# WoodTroller vs ChaosArp

The clearest difference is price: ChaosArp at $3.99 against WoodTroller's $9.99. WoodTroller's advantage is review sentiment (100% vs 83%). On rating, ratings volume, update cadence and ads there is nothing between them.

WoodTroller costs $9.99 and ChaosArp $3.99 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 — 4.8 for WoodTroller against 4.9 for ChaosArp. Both are backed by a comparable volume of ratings — 6 and 9 respectively. Written reviews are what separate them: 100% of WoodTroller's written reviews are positive against 83% of ChaosArp's.

WoodTroller ships an update fortnightly, ChaosArp every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | WoodTroller | ChaosArp |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/woodtroller/id6445840179/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/chaosarp/id6497066359/reviews)** |
| Number of ratings | 6 | **9** |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Paid | Paid |
| Size | 12 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Woodman's Immaculate Maple Syrup Studio](https://appshunter.io/developer/1066413972) | [Achillefs Sourlas](https://appshunter.io/developer/6813431693) |

## What reviewers say

### WoodTroller

[App page](https://appshunter.io/ios/app/woodtroller/id6445840179)

This app functions as a multi-touch bar MIDI controller for MPE and MIDI V2. It offers customizable rotary controls and buttons to manage various parameters and send MIDI commands, with iCloud syncing for presets.

**Highlights:** MPE touch bar with individual pitch shift, pressure, and CC74 control, 8 customizable rotary controls for sending multiple CC messages, 8 programmable buttons for sending various MIDI commands, User-definable rotary and button names, colors, and ranges, Preset storage and automatic syncing via iCloud, Stand-alone app and AUv3 plugin support

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is WoodTroller free?

WoodTroller costs $9.99, with no in-app purchases.

### Is ChaosArp free?

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

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

ChaosArp is rated higher. WoodTroller averages 4.8 out of 5 from 6 ratings, while ChaosArp averages 4.9 from 9 ratings.

### Do WoodTroller or ChaosArp have ads?

Neither WoodTroller nor ChaosArp shows ads.

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

WoodTroller ships an update fortnightly, and ChaosArp every 2 weeks. Most recently, WoodTroller was updated on October 24, 2026 and ChaosArp on October 24, 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.*