congstar
congstar Summary
congstar is a Android app in the Tools category, developed by congstar GmbH. First released 8 years ago(Mar 2017), the app has accumulated 4.4M+ total installs and 133.9K ratings with a 4.10★ (good) average rating.
Recent activity: 8K installs this week (58.1K over 4 weeks) showing below average growth , and 150 new ratings this week (1.5K over 4 weeks) with stable momentum. View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Dec 2, 2025. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Dec 24, 2025.
Store info: Last updated on Google Play on Dec 8, 2025 (version 505010003).
congstar was last scanned for SDKs 2025-12-02. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Airbnb Engineering
Kotlin
Bumptech
Square
Firebase
Medallia Sense360
Airship
Google
Tealium
Keepsafe4.1★
Ratings: 133.9K
Screenshots
App Description
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