# Arpeggist vs OCTACHRON MIDI Drum Sequencer

The clearest difference is review sentiment: OCTACHRON MIDI Drum Sequencer at 81% against Arpeggist's 14%. OCTACHRON MIDI Drum Sequencer also leads on rating (4.6 vs 2.0) and ratings volume (106 vs 3). Arpeggist's advantage is price ($2.99 vs $9.99) and iOS requirement (7.0 vs 12.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Arpeggist costs $2.99 and OCTACHRON MIDI Drum Sequencer $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OCTACHRON MIDI Drum Sequencer holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: OCTACHRON MIDI Drum Sequencer has 106 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 14% of Arpeggist's written reviews are positive against 81% of OCTACHRON MIDI Drum Sequencer's.

Arpeggist ships an update every 5 weeks, OCTACHRON MIDI Drum Sequencer every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Arpeggist | OCTACHRON MIDI Drum Sequencer |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/arpeggist/id993650909/reviews) | **[4.6 (106 ratings)](https://appshunter.io/ios/app/octachron-midi-drum-sequencer/id1453137215/reviews)** |
| Number of ratings | 3 | **106** |
| Positive reviews | 13.6% of reviews | **81.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 11 MB | 12 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [Markus Teufel](https://appshunter.io/developer/1104803847) |

## What reviewers say

### Arpeggist

[App page](https://appshunter.io/ios/app/arpeggist/id993650909)

This app transforms single notes or chords into complex musical patterns using a programmable step matrix editor and a unique random generator. It allows for live playing with an onscreen or hardware keyboard and includes an internal sound generator for immediate use.

**Highlights:** Programmable step matrix editor, Random arpeggio generator, Live playing with onscreen keyboard, Internal sound generator, Chord generator, Dozens of selectable scales

**In-app purchases:** none


### OCTACHRON MIDI Drum Sequencer

[App page](https://appshunter.io/ios/app/octachron-midi-drum-sequencer/id1453137215)

This app is a flexible MIDI drum sequencer for iOS, offering up to 16 tracks with advanced modulation and sequencing. It can be used standalone or as an AUv3 plugin in DAWs, and is optimized for drums but also suitable for melodies. It requires iOS 12 or higher.

**Highlights:** 16 mutable tracks, AUv3 MIDI plugin, Standalone operation, Parameter locking, Smart randomizer, Chainable patterns, Custom time signatures

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and easy to use
- 💡 Powerful and versatile sequencer
- 🚀 Produces results quickly
- 🌟 Great for drum patterns
- 🎛️ Excellent modulation options

**What reviewers complain about**

- 🐛 Pattern change via MIDI difficult
- ❓ Clock div issues reported
- 💡 Missing touchable pads
- ❓ No sound output reported
- 🐛 Projects broken by update

**Reported bugs**

- Clock div issues reported
- No sound output reported
- Projects broken by update
- Skipping first note on pattern change
- GUI glitchy/choppy

**Requested features**

- Add touchable pads
- Add MIDI Step record feature
- Add triplets
- Add MIDI file export and import
- Add system-wide preset save and load


## Frequently asked questions

### Is Arpeggist free?

Arpeggist costs $2.99, with no in-app purchases.

### Is OCTACHRON MIDI Drum Sequencer free?

OCTACHRON MIDI Drum Sequencer costs $9.99, with no in-app purchases.

### Which has better reviews, Arpeggist or OCTACHRON MIDI Drum Sequencer?

OCTACHRON MIDI Drum Sequencer is rated higher. Arpeggist averages 2.0 out of 5 from 3 ratings, while OCTACHRON MIDI Drum Sequencer averages 4.6 from 106 ratings.

### Do Arpeggist or OCTACHRON MIDI Drum Sequencer have ads?

Neither Arpeggist nor OCTACHRON MIDI Drum Sequencer shows ads.

### Which is updated more often, Arpeggist or OCTACHRON MIDI Drum Sequencer?

Arpeggist ships an update every 5 weeks, and OCTACHRON MIDI Drum Sequencer every 2 months. Most recently, Arpeggist was updated on November 1, 2026 and OCTACHRON MIDI Drum Sequencer on November 2, 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.*