⚡ Chain — Habit Tracker

Build habits, don't break the chain!

Acquiring life-changing habits is now much easier. Chain lets you track daily routines and achieve your goals playfully with Gemini AI Coach, calorie scanner, reading & study session timers, and custom challenges.

Google Play Get it on Google Play
App Store Coming Soon
Explore App Themes:
🤖 AI Coach & Food Analysis
🏆 Leagues & Funny Achievements
☁️ Secure Google Cloud Backup
Chain App Screenshot
Features

Make Your Routine Fun and Sustainable

Chain is equipped with minimal and effective tools to help you focus on your daily targets easily.

🤖

Gemini-Powered AI Habit Coach

Write your dreams and let the AI design a custom 30-day plan. Chat with your coach for motivation, goals updates, and check off habits directly inside the chat window.

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AI Food Photo Analyzer

Snap a photo of your meals or upload from your gallery! The AI identifies foods, estimates portion weights, and calculates calories and macros (protein, carbs, fat) automatically.

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Stopwatches & Structured Flows

Dedicated reading stopwatch (complete with fun milestone celebrations) and study session trackers with customized break flows (Math, Physics, etc.) to keep you locked in.

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200+ Workouts & 60+ Diet Presets

Choose from our ready-to-use layouts: water tracking, sleep routines with waking alarm integration, workout programs with 200+ exercises, or 60+ diet presets to launch your chain instantly.

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XP, Leagues & Card-Flipping

Earn XP with every completed routine to scale from Bronze to Diamond League! Unlock visual achievements and flip cards in 3D to reveal funny descriptions and jokes.

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Hive Offline & Google Cloud Sync

No internet? No problem. Run completely offline via Hive local database. Sign in with Google to sync and safeguard your routines via Firebase Firestore across multiple devices.

Your Privacy & Security, Controlled

Chain stores data locally on your device (Hive) by default. Optionally, log in with your Google account to back up and sync your habits to our secure Firebase cloud database. Except for AI coaching (Gemini) and subscription management (RevenueCat), everything stays 100% on your device.

Read Privacy Policy →
Workflow

Step-by-Step Towards Success

Setting up Chain and forming positive habits is extremely straightforward.

1

Choose Your Routines

Pick from our templates (Diet, Reading, Study, Workouts) or build a completely custom habit target.

2

Consult Your Coach

Message your AI Habit Coach to modify goals, receive coaching and motivation, or complete your items directly.

3

Streak & Backup

Maintain your habits to build your streak, and sign in with Google to safeguard your data in the cloud.