# 303 Note vs Eclat～エクラ～公式アプリ

The clearest difference is update cadence: 303 Note at every 4 weeks against Eclat～エクラ～公式アプリ's every 28 months. Eclat～エクラ～公式アプリ's advantage is iOS requirement (12.0 vs 18.6). 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.

303 Note ships an update every 4 weeks, Eclat～エクラ～公式アプリ every 28 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 303 Note | Eclat～エクラ～公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/303-note-acid-sequencer/id1501084395/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 28 months |
| Monetization | Free | — |
| Size | 23 MB | 17 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [tsubasa hattori](https://appshunter.io/developer/1501084394) | [mika nishioka](https://appshunter.io/developer/1599999205) |

## 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


### Eclat～エクラ～公式アプリ

[App page](https://appshunter.io/ios/app/eclat/id1599999203)

**In-app purchases:** none


## Frequently asked questions

### Is 303 Note free?

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

### Is Eclat～エクラ～公式アプリ free?

Eclat～エクラ～公式アプリ is free to download, with no in-app purchases.

### Do 303 Note or Eclat～エクラ～公式アプリ have ads?

Neither 303 Note nor Eclat～エクラ～公式アプリ shows ads.

### Which is updated more often, 303 Note or Eclat～エクラ～公式アプリ?

303 Note ships an update every 4 weeks, and Eclat～エクラ～公式アプリ every 28 months. Most recently, 303 Note was updated on October 1, 2026 and Eclat～エクラ～公式アプリ on October 2, 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.*