Kotlin
How vibe coders and indie builders use Kotlin: 147 projects built with it since May 2026.
Projects built with it
147
Share of stated stacks, 4 wks
1.1%
Last 4 weeks vs 8 before
+19%
Add-ons built for it
0
Share of stated stacks, per week
Share rather than counts, so changes in how many posts a subreddit lets through don't show up as trends.
Often used with
- Jetpack Compose 76
- Room 26
- Swift 17
- Firebase 15
- SwiftUI 13
- Material Design 12
- Flutter 12
- Cloudflare 12
What's built with it
Latest projects built with Kotlin
- HoleZ — Idles owned Steam games that still have card drops remaining and shows the farming session's progress on Android.“I built an Android app for automatic Steam card farming — HoleZ”
- GifScroll for Android — Shows a full-screen swipe feed of memes, GIFs and videos from Reddit meme communities, with comments, reactions, uploads and user profiles.“GitHub - emckeon97/GifScroll-for-Android: Android”
- Sistema de MDM empresarial y control parental — Provides parental control and mobile device management features for Android devices, sold as full source code.“Sistema de MDM empresarial y control parental (Android nativo)”
- Hefesto — Turns an Android phone into a development workspace that compiles APKs on-device and runs coding agents inside a Linux environment.“Have you ever thought about building apps and websites right from your phone?”
- Baobab — Bundles notes, recipes, trip itineraries, expenses, a PIN-protected journal, habit tracking and a book library into one Android app with Google account sync.“I built Baobab, a "second brain" app that bundles 6 mini-apps: notes, recipes, trips, expenses, journal and books. No ads, no tracking.”
- Daily Focus — Limits each day to one main task plus up to three smaller ones and runs a Pomodoro timer to work through them.“[Dev] I built a Pomodoro timer around one idea: pick one main task a day and finish it”
- Micutre — Streams live phone microphone audio to a connected Bluetooth speaker with voice effects, JSON presets, and a soundboard.“Micutre — an open-source Android Bluetooth microphone”
- Time Stopper Master — Tests and trains internal time perception by having users stop a timer on an exact millisecond target without looking.“I launched Time Stopper Master on Android to turn millisecond time-estimation into a gamified challenge. Looking for launch feedback!”
- GT-Launcher — Replaces the standard Android home screen grid with customizable modular cards, gesture controls, a command search, and an OBD-II car dashboard mode.“Tired of rigid app grids, I spent months building a modular Android launcher with customizable cards and an OBD2 car dashboard”
- Outcue — Announces the title and optionally artist of the currently playing song out loud on Android.“My friend asked Spotify for a feature that announces song names. Nothing happened, so I built it for all Android music apps”
- Nitivakya — Syncs nested offline-edited actions and their levels and items to a server using an outbox queue and atomic database RPC calls.“When Offline Sync Relying Only on Local State Breaks, and How I Fixed It in Nitivakya (KMP + SQLDelight + Supabase RPC)”
- Live Ride — Shows a customisable live dashboard of chosen ride metrics while tracking and saving bike rides.“Why do I need a subscription to get information on my bike ride.”
- Chime — Sorts Android SMS messages into categories like personal, OTP, banking, promos, and spam using on-device learning.“Chime: SMS Organizer with On-Device ML”
- DeskRhythm — Reminds users when to switch between sitting, standing and moving during the workday.“DeskRhythm is out on iPhone: the latest app from my studio, built with an open-source AI product team”
- LookAway — Alerts a Windows PC with a red screen flash and escalating spoken warnings whenever an Android phone is unlocked.“I built an app that literally yells at me on my PC every time I unlock my phone while working”
Pitched as alternatives to Kotlin
- Rotlin — Compiles a programming language with slang-based syntax to Kotlin so Kotlin and Java libraries can be used.“Rotlin. Kotlin but for GenZ”