RippleUp

🌱 RippleUp — One Kotlin Codebase, Android + Windows

A sustainability actions app rebuilt 1:1 from the MVP PDF — and shipping. Version 5.3.3 is in production on both Android (APK) and Windows desktop, from a single Kotlin codebase built with Compose Multiplatform.

• 💻 Source: https://github.com/rudra496/RippleUpApp
• 📦 Releases: v5.3.3 — signed APK + Windows desktop zip

What it does

• Sustainability actions — browse, commit and track eco-friendly actions with streaks and progress
• One codebase, two platforms — Jetpack Compose on Android, Compose Multiplatform on Windows desktop
• Production-grade — versioned releases (versionCode 25 at v5.3.3), offline-first data, no account required
• Faithful to spec — rebuilt 1:1 from the original MVP product document, then hardened through real usage

Why it matters

RippleUp proves a solo developer can ship and maintain a real multiplatform app from a single Kotlin codebase — no JavaScript bridge, no separate UI codebases, no feature drift between platforms.

Tech stack

Kotlin · Jetpack Compose · Compose Multiplatform 1.6.11 · Gradle · Windows packaging

Built With

• android
• compose-multiplatform
• kotlin
• windows