# Allo Saint vs echOpen ON

The clearest difference is update cadence: echOpen ON at every 4 months against Allo Saint's every 13 months. Allo Saint's advantage is iOS requirement (11.0 vs 17.0). 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.

Allo Saint ships an update every 13 months, echOpen ON every 4 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Allo Saint | echOpen ON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Size | 29 MB | 67 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Groupe Hospitalier Paris Saint-Joseph](https://appshunter.io/developer/1085526444) | [echopen factory](https://appshunter.io/developer/1530808488) |

## What reviewers say

### Allo Saint

[App page](https://appshunter.io/ios/app/allo-saint-jo/id1189052365)

**Features:** macOS Compatibility

**In-app purchases:** none


### echOpen ON

[App page](https://appshunter.io/ios/app/echopen-on/id1664469384)

**In-app purchases:** none


## Frequently asked questions

### Is Allo Saint free?

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

### Is echOpen ON free?

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

### Do Allo Saint or echOpen ON have ads?

Neither Allo Saint nor echOpen ON shows ads.

### Which is updated more often, Allo Saint or echOpen ON?

Allo Saint ships an update every 13 months, and echOpen ON every 4 months. Most recently, Allo Saint was updated on October 11, 2026 and echOpen ON on October 16, 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.*