# Contrastaria vs AAULO

The clearest difference is update cadence: Contrastaria at every 3 weeks against AAULO's every 3 months. AAULO'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.

Contrastaria ships an update every 3 weeks, AAULO every 3 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Contrastaria | AAULO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 161 MB | 63 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Imprensa Nacional-Casa da Moeda S.A.](https://appshunter.io/developer/1367188525) | [3cket SA](https://appshunter.io/developer/1596093341) |

## What reviewers say

### Contrastaria

[App page](https://appshunter.io/ios/app/contrastaria/id6466403027)

**In-app purchases:** none


### AAULO

[App page](https://appshunter.io/ios/app/aaulo/id6760555874)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contrastaria free?

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

### Is AAULO free?

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

### Do Contrastaria or AAULO have ads?

Neither Contrastaria nor AAULO shows ads.

### Which is updated more often, Contrastaria or AAULO?

Contrastaria ships an update every 3 weeks, and AAULO every 3 months. Most recently, Contrastaria was updated on October 10, 2026 and AAULO on October 25, 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.*