# Marco Synth vs Rithmatic

The clearest difference is price: Rithmatic at Free against Marco Synth's $4.99. Rithmatic also leads on update cadence (every 2 days vs weekly) and device support (4 vs 2). Marco Synth's advantage is in-app purchases (none vs 4) and review sentiment (100% vs 67%). On ratings volume and ads there is nothing between them.

Rithmatic is free to download; Marco Synth costs $4.99 up front. Rithmatic sells 4 one-off in-app purchases. Marco Synth asks for nothing beyond the download.

Marco Synth holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 100% of Marco Synth's written reviews are positive against 67% of Rithmatic's.

Marco Synth ships an update weekly, Rithmatic every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Marco Synth | Rithmatic |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/marco-synth/id6782900508/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 61 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Glenn Vassallo](https://appshunter.io/developer/914825403) | [MADE WITH BEST PRACTICE LLC](https://appshunter.io/developer/6779338119) |

## What reviewers say

### Marco Synth

[App page](https://appshunter.io/ios/app/marco-synth/id6782900508)

This powerful synthesizer app offers a unique dual hard sync engine with four independent oscillators. Explore a vast sonic palette with intelligent randomization and a tactile workflow designed for sound discovery. It's suitable for both beginners and experienced musicians.

**Highlights:** Dual hard sync engine, Four independent oscillators, Intelligent randomization, Extensive waveform and filter options, Master FX bus, AUv3 plugin support, Built-in keyboard

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Comrade! | $4.99 | one-time |
| Major Supporter | $9.99 | one-time |
| Supporting Member | $19.99 | one-time |
| Underwriter | $49.99 | one-time |


## Frequently asked questions

### Is Marco Synth free?

Marco Synth costs $4.99, with no in-app purchases.

### Is Rithmatic free?

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

### Which has better reviews, Marco Synth or Rithmatic?

Marco Synth is rated higher. Marco Synth averages 5.0 out of 5 from 4 ratings, while Rithmatic averages 4.6 from 9 ratings.

### Do Marco Synth or Rithmatic have ads?

Neither Marco Synth nor Rithmatic shows ads.

### Which is updated more often, Marco Synth or Rithmatic?

Marco Synth ships an update weekly, and Rithmatic every 2 days. Most recently, Marco Synth was updated on October 24, 2026 and Rithmatic on October 24, 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.*