# Aria vs IDOUDO

The clearest difference is update cadence: Aria at every 2 days against IDOUDO's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Aria sells 1 one-off in-app purchase and IDOUDO sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Aria ships an update every 2 days, IDOUDO every 5 weeks. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Aria | IDOUDO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (24 ratings)](https://appshunter.io/ios/app/aria-music-notation-editor/id6779437781/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 350 MB | 3 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jack Gruber](https://appshunter.io/developer/1262516427) | [Kosuke Mawatari](https://appshunter.io/developer/1489564137) |

## What reviewers say

### Aria

[App page](https://appshunter.io/ios/app/aria-music-notation-editor/id6779437781)

Create, edit, and play back musical scores on your iPhone or iPad. This app supports MuseScore and MusicXML files, offering intuitive touch controls for note entry and playback. Organize your library, manage parts, and export your compositions in various formats.

**Highlights:** Create and edit music scores, Play back compositions, Support for MuseScore and MusicXML, Intuitive touch controls, Manage individual parts, Export in multiple formats

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aria Full Access | $9.99 | one-time |


### IDOUDO

[App page](https://appshunter.io/ios/app/idoudo-movable-do-solfege/id6804583806)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Keys: 1 Note | $1.99 | one-time |
| Unlock All Keys: 2 Notes | $1.99 | one-time |
| Unlock All Keys: 1 Triad | $1.99 | one-time |
| Unlock Keys: 1 Seventh Chord | $1.99 | one-time |


## Frequently asked questions

### Is Aria free?

Aria is free to download, with in-app purchases available.

### Is IDOUDO free?

IDOUDO is free to download, with in-app purchases available.

### Do Aria or IDOUDO have ads?

Neither Aria nor IDOUDO shows ads.

### Which is updated more often, Aria or IDOUDO?

Aria ships an update every 2 days, and IDOUDO every 5 weeks. Most recently, Aria was updated on October 20, 2026 and IDOUDO on October 7, 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.*