# Shrimposture vs Uncurled

The clearest difference is in-app purchases: Shrimposture at none against Uncurled's 4. Uncurled's advantage is update cadence (every 4 days vs weekly) and iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Uncurled sells 4 in-app purchases, starting at $6.99 per 7 days. Shrimposture asks for nothing beyond the download.

Shrimposture ships an update weekly, Uncurled every 4 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Shrimposture | Uncurled |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 21 MB | 64 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Jack Moffett](https://appshunter.io/developer/1772153607) | [Julius Cherubini](https://appshunter.io/developer/1896329120) |

## What reviewers say

### Shrimposture

[App page](https://appshunter.io/ios/app/shrimposture-fix-your-posture/id6795460510)

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

**In-app purchases:** none


### 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 Shrimposture free?

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

### Is Uncurled free?

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

### Do Shrimposture or Uncurled have ads?

Neither Shrimposture nor Uncurled shows ads.

### Which is updated more often, Shrimposture or Uncurled?

Shrimposture ships an update weekly, and Uncurled every 4 days. Most recently, Shrimposture was updated on October 31, 2026 and Uncurled on November 6, 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.*