# SitTall vs Posture Boost

The clearest difference is in-app purchases: SitTall at none against Posture Boost's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Posture Boost sells 2 in-app purchases, starting at $3.99 per 7 days. SitTall asks for nothing beyond the download.

## The numbers

| Metric | SitTall | Posture Boost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sittall-posture-correction/id6758161806/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 2 MB | 13 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kisoo Kim](https://appshunter.io/developer/1871256161) | [Viktor Dubovicky](https://appshunter.io/developer/1894625127) |

## What reviewers say

### SitTall

[App page](https://appshunter.io/ios/app/sittall-posture-correction/id6758161806)

This app uses your device's camera and AI to detect and correct poor posture in real-time. It offers customizable alerts and privacy-focused operation, helping you build healthier habits and reduce discomfort from prolonged sitting.

**Highlights:** Real-time posture detection with AI, Customizable sensitivity and alert types, Adjustable alert delay and interval, Front camera support, 100% private, no data leaves device, Posture calibration

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SitTall free?

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

### Is Posture Boost free?

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

### Do SitTall or Posture Boost have ads?

Neither SitTall nor Posture Boost 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.*