TK-App
TK-App Summary
TK-App is a mobile Android app in Health And Fitness by Techniker Krankenkasse (TK). Released in Mar 2017 (9 years ago). It has about 4.6M+ installs and 132.4K ratings with a 4.55★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 169.8K monthly active users . Store metadata: updated Feb 24, 2026, version 393.
Recent activity: 11.1K installs this week (53.8K over 4 weeks) showing steady growth , and 60 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Mar 6, 2026. 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 Feb 24, 2026 (version 393).
4.55★
Ratings: 132.4K
Screenshots
App Description
The TK-App puts a digital all-purpose tool into the hands of their customers.
“Die Techniker” provides its customers with a digital all-purpose tool. For example, you can use this app to upload your receipts for reimbursement, view existing sick notes, or do something for your fitness while collecting bonus points.
FEATURES
- Protection of sensitive data through secure login (e.g. no rooted devices allowed)
- Transmission of sick notes and documents
- Send messages to the Techniker
- Receive letters from the Techniker
- Use the TK bonus program completely digitally
- TK-Fit with access to Google Fit, Samsung Health or Fitbit
- Overview of prescribed drugs of the last six years
- Apply for reimbursement of costs for medicines, vaccines, osteopathy and health courses
SECURITY
As a statutory health insurance company, we are committed to the best possible protection of your health data. That's why we check your identity when setting up TK-App on your smartphone. You can either identify yourself online using your ID card and PIN via the Nect Wallet app or by entering an activation code. We‘ll send you the activation code via post.
You can find everything else about our security concept at https://www.tk.de/techniker/2023678
Please note: The use od TK-App with rooted devices is not possible for security reasons.
FURTHER DEVELOPMENT
We are continuously adding new features to the TK-App - your ideas and hints help us most. Write us directly and anonymously via the feedback function in the TK-App.
BONUS & TK-Fit
Membership in a football club, regular check-ups at the dentist, the non-smoking course after New Year's Day - all these things earn points for the TK bonus program. And thanks to the connection to Google Fit, Samsung Health or Fitbit, you'll receive points for many other activities.
TK-SAFE
With TK-Safe you have all relevant health data at a glance: Your visits to the doctor, diagnoses, medication, vaccinations, preventative medical checkups and much more.
Please note that TK-Fit and TK-Safe are not available in English yet.
REQUIREMENTS
For the TK-App:
- TK customer
- Android 10 or higher
- Unmodified Android operating system, ie. no Root (For more information, see https://www.tk.de/techniker/2023674)
For TK-Fit:
- Step counting using Google Fit, Samsung Health or Fitbit and your smartphone or a compatible fitness tracker.
ACCESSIBILITY
We aim at

Sentry.io
Google
Square
Kotlin
Firebase
Cash App