# PhaseRings vs Holon

The clearest difference is in-app purchases: PhaseRings at none against Holon's 2. Holon's advantage is iOS requirement (12.0 vs 16.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Holon sells 2 one-off in-app purchases. PhaseRings asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for PhaseRings against 4.5 for Holon. Both are backed by a comparable volume of ratings — 16 and 14 respectively. Written reviews are what separate them: 80% of PhaseRings's written reviews are positive against 75% of Holon's.

PhaseRings ships an update every 5 months, Holon every 3 months. The most recent releases landed on July 7, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | PhaseRings | Holon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (16 ratings)](https://appshunter.io/ios/app/phaserings/id924795988/reviews) | **[4.5 (14 ratings)](https://appshunter.io/ios/app/holon/id1352687747/reviews)** |
| Number of ratings | **16** | 14 |
| Positive reviews | **80.0% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 144 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Charles Martin](https://appshunter.io/developer/560849533) | [Holonic Systems Oy](https://appshunter.io/developer/1172474856) |

## 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


### Holon

[App page](https://appshunter.io/ios/app/holon/id1352687747)

This app transforms your movement through cities into a dynamic, real-time musical score. It uses your physical location and activity to generate interactive synth music, encouraging outdoor exploration and turning listeners into performers.

**Highlights:** Human-powered music generation, Encourages outdoor activity, Zero UI for minimal distraction, Environmentally responsive music, Real-time synth music creation, Optional AirPods and Apple Watch integration

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apple Watch support | Free | one-time |
| Movesense Support | Free | one-time |


## Frequently asked questions

### Is PhaseRings free?

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

### Is Holon free?

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

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

Holon is rated higher. PhaseRings averages 4.4 out of 5 from 16 ratings, while Holon averages 4.5 from 14 ratings.

### Do PhaseRings or Holon have ads?

Neither PhaseRings nor Holon shows ads.

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

PhaseRings ships an update every 5 months, and Holon every 3 months. Most recently, PhaseRings was updated on July 7, 2026 and Holon on August 5, 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.*