# Posture Boost vs Uncurled

The clearest difference is iOS requirement: Uncurled at 16.4 against Posture Boost's 18.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Posture Boost sells 2 in-app purchases, starting at $3.99 per 7 days and Uncurled sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Posture Boost | Uncurled |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 13 MB | 57 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Viktor Dubovicky](https://appshunter.io/developer/1894625127) | [Julius Cherubini](https://appshunter.io/developer/1896329120) |

## What reviewers say

### Posture Boost

[App page](https://appshunter.io/ios/app/posture-boost-align-yourself/id6762546368)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Posture Boost Pro Weekly | $3.99 | per 7 days |
| Posture Boost Pro Yearly | $19.99 | per year |


### Uncurled

[App page](https://appshunter.io/ios/app/uncurled-posture-training/id6809813741)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Uncurled Pro Weekly | $6.99 | per 7 days |
| Uncurled Pro Weekly | $7.99 | per 7 days |
| Uncurled Pro Yearly | $29.99 | per year |
| Uncurled Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Posture Boost free?

Posture Boost is free to download, with in-app purchases available.

### Is Uncurled free?

Uncurled is free to download, with in-app purchases available.

### Do Posture Boost or Uncurled have ads?

Neither Posture Boost nor Uncurled 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.*