Katch
About the project
— Mobile app for tracking Instagram follows with real-time alerts and anonymous story viewing.
Challenge
— See who someone recently followed.
— The core feed surfaces an account's latest activity at a glance — recent follows and unfollows, grouped and ready to explore.
— Real-time alerts and anonymous viewing.
Get notified the moment a tracked account follows someone new, and view their stories anonymously — all built on privacy-first, on-device data fetching.
Tools and technologies
— React Native, Typescript, Next.js, Express, Docker, RevenueCat, Stripe, Meta SDK
In numbers
— Katch shipped to Google Play and scaled to over a million tracked Instagram accounts.
1M+
Instagram accounts tracked
100K+
App downloads
12K+
App store ratings
Team
— React Native Engineer, Front-end Engineer, Back-end Engineer, QA Engineer.
Paris, France · 5.0 on Upwork
Review
— Great & serious developer who cares about what he ships
Other projects
— We have many more projects. Be sure to check them all out.
