# ESRA 2023 vs ESAIC

The clearest difference is iOS requirement: ESRA 2023 at 11.0 against ESAIC's 15.6. 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ESRA 2023 | ESAIC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 9 MB | 110 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [European Survey Research Association](https://appshunter.io/developer/1248838199) | [European Society of Anaesthesiology](https://appshunter.io/developer/1380736857) |

## What reviewers say

### ESRA 2023

[App page](https://appshunter.io/ios/app/esra-2023/id6449496676)

**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 ESRA 2023 free?

ESRA 2023 is free to download, with no in-app purchases.

### Is ESAIC free?

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

### Do ESRA 2023 or ESAIC have ads?

Neither ESRA 2023 nor ESAIC shows ads.

### Which is updated more often, ESRA 2023 or ESAIC?

ESRA 2023 ships an update weekly, and ESAIC weekly. Most recently, ESRA 2023 was updated on October 27, 2026 and ESAIC on October 22, 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.*