# ChaosArp vs Note to Be

ChaosArp and Note to Be both sit at 4.9 stars, but that hides the real split: 83% of ChaosArp's written reviews are positive against 50% of Note to Be's. On price, rating, ratings volume and update cadence there is nothing between them.

ChaosArp costs $3.99 and Note to Be $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 — 4.9 for ChaosArp against 4.9 for Note to Be. Both are backed by a comparable volume of ratings — 9 and 7 respectively. Written reviews are what separate them: 83% of ChaosArp's written reviews are positive against 50% of Note to Be's.

ChaosArp ships an update fortnightly, Note to Be every 9 days. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ChaosArp | Note to Be |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | [4.9 (9 ratings)](https://appshunter.io/ios/app/chaosarp/id6497066359/reviews) | [4.9 (7 ratings)](https://appshunter.io/ios/app/note-to-be-midi-quantizer/id6596771972/reviews) |
| Number of ratings | **9** | 7 |
| Positive reviews | **83.3% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Paid | Paid |
| Size | 16 MB | 71 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Axart Labs OU](https://appshunter.io/developer/1814434331) | [Cem Olcay](https://appshunter.io/developer/523633853) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### Note to Be

[App page](https://appshunter.io/ios/app/note-to-be-midi-quantizer/id6596771972)

This app offers advanced MIDI quantization for iOS musicians. It allows precise control over note selection, octave flexibility, and MIDI CC integration for crafting harmonious compositions and dynamic live performances. Supports microtonal scales and multi-synth setups.

**Highlights:** Customizable note and octave selection, MIDI CC to note conversion, Multi-synth channel assignment, Live performance toggles, Microtonal scale support (Scala Library), MPE polyphonic playback

**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 Note to Be free?

Note to Be costs $3.99, with no in-app purchases.

### Which has better reviews, ChaosArp or Note to Be?

ChaosArp and Note to Be are both rated 4.9 out of 5 on the App Store, from 9 and 7 ratings respectively.

### Do ChaosArp or Note to Be have ads?

Neither ChaosArp nor Note to Be shows ads.

### Which is updated more often, ChaosArp or Note to Be?

ChaosArp ships an update fortnightly, and Note to Be every 9 days. Most recently, ChaosArp was updated on September 8, 2026 and Note to Be on September 21, 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.*