TK-App

The TK-App puts a digital all-purpose tool into the hands of their customers.

Techniker Krankenkasse (TK) · de.tk.tkapp

4.0 out of 5 (1 rating) 5M+ downloads v3.12.0 65.2 MB Android 6.0+ PEGI 3 · Everyone

Download APK 65.2 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v3.12.0 (176)
Updated: Aug 9, 2026 (2 months ago)
APK size: 65.2 MB
Requires: Android 6.0+ (API 23)
CPU support: ARM 32-bit, ARM 64-bit
Category: Health & Fitness (app)
Listed since: May 2, 2021 (at least)
Permissions: 15 (5 sensitive)
Website: tk.de/techniker/2027886
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

TK-App is an app by Techniker Krankenkasse (TK) in the Health & Fitness category, listed since at least May 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 15 permissions, 5 of them sensitive, including camera, record audio and read shared storage.

What's new in v3.12.0

Your doctor can now send us your electronic certificate of incapacity for work (eAU). Bug fixes: - Minor bugs have been fixed.

Description

From the listing uploaded by “appupdater”.

With this app, you can, for example, submit your sick notes, do something for your fitness while collecting bonus points, or upload your receipts for reimbursement. 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. Therefore you need an unlock code ("Freischaltcode") for this app, which we will send you by mail. Furthermore the use TK-App with rooted devices is generally not possible. You can find everything else about our security concept at https://www.tk.de/techniker/2023678. PLEASE NOTE: THE USE OF 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 5.0 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.

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 9, 2026.
Certificate issued to “Techniker Krankenkasse” This is the certificate of the Google Play version.

Store checks and file details

Developer signature verified Aug 9, 2026
Validated against Google Play Aug 9, 2026
Signed byOU=Meine TK, O=Techniker Krankenkasse
Signing certificate (SHA-1)D2:83:30:3E:B5:85:2C:C0:D0:FC:E9:6F:C5:E9:82:05:90:1F:90:CF
File MD5a7ee37cc423f4e6312a56570548b5ae8
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (15)

TK-App requests 15 permissions, 5 of them sensitive.

Activity recognition Sensitive android.permission.ACTIVITY_RECOGNITION
Camera Sensitive android.permission.CAMERA
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Nfc android.permission.NFC
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Use biometric hardware android.permission.USE_BIOMETRIC
Use fingerprint hardware android.permission.USE_FINGERPRINT
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Camera android.hardware.camera
Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone
Portrait screen android.hardware.screen.portrait

TK-App APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the TK-App APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is a7ee37cc423f4e6312a56570548b5ae8.