Android APK · Nexus Verified

Download CSBK MyApp.

Choose the build that suits your device. Both versions are Nexus-verified and connect directly to csbk.in.

— Total Installs · Live

Recommended

⚡

Optimized APK

csbk.apk

Built with the latest Android optimisations — smaller size, faster startup, and best performance on devices running Android 8.0+. This is the standard release.

Android 8.0+ Best performance Smaller APK Fast startup Nexus verified

DownloadOptimized APK

🔧

Compatibility APK

Combatibility.apk

A broader build targeting a wider range of devices and Android versions. Use this if the Optimized APK fails to install or runs into issues on your device.

Wider device support Older Android versions Fallback build Nexus verified

DownloadCompatibility APK

— Version Comparison —

Feature	Optimized csbk.apk	Compatibility Combatibility.apk
Android Requirement	8.0+	5.0+
Performance	Best	Good
APK Size	Smaller	Standard
Older / Budget Devices	—	✓
Full Nexus Features	✓	✓
GPS Ride Attendance	✓	✓
FCM Push Notifications	✓	✓
Nexus Verified	✓	✓
Recommended For	Most users	Install issues

🔧 How to sideload the APK

Android blocks non-Play Store apps by default. Follow these steps — takes under 2 minutes.

1

Allow installation from your browser

Enable "Install Unknown Apps" for your browser — a one-time step.

Install Unknown Applications
Toggle ON for your browser app

Settings›Apps›Special App Access›Install Unknown Apps›Browser → Enable
2

Download your chosen APK above

Tap Optimized APK for most devices, or Compatibility APK if you hit install errors. Served directly from the Nexus-secured server.
3

Install, log in, connect to Nexus

Open the .apk from your downloads, tap Install, log in with your CSBK credentials — your device connects to Nexus instantly.

🛡️ No spyware

📵 No ads or trackers

🔐 Nexus token auth

🔒 HTTPS only

👤 Members only

⚡ Nexus-secured server