# FM Synthesizer vs Note by Note

The clearest difference is in-app purchases: Note by Note at none against FM Synthesizer's 3. FM Synthesizer's advantage is iOS requirement (12.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FM Synthesizer sells 3 in-app purchases, starting at $4.99 per month. Note by Note asks for nothing beyond the download.

FM Synthesizer ships an update weekly, Note by Note every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FM Synthesizer | Note by Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (6 ratings)](https://appshunter.io/ios/app/fm-synthesizer-piano-keys/id1563962952/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 78 MB | 7 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stanislav Duplinskiy](https://appshunter.io/developer/1529735040) | [CGDevworks LLC](https://appshunter.io/developer/1882236775) |

## What reviewers say

### FM Synthesizer

[App page](https://appshunter.io/ios/app/fm-synthesizer-piano-keys/id1563962952)

Explore sound synthesis with adjustable parameters to create unique audio. Access new presets monthly, utilize multi-genre synths, and manage effect groups. Record and share your musical creations with others.

**Highlights:** Adjustable synthesis parameters, Monthly new presets, Multi-genre synths, Effect group settings, Session recording, Share recordings

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro access and monthly updates | $4.99 | per month |
| Pro access and monthly updates | $9.99 | per month |
| Effects & Recording | $7.99 | one-time |


### Note by Note

[App page](https://appshunter.io/ios/app/note-by-note/id6760000876)

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

**In-app purchases:** none


## Frequently asked questions

### Is FM Synthesizer free?

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

### Is Note by Note free?

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

### Do FM Synthesizer or Note by Note have ads?

Neither FM Synthesizer nor Note by Note shows ads.

### Which is updated more often, FM Synthesizer or Note by Note?

FM Synthesizer ships an update weekly, and Note by Note every 2 weeks. Most recently, FM Synthesizer was updated on November 3, 2026 and Note by Note on October 31, 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.*