# ChordFlow vs ChaosArp

The clearest difference is price: ChaosArp at $3.99 against ChordFlow's $9.99. ChaosArp also leads on rating (4.9 vs 4.6) and chart position (#183 vs unranked). ChordFlow's advantage is ratings volume (132 vs 9) and iOS requirement (9.0 vs 13.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

ChordFlow costs $9.99 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 4.6. That said, the two scores are not equally well evidenced: ChordFlow has 132 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 79% of ChordFlow's written reviews are positive against 83% of ChaosArp's.

ChordFlow ships an update monthly, ChaosArp every 2 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ChordFlow | ChaosArp |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | [4.6 (132 ratings)](https://appshunter.io/ios/app/chordflow/id1219789464/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/chaosarp/id6497066359/reviews)** |
| Number of ratings | **132** | 9 |
| Positive reviews | 78.7% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#183** |
| Size | 73 MB | 17 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitrii Klochkov](https://appshunter.io/developer/1058553902) | [Achillefs Sourlas](https://appshunter.io/developer/6813431693) |

## What reviewers say

### ChordFlow

[App page](https://appshunter.io/ios/app/chordflow/id1219789464)

This app helps musicians quickly create chord progressions, arpeggios, and melodies for their songs. It allows for easy editing, arrangement of song sections, and export to DAWs as MIDI files.

**Highlights:** Create chord progressions with scale matching, Draw rhythmic arpeggio patterns, Compose melodies with scale and chord context, Build songs with multiple sections, Export to DAW as MIDI, Intuitive drag-and-drop editing

**In-app purchases:** none

**What reviewers like**

- 💡 Creative and inspirational tool
- 🚀 Fast idea sketching
- 👍 Intuitive and easy to use
- 🎶 Great for chord progressions
- 🔌 Good connectivity (Audiobus, MIDI Out, Ableton Link)

**What reviewers complain about**

- 🤔 Difficult to understand/learn
- 🔊 Sound issues (stops working, staticky, no sound)
- 🔄 Not always stable (crashes, falls out of sync)
- 🎨 Not colorblind friendly UI
- 💰 Overpriced for limitations

**Reported bugs**

- Sound stops working, gets staticky and fades
- General audio delay on iPad
- Chords won't sound
- Melody thirds and sevenths do not adjust to sharp or flat notes
- App falls out of sync with Ableton Link

**Requested features**

- Add small keyboard to chord section to show notes
- Show arp triggered notes when playing
- Send MIDI data when tapping chords
- Alter main chords within arpeggio editor
- Get some serious promotion


### ChaosArp

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

**Currently charting:** #183 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 ChordFlow free?

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

### Is ChaosArp free?

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

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

ChaosArp is rated higher. ChordFlow averages 4.6 out of 5 from 132 ratings, while ChaosArp averages 4.9 from 9 ratings.

### Do ChordFlow or ChaosArp have ads?

Neither ChordFlow nor ChaosArp shows ads.

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

ChordFlow ships an update monthly, and ChaosArp every 2 weeks. Most recently, ChordFlow was updated on October 7, 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.*