# 303 Note vs Cornerman

The clearest difference is in-app purchases: 303 Note at none against Cornerman's 1. 303 Note also leads on update cadence (every 4 weeks vs every 2 months) and iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Cornerman sells 1 in-app purchase, starting at $49.99 per year. 303 Note asks for nothing beyond the download.

303 Note ships an update every 4 weeks, Cornerman every 2 months. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 303 Note | Cornerman |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 23 MB | 5 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [tsubasa hattori](https://appshunter.io/developer/1501084394) | [Bugra Gunay](https://appshunter.io/developer/1540057343) |

## 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


### Cornerman

[App page](https://appshunter.io/ios/app/cornerman-dads-planner/id6789925474)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cornerman Premium | $49.99 | per year |


## Frequently asked questions

### Is 303 Note free?

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

### Is Cornerman free?

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

### Do 303 Note or Cornerman have ads?

Neither 303 Note nor Cornerman shows ads.

### Which is updated more often, 303 Note or Cornerman?

303 Note ships an update every 4 weeks, and Cornerman every 2 months. Most recently, 303 Note was updated on November 3, 2026 and Cornerman on November 10, 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.*