# ChaosArp vs Polyrhythm Explorer

The clearest difference is rating: ChaosArp at 4.9 against Polyrhythm Explorer's 4.5. ChaosArp also leads on chart position (#136 vs unranked) and price ($3.99 vs $4.99). Polyrhythm Explorer's advantage is update cadence (every 8 days vs every 2 weeks). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

ChaosArp costs $3.99 and Polyrhythm Explorer $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ChaosArp holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 9 and 12 respectively. Written reviews complicate that: 83% of ChaosArp's written reviews are positive against 88% of Polyrhythm Explorer's, so the app with the better star average is not the one people write more warmly about.

ChaosArp ships an update every 2 weeks, Polyrhythm Explorer every 8 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ChaosArp | Polyrhythm Explorer |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/chaosarp/id6497066359/reviews)** | [4.5 (12 ratings)](https://appshunter.io/ios/app/polyrhythm-explorer/id6535682626/reviews) |
| Number of ratings | 9 | **12** |
| Positive reviews | 83.3% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#136** | — |
| Size | 17 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Achillefs Sourlas](https://appshunter.io/developer/6813431693) | [PolyNome Ltd](https://appshunter.io/developer/988568871) |

## What reviewers say

### ChaosArp

[App page](https://appshunter.io/ios/app/chaosarp/id6497066359)

**Currently charting:** #136 Top Paid · Music (US App Store)

This music app generates complex and dynamic MIDI patterns using advanced algorithms. It offers a unique rhythm event feature and variance control for extensive customization, allowing users to create evolving musical sequences.

**Highlights:** Arpeggiator and step sequencer modes, Rhythm event feature with 13 algorithms, Pitch and rhythm variance control, Scale quantizer, Randomizable velocity and duration, 4 performance buttons

**In-app purchases:** none


### Polyrhythm Explorer

[App page](https://appshunter.io/ios/app/polyrhythm-explorer/id6535682626)

Learn and master complex rhythmic patterns with interactive guides and visual tools. Explore polyrhythms through written lessons, video tutorials, and customizable sound options. Ideal for musicians of all levels seeking to deepen their rhythmic understanding.

**Highlights:** Written guides and video tutorials, Linear and Grid Layout Modes, Voice Count for isolated rhythms, Customizable sounds (drums, keyboard), Polymeter visualization, Sample-accurate timing, Full-Screen Mode

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

**In-app purchases:** none


## Frequently asked questions

### Is ChaosArp free?

ChaosArp costs $3.99, with no in-app purchases.

### Is Polyrhythm Explorer free?

Polyrhythm Explorer costs $4.99, with no in-app purchases.

### Which has better reviews, ChaosArp or Polyrhythm Explorer?

ChaosArp is rated higher. ChaosArp averages 4.9 out of 5 from 9 ratings, while Polyrhythm Explorer averages 4.5 from 12 ratings.

### Do ChaosArp or Polyrhythm Explorer have ads?

Neither ChaosArp nor Polyrhythm Explorer shows ads.

### Which is updated more often, ChaosArp or Polyrhythm Explorer?

ChaosArp ships an update every 2 weeks, and Polyrhythm Explorer every 8 days. Most recently, ChaosArp was updated on October 11, 2026 and Polyrhythm Explorer on October 8, 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.*