Exam app: question bank, study plan and mistake analytics. Focused on measurable progress.
Without mistake analytics studying becomes chaotic and inefficient.
Study plan and reviews. Users see weak spots clearly.
Node.js
PostgreSQL
React Native
Expo
DigitalOcean
KPIs: completion, retention, time-to-pass.
Tests and plan UX.
Test engine and analytics.
Iterations and A/B testing.
Plan and progress reduce churn.
Reviews improve learning efficiency.
Premium plan and analytics.
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