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Your personal congstar customer area for on the go.
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
What's New in the Latest Version 5.4.0
Last updated on Jul 17, 2025
In diesem Update haben wir an mehreren Stellen die Barrierefreiheit unserer App verbessert, um die Nutzung für alle noch einfacher und inklusiver zu gestalten.
Viel Spaß mit dem Update
Dein congstar App Team
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