# ChaosArp vs Things

The clearest difference is update cadence: ChaosArp at every 2 weeks against Things's every 9 months. ChaosArp also leads on price ($3.99 vs $6.99) and review sentiment (83% vs 75%). On rating, ratings volume, ads and in-app purchases there is nothing between them.

ChaosArp costs $3.99 and Things $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for ChaosArp against 5.0 for Things. Both are backed by a comparable volume of ratings — 9 and 13 respectively. Written reviews are what separate them: 83% of ChaosArp's written reviews are positive against 75% of Things's.

ChaosArp ships an update every 2 weeks, Things every 9 months. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ChaosArp | Things |
| --- | --- | --- |
| Price | **$3.99** | $6.99 |
| Rating | [4.9 (9 ratings)](https://appshunter.io/ios/app/chaosarp/id6497066359/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/things-fold/id6498930828/reviews)** |
| Number of ratings | 9 | **13** |
| Positive reviews | **83.3% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 17 MB | 18 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Achillefs Sourlas](https://appshunter.io/developer/6813431693) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### ChaosArp

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

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


### Things

[App page](https://appshunter.io/ios/app/things-fold/id6498930828)

This dynamic wavefolder plugin offers subtle to extreme saturation, inspired by classic diode-based circuits. It features an envelope follower, filters, and adjustable feedback for diverse sound design.

**Highlights:** Dynamic wavefolding, Envelope follower, Low-pass and high-pass filters, Adjustable feedback, Diode-based circuit inspiration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ChaosArp free?

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

### Is Things free?

Things costs $6.99, with no in-app purchases.

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

Things is rated higher. ChaosArp averages 4.9 out of 5 from 9 ratings, while Things averages 5.0 from 13 ratings.

### Do ChaosArp or Things have ads?

Neither ChaosArp nor Things shows ads.

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

ChaosArp ships an update every 2 weeks, and Things every 9 months. Most recently, ChaosArp was updated on October 11, 2026 and Things on October 15, 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.*