Tk App is a multi-functional application tool. It can securely protect sensitive data, detect rooted devices, send real-time messages to technicians, receive emails from technicians, and participate in a reward and incentive program. It can also view prescription details applicable to the medical field, maximizing user health protection. The app is continuously under development, unlocking even more comprehensive features.

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 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

Highlights
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.

What's New in Version 9.1.1
Dec 23, 2025
The TK App puts a digital all-purpose tool into the hands of their customers. Download and install old versions of TK App that suits your device model and enjoy your favorite features!
TK Safe:
- Faster and easier document upload. The billing data as a PDF can no longer be viewed by service providers. The access setting for this document has been removed.
Bugfixes:
- Minor bugs have been fixed.
TK App old version 9.1.1 was released on Dec 23, 2025 by Techniker Krankenkasse (TK). The app download size is 197.6 MB. We recommend you download the latest version of TK App for the new features and better performance.

User comments
Unlike most apps in Germany, this one is really good, eases the need to move and turns operations that required papers and moving to branches things of the past. Now most of those operations can easily be done online through this easy to follow app, which also has an English version! Really pleased with this service, thank you.
The program is very well designed, but the problem I have is that it is not possible to change my date of birth, which I entered incorrectly during registration, but it is possible to change my name and other details within the program.I sent a request by e-mail and also through the software itself, but unfortunately this has not been fixed yet. In my opinion, giving the possibility to change such things helps to improve the software a lot.
App is good. it's gains couple stars being German and offering English language. that is amazing. otherwise the navigation is okay. this is no reflection on the service behind the app which is a separate review. on service front, so far (touch wood) no issues

Summarize
TK App serves as a comprehensive digital platform, catering specifically to clients of "Die Techniker" health insurance. The app is designed to streamline healthcare management by offering users an array of functionalities right at their fingertips. Users can effortlessly submit reimbursement receipts, view sick notes, and engage in wellness activities while earning bonus points—a key highlight for those invested in both their health and potential savings.









