# Beat Kitchen Harmonic Synth vs Rithmatic

The clearest difference is review sentiment: Beat Kitchen Harmonic Synth at 100% against Rithmatic's 50%. Beat Kitchen Harmonic Synth also leads on rating (4.8 vs 4.0) and ratings volume (12 vs 4). Rithmatic's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Beat Kitchen Harmonic Synth sells 1 one-off in-app purchase. Rithmatic asks for nothing beyond the download.

Beat Kitchen Harmonic Synth holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 12 and 4 respectively. Written reviews point the same way: 100% of Beat Kitchen Harmonic Synth's written reviews are positive against 50% of Rithmatic's.

Beat Kitchen Harmonic Synth ships an update every 3 days, Rithmatic every 2 days. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Beat Kitchen Harmonic Synth | Rithmatic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/beat-kitchen-harmonic-synth/id6780983442/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110/reviews) |
| Number of ratings | **12** | 4 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 60 MB | 64 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beat Kitchen LLC](https://appshunter.io/developer/6778482300) | [MADE WITH BEST PRACTICE LLC](https://appshunter.io/developer/6779338119) |

## What reviewers say

### Beat Kitchen Harmonic Synth

[App page](https://appshunter.io/ios/app/beat-kitchen-harmonic-synth/id6780983442)

Shape the overtone series directly to create unique sounds. This additive synthesizer allows real-time manipulation of harmonics, LFOs, and envelopes. Explore sound design and synthesis on your device.

**Highlights:** Additive synthesis engine, Overtone series shaping, Live waveform and spectrum response, Modulation matrix with LFOs and envelopes, AUv3 support, On-device processing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $14.99 | one-time |


### Rithmatic

[App page](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110)

This app is an FM synthesizer featuring a vast library of classic voices. It allows users to explore, learn, build, and blend sounds using an intuitive interface and an AUv3 plugin for DAWs. It offers a comprehensive synthesis engine and various playback options.

**Highlights:** 36,118 classic DX7 voices included, AUv3 plugin for DAWs, Patch Builder to learn FM synthesis, Sound blending feature, On-screen and MIDI keyboard support, Arpeggiator and latch function, WAV export

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Beat Kitchen Harmonic Synth free?

Beat Kitchen Harmonic Synth is free to download, with in-app purchases available.

### Is Rithmatic free?

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

### Which has better reviews, Beat Kitchen Harmonic Synth or Rithmatic?

Beat Kitchen Harmonic Synth is rated higher. Beat Kitchen Harmonic Synth averages 4.8 out of 5 from 12 ratings, while Rithmatic averages 4.0 from 4 ratings.

### Do Beat Kitchen Harmonic Synth or Rithmatic have ads?

Neither Beat Kitchen Harmonic Synth nor Rithmatic shows ads.

### Which is updated more often, Beat Kitchen Harmonic Synth or Rithmatic?

Beat Kitchen Harmonic Synth ships an update every 3 days, and Rithmatic every 2 days. Most recently, Beat Kitchen Harmonic Synth was updated on October 12, 2026 and Rithmatic on October 13, 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.*