Development build — This page distributes pre-release APKs for internal testing. Not for production use.
Development Build

CSI MyMobile · Dev

Pre-release builds for internal testing — Android sideload & iOS App Store.

Environment: Development  ·  Android: Direct APK  ·  iOS: App Store
Pre-release features Android APK sideload Dev environment backend Verbose logging enabled

Get the App

Android uses a direct APK from Azure Blob Storage and iOS uses the App Store. Tap a download button or scan a QR code.

Android sideloading notice: The APK is served from csi365prodbuilds Azure Blob Storage. You must enable Install unknown apps in your Android settings before installing. This build connects to the development backend — do not use it with real client data.
Android
Direct APK — Dev build
Dev Build
Platform Android 8.0+
Distribution Azure Blob Storage
Backend Dev environment
Download APK

Requires "Install unknown apps" to be enabled in Android settings.

QR code for Android APK Scan to download APK
iPhone & iPad
Apple App Store
App Store
Platform iOS 15.0+
Store App Store (FI)
Backend Points to production
Download on the App Store
QR code for App Store Scan to open App Store

How to install

Android requires manual sideloading. iOS installs normally from the App Store.

Android APK Sideload
1
Enable unknown app installs

Go to Settings → Apps → Special app access → Install unknown apps, then select your browser and enable Allow from this source.

2
Download the APK

Tap the Download APK button above, or scan the Android QR code with your camera. The file downloads as app-dev-release.apk.

3
Open the downloaded file

Tap the notification for the downloaded file, or open it from your Downloads folder. Tap Install when prompted.

4
Sign in with dev credentials

Open the app and sign in with your CSI Helsinki development account. The app connects to the dev backend automatically.

iOS App Store
1
Open the App Store

Tap the Download on the App Store button above or scan the iOS QR code to open the listing directly.

2
Install the app

Tap Get on the App Store listing. The app is free. Authenticate with Face ID, Touch ID, or your Apple ID password when prompted.

3
Sign in

Open CSI MyMobile and sign in with your CSI Helsinki credentials. Note: the iOS App Store build points to the production backend — use test accounts only.