scale and raga, the builders, unlimited songs and MIDI files, advanced sight reading, guided sessions and more designs.

Get it:

https://play.google.com/store/apps/details?id=com.pianoatlas.studio

I'm one person building this, so any feedback really helps: what's confusing, what's missing, what you'd want next. Thanks for reading!

Coupon

PAS-MGMY-8E26-CW2G-DHZK

PAS-L6NA-937M-NHZU-UDGG


r/droidappshowcase • • 18h ago

Showcase VibeNow — AI and tech trends on your Android home

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2 Upvotes

App Name: VibeNow

What it does:
VibeNow puts trending AI and tech keywords on your Android home screen. Open the app to explore AI-assisted summaries, related articles, and curated content around the topics that catch your eye.

Key Features:
• Home-screen widget: Check trending keywords and ranking changes without opening the app.
• AI-assisted summaries: Get the key points, then explore related articles for more context.
• Curated discovery: Browse selected Hot Topics and AI/tech videos in one place.

Goal: Launch

Giveaway: None.

Cost: Currently free.

Link:
https://play.google.com/store/apps/details?id=com.aitrendwidget.ai_trend_news

Developer note:
I’m the developer, and my day job is in game QA. I built VibeNow to make following AI trends fit more naturally into an ordinary workday. The screenshots show Korean-language content.

Would an AI trend widget earn a place on your home screen? Happy to answer questions about the app.


r/droidappshowcase • • 20h ago

Showcase PairTake: travel view + reaction in one photo

2 Upvotes

A travel photo idea: let the rear camera fill most of the frame with the view, and keep your face in a small front-camera inset. You get the place and your expression at the same moment, rather than a landscape followed by a separate selfie.

Disclosure: I'm the developer of PairTake. Here's how to set up this shot in the app:

  1. Switch to photo mode and choose the picture-in-picture layout.

  2. Make the rear camera the main view. Drag and resize the front-camera inset into a quiet corner, clear of the subject.

  3. Check both previews before shooting. Try facing softer light so your face isn't lost against a bright sky.

  4. Take the photo. The combined image saves to your phone's gallery, so there's no need to assemble the two views in an editor.

For a food stop, the same setup can put the dish in the main frame and your reaction in the corner. Use split-screen if both views deserve equal space.

Basic photo capture and these layouts are free, with no watermark. Pro is optional for features such as 4K and separate front/back video files.

One practical catch on Android: simultaneous front/back capture depends on the phone's camera support, not just the Android version. PairTake falls back to a single camera on unsupported devices; this two-view shot needs a compatible phone.

Google Play: https://play.google.com/store/apps/details?id=com.xionity.dualcamera

For a travel memory, would you keep your face in a small corner or give both views half the frame?


r/droidappshowcase • • 22h ago

Showcase CrownMinute: the time as a year of English history

2 Upvotes

App Name: CrownMinute

What it does: A home-screen widget that reads the current time as a year and shows what happened in English history that year: at 12:15 Magna Carta (1215), at 17:07 the Act of Union (1707), at 19:14 Britain entering the First World War. Tap it to read the full story of the event, why it mattered, and a question to think about.

Key Features:

- 605 events across more than 22 centuries; years that can't be a time (1066, 1588…) appear in the late evening, and the minutes before midnight cover the BCE era

- No ads, no account, no tracking, works offline

- Optional Premium for the Life in the UK citizenship exam: 1,200 practice questions with explanations, 24-question practice papers with a 75% pass mark, a quiz widget, and Russian/Ukrainian translations

Goal: Launch

Giveaway: None

Cost: Free (widget and full timeline). Premium is a one-time purchase, no subscription.

Link: https://play.google.com/store/apps/details?id=com.crownminute.app


r/droidappshowcase • • 23h ago

Showcase Jambolaya: 140 games, play together offline

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2 Upvotes

I'm a solo developer and Jambolaya is my app: 140 classic and original games in one place.

- Board games: checkers, backgammon, Nine Men's Morris and more

- Card games: rummy, crazy eights, solitaire and more

- Brain, puzzle and word games: sudoku, 2048, word search and more

- Arcade games: darts, cannon battle and more

Solo and vs-computer play is free. The app has no ads, no account and collects no data.

You can also play together: everyone in the same room plays on their own phone, with no internet or Wi-Fi. Only the person who hosts needs the one-time unlock, 7 group games are free, and people who join never pay.

10 languages, big readable cards and playable tutorials. Android 8.0 or newer.

Price: free to download; solo and vs-computer play are free. Hosting every game for a group is a one-time $7.99 unlock.

Google Play: https://play.google.com/store/apps/details?id=com.elialoni.Jambolaya

Feedback is very welcome.


r/droidappshowcase • • 23h ago

Showcase TimeLab: RAW photos to timelapse on Android

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2 Upvotes

TimeLab’s new photo editor lets you fine-tune your frames before rendering a timelapse.

📷 Import images, including RAW/DNG
🎯 Edit selected areas with local masks
📈 Shape light and contrast with tone curves
🎬 Export in up to 4K, with background export

Google Play: https://play.google.com/store/apps/details?id=com.mobilephoton.timelab


r/droidappshowcase • • 1h ago

Showcase Rhino - On-Device AI Video Clipper & Compressor

• Upvotes

Everyone knows that the fastest way to grow across TikTok, Reels, and Shorts is by repurposing your existing long-form content (podcasts, YouTube videos, gaming, tutorials, or travel footage).

But the actual editing workflow on mobile is frustrating:

  1. You have to manually crop and keyframe to keep the subject from sliding out of the 9:16 vertical frame.
  2. Existing mobile tools either charge heavy cloud subscriptions, require high-speed internet to upload giant files, or leave ugly watermarks.
  3. Large video files quickly eat up your phone's storage.

To solve this for my own content workflow, I built an on-device Android tool called Rhino:

How it works:

  • AI Subject-Tracking Clipper: The AI analyzes your horizontal video and dynamically keeps the speaker/subject centered inside the 9:16 crop window. No tedious manual keyframing required.
  • Fast Social Splitting: Cut and export bite-sized clips in seconds, including a dedicated 30-second continuous splitter for WhatsApp Status.
  • Smart On-Device Compression: Built-in hardware-accelerated compression (H.264 & HEVC) to shrink heavy clips without visible quality loss, making social uploads instant.
  • Side-by-Side Quality Slider: Preview the compressed clip against the raw original before rendering to make sure details stay crisp.
  • 100% Offline & Private: AI inference and video rendering run completely on your device. No cloud servers, no account login, and zero watermarks.

I am an independent developer actively improving this app (just rolled out build 12 with draft recovery so you don't lose unfinished clip projects).

If you repurpose long-form video into short-form content, I'd really appreciate your feedback on the AI tracking responsiveness and output quality.

(It's free on Google Play under Rhino: Video Compressor & Clipper)