# Book @ TRAIN vs Thrive Gym

The clearest difference is update cadence: Thrive Gym at every 4 days against Book @ TRAIN's every 8 months. Book @ TRAIN's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price, 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.

Book @ TRAIN ships an update every 8 months, Thrive Gym every 4 days. Both last shipped on October 15, 2026.

## The numbers

| Metric | Book @ TRAIN | Thrive Gym |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Size | 56 MB | 120 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TeamUp Sports](https://appshunter.io/developer/1449504626) | [THRIVEGYM247 LTD](https://appshunter.io/developer/6786848329) |

## What reviewers say

### Book @ TRAIN

[App page](https://appshunter.io/ios/app/book-train/id6751525002)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thrive Gym

[App page](https://appshunter.io/ios/app/thrive-gym/id6786848327)

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

**In-app purchases:** none


## Frequently asked questions

### Is Book @ TRAIN free?

Book @ TRAIN is free to download, with no in-app purchases.

### Is Thrive Gym free?

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

### Do Book @ TRAIN or Thrive Gym have ads?

Neither Book @ TRAIN nor Thrive Gym shows ads.

### Which is updated more often, Book @ TRAIN or Thrive Gym?

Book @ TRAIN ships an update every 8 months, and Thrive Gym every 4 days. Most recently, Book @ TRAIN was updated on October 15, 2026 and Thrive Gym on October 15, 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.*