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
