# PROA Germans Trias vs ATTAIN

The clearest difference is update cadence: ATTAIN at every 11 days against PROA Germans Trias's every 6 months. PROA Germans Trias's advantage is iOS requirement (13.0 vs 16.0). 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.

PROA Germans Trias ships an update every 6 months, ATTAIN every 11 days. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | PROA Germans Trias | ATTAIN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 11 days** |
| Size | 34 MB | 63 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [institut català de la salut](https://appshunter.io/developer/971255693) | [Little Journey Ltd](https://appshunter.io/developer/1421882681) |

## What reviewers say

### PROA Germans Trias

[App page](https://appshunter.io/ios/app/proa-germans-trias/id1634581387)

**Features:** macOS Compatibility

**In-app purchases:** none


### ATTAIN

[App page](https://appshunter.io/ios/app/attain-now/id6791592835)

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

**In-app purchases:** none


## Frequently asked questions

### Is PROA Germans Trias free?

PROA Germans Trias is free to download, with no in-app purchases.

### Is ATTAIN free?

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

### Do PROA Germans Trias or ATTAIN have ads?

Neither PROA Germans Trias nor ATTAIN shows ads.

### Which is updated more often, PROA Germans Trias or ATTAIN?

PROA Germans Trias ships an update every 6 months, and ATTAIN every 11 days. Most recently, PROA Germans Trias was updated on November 7, 2026 and ATTAIN on November 12, 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.*