# Sight Reading Practic vs IDOUDO

The clearest difference is in-app purchases: Sight Reading Practic at none against IDOUDO's 4. IDOUDO's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. IDOUDO sells 4 one-off in-app purchases. Sight Reading Practic asks for nothing beyond the download.

## The numbers

| Metric | Sight Reading Practic | IDOUDO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Size | 4 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [MIZOU, CO., LTD.](https://appshunter.io/developer/1542553141) | [Kosuke Mawatari](https://appshunter.io/developer/1489564137) |

## What reviewers say

### Sight Reading Practic

[App page](https://appshunter.io/ios/app/sight-reading-practic-mizou/id6760451985)

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

**In-app purchases:** none


### 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 Sight Reading Practic free?

Sight Reading Practic is free to download, with no in-app purchases.

### Is IDOUDO free?

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

### Do Sight Reading Practic or IDOUDO have ads?

Sight Reading Practic shows ads; IDOUDO does not.

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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.*