# Polybeep vs ChaosArp

The clearest difference is review sentiment: ChaosArp at 83% against Polybeep's 50%. ChaosArp also leads on rating (4.9 vs 4.7) and chart position (#136 vs unranked). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Polybeep costs $4.99 and ChaosArp $3.99 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 4.7. Both are backed by a comparable volume of ratings — 3 and 9 respectively. Written reviews point the same way: 50% of Polybeep's written reviews are positive against 83% of ChaosArp's.

Polybeep ships an update fortnightly, ChaosArp every 2 weeks. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Polybeep | ChaosArp |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/polybeep/id6471223455/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/chaosarp/id6497066359/reviews)** |
| Number of ratings | 3 | **9** |
| Positive reviews | 50.0% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Paid | Paid |
| Best chart rank | — | **#136** |
| Size | 101 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leonardo Demartino](https://appshunter.io/developer/1390797125) | [Achillefs Sourlas](https://appshunter.io/developer/6813431693) |

## What reviewers say

### Polybeep

[App page](https://appshunter.io/ios/app/polybeep/id6471223455)

Create unique music with a polyrhythmic sound machine. Record or load samples, arrange them into looping shapes, and apply various effects. MIDI input is supported, and songs can be exported as WAV files.

**Highlights:** Polyrhythmic sound generation, Record microphone audio, Load sample files, Looping shape arrangement, Extensive audio effects, MIDI input support, Export to WAV

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Polybeep free?

Polybeep costs $4.99, with no in-app purchases.

### Is ChaosArp free?

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

### Which has better reviews, Polybeep or ChaosArp?

ChaosArp is rated higher. Polybeep averages 4.7 out of 5 from 3 ratings, while ChaosArp averages 4.9 from 9 ratings.

### Do Polybeep or ChaosArp have ads?

Neither Polybeep nor ChaosArp shows ads.

### Which is updated more often, Polybeep or ChaosArp?

Polybeep ships an update fortnightly, and ChaosArp every 2 weeks. Most recently, Polybeep was updated on September 30, 2026 and ChaosArp on October 11, 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.*