# Phast vs SittingPostureCHECKER

The clearest difference is in-app purchases: SittingPostureCHECKER at none against Phast's 13. Phast's advantage is update cadence (every 2 months vs every 6 months) and iOS requirement (12.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Phast sells 13 in-app purchases, starting at $0.99 per month. SittingPostureCHECKER asks for nothing beyond the download.

Phast ships an update every 2 months, SittingPostureCHECKER every 6 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Phast | SittingPostureCHECKER |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 2 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Connectiva Tecnologia](https://appshunter.io/developer/1229923709) | [Medic Engineering K.K.](https://appshunter.io/developer/917118875) |

## What reviewers say

### Phast

[App page](https://appshunter.io/ios/app/phast/id1229923710)

This platform guides physiotherapists through assessments to identify injury risks in athletes and active individuals. It aids in injury prevention, post-rehabilitation tracking, and helps athletes return to play safely and improve performance.

**Highlights:** Injury risk identification, Athlete performance improvement, Guided assessments, Clinical reasoning organization, Post-rehabilitation tracking, Return to play guidance

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| fisioemortopediafree | $0.99 | per month |
| fisioemortopedia50off | $1.99 | per month |
| fisioemortopedia50off | $2.99 | per month |
| Basic | $3.99 | per month |
| marcelaphastvip | $3.99 | per month |
| viniciusphastvip | $3.99 | per month |
| marinaphastvip | $3.99 | per month |
| Vip | $4.99 | per month |
| Plano VIP | $4.99 | per month |
| unitedvip | $4.99 | per 3 months |
| Phast | $4.99 | per year |
| timepeople | $9.99 | per month |
| Phast exos | Free | one-time |


### SittingPostureCHECKER

[App page](https://appshunter.io/ios/app/sittingposturechecker-s/id1281866599)

**In-app purchases:** none


## Frequently asked questions

### Is Phast free?

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

### Is SittingPostureCHECKER free?

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

### Do Phast or SittingPostureCHECKER have ads?

Neither Phast nor SittingPostureCHECKER shows ads.

### Which is updated more often, Phast or SittingPostureCHECKER?

Phast ships an update every 2 months, and SittingPostureCHECKER every 6 months. Most recently, Phast was updated on October 10, 2026 and SittingPostureCHECKER on October 9, 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.*