01 · Problem
What wasn't working
Learners fall off traditional LMS apps within two weeks — the loop is too heavy and the feedback too slow.
02 · Solution
How we approached it
A lightweight mobile companion with micro-sessions, adaptive difficulty, and instant skill feedback in under a minute.
03 · System Design
Architecture &
key features.
Architecture
- React Native with Expo
- Typed tRPC backend
- Offline-first sync layer
- Telemetry + cohort analytics
Features
- Micro-session loops
- Adaptive difficulty
- Instant feedback
- Offline practice
- Cohort leaderboards
04 · Results
Numbers measured in production, not on a pitch deck.
72%
Week-2 retention
4.8
App store rating
2.1k
Daily active learners
Let's build together
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