# iPosOS 4 vs iSAP.CLINIC

The clearest difference is device support: iSAP.CLINIC at 3 against iPosOS 4's 1. iSAP.CLINIC also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

iPosOS 4 ships an update every 6 months, iSAP.CLINIC every 9 months. The most recent releases landed on September 28, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | iPosOS 4 | iSAP.CLINIC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 9 months |
| Size | 119 MB | 93 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [NAPS](https://appshunter.io/developer/1386163333) | [iSAP Solutions LTD](https://appshunter.io/developer/1656977272) |

## What reviewers say

### iPosOS 4

[App page](https://appshunter.io/ios/app/iposos-4/id1672278307)

**Features:** macOS Compatibility

**In-app purchases:** none


### iSAP.CLINIC

[App page](https://appshunter.io/ios/app/isapclinic/id6448166262)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iPosOS 4 free?

iPosOS 4 is free to download, with no in-app purchases.

### Is iSAP.CLINIC free?

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

### Do iPosOS 4 or iSAP.CLINIC have ads?

Neither iPosOS 4 nor iSAP.CLINIC shows ads.

### Which is updated more often, iPosOS 4 or iSAP.CLINIC?

iPosOS 4 ships an update every 6 months, and iSAP.CLINIC every 9 months. Most recently, iPosOS 4 was updated on September 28, 2026 and iSAP.CLINIC on September 12, 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.*