# MIDISpy vs OCTACHRON MIDI Drum Sequencer

The clearest difference is price: MIDISpy at Free against OCTACHRON MIDI Drum Sequencer's $9.99. MIDISpy also leads on update cadence (every 3 weeks vs every 2 months). OCTACHRON MIDI Drum Sequencer's advantage is rating (4.5 vs 4.0) and ratings volume (104 vs 4). On ads, in-app purchases and iOS requirement there is nothing between them.

MIDISpy is free to download; OCTACHRON MIDI Drum Sequencer costs $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, 4.5 against 4.0. That said, the two scores are not equally well evidenced: OCTACHRON MIDI Drum Sequencer has 104 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 71% of MIDISpy's written reviews are positive against 81% of OCTACHRON MIDI Drum Sequencer's.

MIDISpy ships an update every 3 weeks, OCTACHRON MIDI Drum Sequencer every 2 months. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MIDISpy | OCTACHRON MIDI Drum Sequencer |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/midispy/id1444652196/reviews) | **[4.5 (104 ratings)](https://appshunter.io/ios/app/octachron-midi-drum-sequencer/id1453137215/reviews)** |
| Number of ratings | 4 | **104** |
| Positive reviews | 71.4% of reviews | **81.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 6 MB | 12 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kai Aras](https://appshunter.io/developer/370820899) | [Markus Teufel](https://appshunter.io/developer/1104803847) |

## What reviewers say

### MIDISpy

[App page](https://appshunter.io/ios/app/midispy/id1444652196)

This utility helps monitor MIDI connections across various platforms. It offers basic filtering for different MIDI message types and supports multiple connectivity options.

**Highlights:** Standalone and AUv3 support, Basic message filtering, Inter-App MIDI, USB MIDI, Bluetooth MIDI, Network MIDI

**Features:** macOS Compatibility

**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 MIDISpy free?

MIDISpy is free to download, 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, MIDISpy or OCTACHRON MIDI Drum Sequencer?

OCTACHRON MIDI Drum Sequencer is rated higher. MIDISpy averages 4.0 out of 5 from 4 ratings, while OCTACHRON MIDI Drum Sequencer averages 4.5 from 104 ratings.

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

Neither MIDISpy nor OCTACHRON MIDI Drum Sequencer shows ads.

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

MIDISpy ships an update every 3 weeks, and OCTACHRON MIDI Drum Sequencer every 2 months. Most recently, MIDISpy was updated on September 30, 2026 and OCTACHRON MIDI Drum Sequencer on October 14, 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.*