# 303 Note vs Utsurohi

The clearest difference is in-app purchases: 303 Note at none against Utsurohi's 1. 303 Note also leads on ads (none vs shown). Utsurohi's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price there is nothing between them.

Both are free to download. Utsurohi sells 1 one-off in-app purchase. 303 Note asks for nothing beyond the download.

## The numbers

| Metric | 303 Note | Utsurohi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/303-note-acid-sequencer/id1501084395/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | — |
| Monetization | Free | — |
| Size | 23 MB | 43 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [tsubasa hattori](https://appshunter.io/developer/1501084394) | [Yuhei Miyata](https://appshunter.io/developer/1891350359) |

## What reviewers say

### 303 Note

[App page](https://appshunter.io/ios/app/303-note-acid-sequencer/id1501084395)

Quickly create, manage, and play back acid bassline synth sequences. Features a step sequencer, built-in synth knobs for tone shaping, and CSV export for backups. Ideal for musicians needing to save and recall patterns.

**Highlights:** Step sequencer interface, Instant pattern playback, TB-303 style tone knobs, CSV pattern export, Dark mode support

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

**In-app purchases:** none


### Utsurohi

[App page](https://appshunter.io/ios/app/utsurohi/id6769703520)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Utsurohi Plus | $2.99 | one-time |


## Frequently asked questions

### Is 303 Note free?

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

### Is Utsurohi free?

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

### Do 303 Note or Utsurohi have ads?

Utsurohi shows ads; 303 Note 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.*