# 3Days Gym vs Posture Fix using Head Motion

The clearest difference is in-app purchases: 3Days Gym at none against Posture Fix using Head Motion's 2. 3Days Gym also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. Posture Fix using Head Motion sells 2 in-app purchases, starting at $2.99 per 7 days. 3Days Gym asks for nothing beyond the download.

## The numbers

| Metric | 3Days Gym | Posture Fix using Head Motion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 23 MB | 15 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Memvera](https://appshunter.io/developer/1706555128) | [Ahmet Giray Ucar](https://appshunter.io/developer/1583246836) |

## What reviewers say

### 3Days Gym

[App page](https://appshunter.io/ios/app/3days-gym/id6758269678)

**Features:** macOS Compatibility

**In-app purchases:** none


### Posture Fix using Head Motion

[App page](https://appshunter.io/ios/app/posture-fix-using-head-motion/id6781326644)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Podure Premium Weekly | $2.99 | per 7 days |
| Podure Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is 3Days Gym free?

3Days Gym is free to download, with no in-app purchases.

### Is Posture Fix using Head Motion free?

Posture Fix using Head Motion is free to download, with in-app purchases available.

### Do 3Days Gym or Posture Fix using Head Motion have ads?

Neither 3Days Gym nor Posture Fix using Head Motion 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.*