# TK vs BEAT81

The clearest difference is rating: TK at 4.8 against BEAT81's 2.9. TK also leads on ratings volume (1.2K vs 7) and review sentiment (72% vs 56%). BEAT81's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

TK holds the better App Store score, 4.8 against 2.9. That said, the two scores are not equally well evidenced: TK has 1.2K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 72% of TK's written reviews are positive against 56% of BEAT81's.

TK ships an update fortnightly, BEAT81 every 3 weeks. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | TK | BEAT81 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/tk-app/id1163694230/reviews)** | [2.9 (7 ratings)](https://appshunter.io/ios/app/beat81-dynamic-group-workouts/id1491817215/reviews) |
| Number of ratings | **1.2K** | 7 |
| Positive reviews | **72.4% of reviews** | 56.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 546 MB | 107 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Techniker Krankenkasse (TK)](https://appshunter.io/developer/355493231) | [GRITSpot GmbH](https://appshunter.io/developer/1360306408) |

## 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


### BEAT81

[App page](https://appshunter.io/ios/app/beat81-dynamic-group-workouts/id1491817215)

Book tailored fitness classes, manage your schedule, and connect with coaches. Track your workout history and performance to monitor progress over time. Explore various training styles like BURN, BUILD, HYBRID, and RIDE.

**Highlights:** Book tailored workouts, Manage schedule and share sessions, Direct messaging with coaches, Track workout history and performance, Filter by training style, intensity, coach, location, time, Explore BURN, BUILD, HYBRID, RIDE concepts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TK free?

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

### Is BEAT81 free?

BEAT81 is free to download, with no in-app purchases.

### Which has better reviews, TK or BEAT81?

TK is rated higher. TK averages 4.8 out of 5 from 1.2K ratings, while BEAT81 averages 2.9 from 7 ratings.

### Do TK or BEAT81 have ads?

Neither TK nor BEAT81 shows ads.

### Which is updated more often, TK or BEAT81?

TK ships an update fortnightly, and BEAT81 every 3 weeks. Most recently, TK was updated on September 22, 2026 and BEAT81 on September 23, 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.*