MobSI Upgrade Secure internal download
Download ATSchool APK
Build details
Version1.3.5
UpdatedAug 24, 2026
Min SDKAndroid 8+
Size72 MB
Ready when you are
Deploy this build directly into your Mobsi campaigns.
Supported formats: APK, IPA, AAB.
Download APKWhat's new
- Improved onboarding flow and first-run performance.
- Security patches and storefront integrity checks.
- Updated UI with focused navigation rails.