# FlexGym App vs Hark Movement Studio

The clearest difference is iOS requirement: Hark Movement Studio at 13.0 against FlexGym App's 15.1. 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.

FlexGym App ships an update every 2 weeks, Hark Movement Studio every 3 weeks. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | FlexGym App | Hark Movement Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 63 MB | 43 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IONIAN](https://appshunter.io/developer/914039206) | [Enteera sh.p.k](https://appshunter.io/developer/1677585467) |

## What reviewers say

### FlexGym App

[App page](https://appshunter.io/ios/app/flexgym-app/id6746732181)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Hark Movement Studio

[App page](https://appshunter.io/ios/app/hark-movement-studio/id6754259647)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlexGym App free?

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

### Is Hark Movement Studio free?

Hark Movement Studio is free to download, with no in-app purchases.

### Do FlexGym App or Hark Movement Studio have ads?

Neither FlexGym App nor Hark Movement Studio shows ads.

### Which is updated more often, FlexGym App or Hark Movement Studio?

FlexGym App ships an update every 2 weeks, and Hark Movement Studio every 3 weeks. Most recently, FlexGym App was updated on October 2, 2026 and Hark Movement Studio on October 16, 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.*