# TK vs FITSEVENELEVEN_

TK and FITSEVENELEVEN_ both sit at 4.8 stars, but that hides the real split: 72% of TK's written reviews are positive against 29% of FITSEVENELEVEN_'s. TK also leads on ratings volume (1.2K vs 24). FITSEVENELEVEN_'s advantage is device support (3 vs 1) and iOS requirement (15 vs 18.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for TK against 4.7 for FITSEVENELEVEN_. That said, the two scores are not equally well evidenced: TK has 1.2K ratings behind it against 24, so its average is the more settled of the two. Written reviews are what separate them: 72% of TK's written reviews are positive against 29% of FITSEVENELEVEN_'s.

TK ships an update every 9 days, FITSEVENELEVEN_ fortnightly. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | TK | FITSEVENELEVEN_ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/tk-app/id1163694230/reviews)** | [4.7 (24 ratings)](https://appshunter.io/ios/app/fitseveneleven/id1503517375/reviews) |
| Number of ratings | **1.2K** | 24 |
| Positive reviews | **71.8% of reviews** | 28.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 539 MB | 110 MB |
| Requires iOS | 18.0 | **15** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Techniker Krankenkasse (TK)](https://appshunter.io/developer/355493231) | [FITSEVENELEVEN GmbH](https://appshunter.io/developer/1503517374) |

## What reviewers say

### TK

[App page](https://appshunter.io/ios/app/tk-app/id1163694230)

Manage your health insurance digitally. Upload receipts, view sick notes, and track fitness for bonus points. Securely communicate with your provider and access your health data.

**Highlights:** Digital receipt uploads, View sick notes, Secure messaging with provider, Digital bonus program, Fitness tracking via Apple Health/Fitbit, Access to health data (TK-Safe)

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent app for English speakers
- 🚀 Excellent customer service
- 👍 Easy to use and intuitive
- 👍 Comprehensive features
- 👍 Smooth and fast

**What reviewers complain about**

- 🐛 Compatibility issues with older devices
- 🐛 Synchronization problems with Apple Health
- 🐛 Login and activation issues after updates
- 🐛 Buggy submission of sick notes
- 🐛 Incomplete English translations

**Reported bugs**

- Login issues after updates
- Incompatibility with older devices
- Synchronization problems with Apple Health
- Errors when submitting sick notes
- Incomplete English translations

**Requested features**

- English language support for all features
- Integration with more fitness tracking apps
- Larger QR code display in wallet for easier scanning
- Ability to view and manage bonus program details
- Improved data synchronization and real-time updates


### FITSEVENELEVEN_

[App page](https://appshunter.io/ios/app/fitseveneleven/id1503517375)

Book fitness classes, EMS, or personal training sessions conveniently through your smartphone. Track your workouts, view your training plan, and receive updates from your trainer. The app also includes a timer to guide your exercise and rest periods.

**Highlights:** Convenient appointment and class booking, Track training data and progress, View and receive training plan updates, Integrated workout timer with audio cues, Cancel bookings with a single tap

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is TK free?

TK is free to download, with no in-app purchases.

### Is FITSEVENELEVEN_ free?

FITSEVENELEVEN_ is free to download, with no in-app purchases.

### Which has better reviews, TK or FITSEVENELEVEN_?

TK is rated higher. TK averages 4.8 out of 5 from 1.2K ratings, while FITSEVENELEVEN_ averages 4.7 from 24 ratings.

### Do TK or FITSEVENELEVEN_ have ads?

Neither TK nor FITSEVENELEVEN_ shows ads.

### Which is updated more often, TK or FITSEVENELEVEN_?

TK ships an update every 9 days, and FITSEVENELEVEN_ fortnightly. Most recently, TK was updated on October 20, 2026 and FITSEVENELEVEN_ on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*