# PhysioCheck vs 9toFast

The clearest difference is in-app purchases: PhysioCheck at none against 9toFast's 3. PhysioCheck also leads on ads (none vs shown) and update cadence (daily vs fortnightly). On price and device support there is nothing between them.

Both are free to download. 9toFast sells 3 in-app purchases, starting at $0.99 per month. PhysioCheck asks for nothing beyond the download.

PhysioCheck ships an update daily, 9toFast fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PhysioCheck | 9toFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Fortnightly |
| Size | 8 MB | 47 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hierhebikpijn.nl B.V.](https://appshunter.io/developer/1758074779) | [Esther Yekini](https://appshunter.io/developer/1847063956) |

## What reviewers say

### PhysioCheck

[App page](https://appshunter.io/ios/app/physiocheck/id6553992309)

**Features:** macOS Compatibility

**In-app purchases:** none


### 9toFast

[App page](https://appshunter.io/ios/app/9tofast/id6754204142)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |
| Premium Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is PhysioCheck free?

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

### Is 9toFast free?

9toFast is free to download, with in-app purchases available.

### Do PhysioCheck or 9toFast have ads?

9toFast shows ads; PhysioCheck does not.

### Which is updated more often, PhysioCheck or 9toFast?

PhysioCheck ships an update daily, and 9toFast fortnightly. Most recently, PhysioCheck was updated on October 25, 2026 and 9toFast on October 28, 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.*