# Flex Gym vs TidyBook

The clearest difference is update cadence: TidyBook at weekly against Flex Gym's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Flex Gym ships an update every 4 months, TidyBook weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Flex Gym | TidyBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 22 MB | 14 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gym Booking LP](https://appshunter.io/developer/1722435184) | [Leonidas Vasileiadis](https://appshunter.io/developer/1883485476) |

## What reviewers say

### Flex Gym

[App page](https://appshunter.io/ios/app/flex-gym/id6755895743)

**Features:** macOS Compatibility

**In-app purchases:** none


### TidyBook

[App page](https://appshunter.io/ios/app/tidybook/id6760254752)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flex Gym free?

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

### Is TidyBook free?

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

### Do Flex Gym or TidyBook have ads?

Neither Flex Gym nor TidyBook shows ads.

### Which is updated more often, Flex Gym or TidyBook?

Flex Gym ships an update every 4 months, and TidyBook weekly. Most recently, Flex Gym was updated on October 30, 2026 and TidyBook on October 31, 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.*