# PhaseRings vs Rithmatic

The clearest difference is rating: PhaseRings at 4.4 against Rithmatic's 4.0. PhaseRings also leads on review sentiment (80% vs 50%) and ratings volume (16 vs 4). Rithmatic's advantage is update cadence (every 2 days vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PhaseRings holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 16 and 4 respectively. Written reviews point the same way: 80% of PhaseRings's written reviews are positive against 50% of Rithmatic's.

PhaseRings ships an update every 5 months, Rithmatic every 2 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PhaseRings | Rithmatic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (16 ratings)](https://appshunter.io/ios/app/phaserings/id924795988/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110/reviews) |
| Number of ratings | **16** | 4 |
| Positive reviews | **80.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 6 MB | 64 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Charles Martin](https://appshunter.io/developer/560849533) | [MADE WITH BEST PRACTICE LLC](https://appshunter.io/developer/6779338119) |

## What reviewers say

### PhaseRings

[App page](https://appshunter.io/ios/app/phaserings/id924795988)

Create expressive music with intuitive touch gestures. Explore various sound schemes and generative composition tools to craft unique musical pieces. Supports MIDI and Audiobus for advanced integration.

**Highlights:** Expressive touch gesture music creation, Seven unique sound schemes, Generative composition engine, Customizable pitch compositions, Core MIDI support, AudioBus and Inter-App Audio support

**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:** none


## Frequently asked questions

### Is PhaseRings free?

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

### Is Rithmatic free?

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

### Which has better reviews, PhaseRings or Rithmatic?

PhaseRings is rated higher. PhaseRings averages 4.4 out of 5 from 16 ratings, while Rithmatic averages 4.0 from 4 ratings.

### Do PhaseRings or Rithmatic have ads?

Neither PhaseRings nor Rithmatic shows ads.

### Which is updated more often, PhaseRings or Rithmatic?

PhaseRings ships an update every 5 months, and Rithmatic every 2 days. Most recently, PhaseRings was updated on October 15, 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.*