# Fitness First Germany vs TK

The clearest difference is rating: Fitness First Germany at 4.7 against TK's 1.4. Fitness First Germany also leads on review sentiment (80% vs 64%) and device support (3 vs 1). On price, ratings volume, 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.

Fitness First Germany holds the better App Store score, 4.7 against 1.4. Both are backed by a comparable volume of ratings — 39 and 15 respectively. Written reviews point the same way: 80% of Fitness First Germany's written reviews are positive against 64% of TK's.

Fitness First Germany ships an update every 2 months, TK every 5 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | Fitness First Germany | TK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (39 ratings)](https://appshunter.io/ios/app/fitness-first-germany/id1499842546/reviews)** | [1.4 (15 ratings)](https://appshunter.io/ios/app/tk-ident/id6468877043/reviews) |
| Number of ratings | **39** | 15 |
| Positive reviews | **80.3% of reviews** | 64.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 182 MB | 192 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [LifeFit Group Services GmbH](https://appshunter.io/developer/1499842545) | [Techniker Krankenkasse (TK)](https://appshunter.io/developer/355493231) |

## What reviewers say

### Fitness First Germany

[App page](https://appshunter.io/ios/app/fitness-first-germany/id1499842546)

Manage your Fitness First membership, create personalized workout plans, and track your progress. Access club information, book classes, and connect with other members. Stay motivated and achieve your fitness goals with this comprehensive companion app.

**Highlights:** Manage personal and membership data, Create custom training plans, Book training appointments and group classes, Track bio-age and training progress, View club information and capacity, Participate in community challenges, Access home workouts

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


### TK

[App page](https://appshunter.io/ios/app/tk-ident/id6468877043)

This app allows secure access to digital health services using your health insurance ID. It enables login to various health applications, manages registered devices, and handles consent settings for your health data.

**Highlights:** Create and use personal health ID, Login to digital health applications, Manage registered devices, Manage consents and authorizations, Secure identification via ID card or health card

**In-app purchases:** none


## Frequently asked questions

### Is Fitness First Germany free?

Fitness First Germany is free to download, with no in-app purchases.

### Is TK free?

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

### Which has better reviews, Fitness First Germany or TK?

Fitness First Germany is rated higher. Fitness First Germany averages 4.7 out of 5 from 39 ratings, while TK averages 1.4 from 15 ratings.

### Do Fitness First Germany or TK have ads?

Neither Fitness First Germany nor TK shows ads.

### Which is updated more often, Fitness First Germany or TK?

Fitness First Germany ships an update every 2 months, and TK every 5 weeks. Most recently, Fitness First Germany was updated on November 7, 2026 and TK on November 7, 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.*