# ThunderGym vs Fit Simple App

The clearest difference is in-app purchases: ThunderGym at none against Fit Simple App's 1. ThunderGym also leads on iOS requirement (12.0.0 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Fit Simple App sells 1 one-off in-app purchase. ThunderGym asks for nothing beyond the download.

## The numbers

| Metric | ThunderGym | Fit Simple App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Size | 42 MB | 3 MB |
| Requires iOS | **12.0.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ThunderGym](https://appshunter.io/developer/1643657861) | [Jorge Vidales Bernardos](https://appshunter.io/developer/6800720213) |

## What reviewers say

### ThunderGym

[App page](https://appshunter.io/ios/app/thundergym/id1643657859)

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

**In-app purchases:** none


### Fit Simple App

[App page](https://appshunter.io/ios/app/fit-simple-app/id6800720211)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apoyar al desarrollador | $0.99 | one-time |


## Frequently asked questions

### Is ThunderGym free?

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

### Is Fit Simple App free?

Fit Simple App is free to download, with in-app purchases available.

### Do ThunderGym or Fit Simple App have ads?

Neither ThunderGym nor Fit Simple App shows ads.

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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.*