# EU Carrier Interface Training vs ACSF Events

The clearest difference is update cadence: EU Carrier Interface Training at every 4 months against ACSF Events's every 12 months. EU Carrier Interface Training also leads on iOS requirement (13.0 vs 15.5). 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.

EU Carrier Interface Training ships an update every 4 months, ACSF Events every 12 months. The most recent releases landed on October 17, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | EU Carrier Interface Training | ACSF Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Size | 19 MB | 44 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [European Union Apps](https://appshunter.io/developer/947823674) | [gther](https://appshunter.io/developer/1668079599) |

## What reviewers say

### EU Carrier Interface Training

[App page](https://appshunter.io/ios/app/eu-carrier-interface-training/id6479641333)

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

**In-app purchases:** none


### ACSF Events

[App page](https://appshunter.io/ios/app/acsf-events/id6743227540)

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

**In-app purchases:** none


## Frequently asked questions

### Is EU Carrier Interface Training free?

EU Carrier Interface Training is free to download, with no in-app purchases.

### Is ACSF Events free?

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

### Do EU Carrier Interface Training or ACSF Events have ads?

Neither EU Carrier Interface Training nor ACSF Events shows ads.

### Which is updated more often, EU Carrier Interface Training or ACSF Events?

EU Carrier Interface Training ships an update every 4 months, and ACSF Events every 12 months. Most recently, EU Carrier Interface Training was updated on October 17, 2026 and ACSF Events on September 28, 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.*