Fast, Offline-Ready Learning in Your Pocket
Built with React Native + Expo. Small APK size (< 25MB), instant cold start, zero battery drain, and transactional offline answer queueing.
Direct APK Download (v2.0.0) • Universal Android Build • 100 MB
Offline Mock Runner
Answer questions during network fluctuations. SQLite safely persists responses with monotonic sequence IDs and syncs automatically when connection restores.
Passwordless Brevo OTP
Log in quickly using a 6-digit email OTP. No passwords to remember or leak. Session refresh tokens are safely stored in Android SecureKeystore.
Ultra-Low Power Mode
No heavy background network polls or bulky third-party tracking SDKs. Clean native rendering using Lucide icons and system-optimized typography.
SidPrep 2.0 is currently distributed via verified direct APK install for beta learners. Google Play Store listing will launch following official closed testing completion. We never charge subscription fees for core educational catalogues.