# PE vs ESAIC

The clearest difference is update cadence: ESAIC at weekly against PE's every 4 months. PE's advantage is iOS requirement (13.0 vs 15.6). 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.

PE ships an update every 4 months, ESAIC weekly. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | PE | ESAIC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 35 MB | 110 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Xaurum](https://appshunter.io/developer/1201802213) | [European Society of Anaesthesiology](https://appshunter.io/developer/1380736857) |

## What reviewers say

### PE

[App page](https://appshunter.io/ios/app/pe-online/id1201802214)

**Features:** macOS Compatibility

**In-app purchases:** none


### ESAIC

[App page](https://appshunter.io/ios/app/esaic/id6739699757)

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

**In-app purchases:** none


## Frequently asked questions

### Is PE free?

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

### Is ESAIC free?

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

### Do PE or ESAIC have ads?

Neither PE nor ESAIC shows ads.

### Which is updated more often, PE or ESAIC?

PE ships an update every 4 months, and ESAIC weekly. Most recently, PE was updated on October 26, 2026 and ESAIC on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*