congstar

With the free congstar app, you can quickly and easily control your usage and keep an eye on your data at all times.
The congstar app offers the following features:
For prepaid and contract plans
- View usage
- View data, SMS, and minutes (including a data usage widget)
- Manage plans and options
- Change plans, book, or cancel options
- Balance and bills
- Top up prepaid credit or view bills as PDFs
- Manage SIM and eSIM plans
- Block/swap SIM cards, activate eSIM, view PIN and PUK
- Change personal data
- Change address, payment details, or authentication PIN

We are continuously developing our congstar app and welcome your reviews and constructive feedback.

You can find our app's accessibility statement at: https://www.congstar.de/barrierefreiheit

We hope you enjoy our app!
Your App Team