ja mobil for iPhone

Quick overview of the ja! mobil app

The ja! mobil application, created by congstar Services GmbH, gives you fast and straightforward access to your personal ja! mobil account. Signing in is simple and supports biometric login (fingerprint), so managing your service is quicker than ever.

Main features you can use

• Manage and update your legitimation PIN directly from the app
• Edit and maintain your personal customer details and contact information
• View your current prepaid credit at a glance
• Monitor how much mobile data you have used and what remains
• Recharge prepaid credit using cash codes or enable automatic top-ups
• Switch plans or alter your tariff with a few taps
• Add, change, or cancel optional services and add-ons
• Inspect connection details such as SIM and network information

Signing in and account security

Logging into the app is designed to be hassle-free. You can use your regular ja! mobil credentials or enable fingerprint authentication for quicker, secure access.

Development status and feedback

The app is still early in its development cycle. The team at congstar Services GmbH appreciates candid user feedback — you can submit suggestions or report issues directly from within the app to help improve future releases.

A short note from the team

We hope the app makes managing your ja! mobil account easier. Thank you for trying it — enjoy!
— The App Team