# Do Re Mi Puzzle vs Orbit Grid

The clearest difference is in-app purchases: Orbit Grid at none against Do Re Mi Puzzle's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Do Re Mi Puzzle sells 3 one-off in-app purchases. Orbit Grid asks for nothing beyond the download.

Do Re Mi Puzzle ships an update weekly, Orbit Grid every 5 days. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Do Re Mi Puzzle | Orbit Grid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Size | 63 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jegeon Jung](https://appshunter.io/developer/1825889536) | [Tom Aharonovich](https://appshunter.io/developer/6807131143) |

## What reviewers say

### Do Re Mi Puzzle

[App page](https://appshunter.io/ios/app/do-re-mi-puzzle-sheet-music/id6801124630)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound box | $3.99 | one-time |
| Play without ads | $4.99 | one-time |
| All access pass | $8.99 | one-time |


### Orbit Grid

[App page](https://appshunter.io/ios/app/orbit-grid-protocol-zero/id6807131141)

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

**In-app purchases:** none


## Frequently asked questions

### Is Do Re Mi Puzzle free?

Do Re Mi Puzzle is free to download, with in-app purchases available.

### Is Orbit Grid free?

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

### Do Do Re Mi Puzzle or Orbit Grid have ads?

Both Do Re Mi Puzzle and Orbit Grid show ads.

### Which is updated more often, Do Re Mi Puzzle or Orbit Grid?

Do Re Mi Puzzle ships an update weekly, and Orbit Grid every 5 days. Most recently, Do Re Mi Puzzle was updated on October 15, 2026 and Orbit Grid on October 17, 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.*