# A4i vs SOS ECOUTE

A4i and SOS ECOUTE are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

A4i ships an update every 2 months, SOS ECOUTE every 6 weeks. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | A4i | SOS ECOUTE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 23 MB | 387 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MEMOTEXT Corporation](https://appshunter.io/developer/1758383743) | [ANDREA HARDES](https://appshunter.io/developer/1756324665) |

## What reviewers say

### A4i

[App page](https://appshunter.io/ios/app/a4i/id1484141819)

**In-app purchases:** none


### SOS ECOUTE

[App page](https://appshunter.io/ios/app/sos-ecoute/id6526495714)

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

**In-app purchases:** none


## Frequently asked questions

### Is A4i free?

A4i is free to download, with no in-app purchases.

### Is SOS ECOUTE free?

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

### Do A4i or SOS ECOUTE have ads?

Neither A4i nor SOS ECOUTE shows ads.

### Which is updated more often, A4i or SOS ECOUTE?

A4i ships an update every 2 months, and SOS ECOUTE every 6 weeks. Most recently, A4i was updated on October 14, 2026 and SOS ECOUTE on October 11, 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.*