Mobile App Development
iGrapple: Martial Arts Companion
4.8★App Store Rating
50K+Cached Videos
100%Offline Capability
100+Drills Available
Project Overview
An offline-first educational library app for Brazilian Jiu-Jitsu (BJJ) practitioners to learn positions, drills, and submissions.
The Challenge
Delivering a seamless video viewing experience offline for users training in gym basements with zero cellular reception.
The Solution
Designed a custom local SQLite database with background download queues that cache instructionals directly on the device's storage. Implemented swipe-based drill flows.
The Outcome
Became a highly rated utility in the martial arts community with users caching over 50,000 video techniques offline.
4.8★: App Store Rating
50K+: Cached Videos
100%: Offline Capability
100+: Drills Available
Technologies Used
React Native
TypeScript
Redux
Expo
SQLite
Offline Video Player
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