# SitTall vs PrimeMotion Workplace

The clearest difference is update cadence: PrimeMotion Workplace at every 2 weeks against SitTall's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SitTall ships an update every 3 weeks, PrimeMotion Workplace every 2 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SitTall | PrimeMotion Workplace |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 8 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kisoo Kim](https://appshunter.io/developer/1871256161) | [MICHAEL SHANE EVANS](https://appshunter.io/developer/6782357686) |

## 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


### PrimeMotion Workplace

[App page](https://appshunter.io/ios/app/primemotion-workplace/id6796857036)

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

**In-app purchases:** none


## Frequently asked questions

### Is SitTall free?

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

### Is PrimeMotion Workplace free?

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

### Do SitTall or PrimeMotion Workplace have ads?

Neither SitTall nor PrimeMotion Workplace shows ads.

### Which is updated more often, SitTall or PrimeMotion Workplace?

SitTall ships an update every 3 weeks, and PrimeMotion Workplace every 2 weeks. Most recently, SitTall was updated on October 8, 2026 and PrimeMotion Workplace on October 4, 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.*