Version history
OCTACHRON MIDI Drum Sequencer
62
ASO score
Text
74/100
Reviews
50/100
Graphic
60/100
Other
0/100
App Rating
4.7
Votes
280
App Age
11y 6m
Last Update
Jul 08, 2025
Compare with Category Top Apps
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Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4.65
|
4.56
|
+2%
|
|
Number of Ratings (Voted)
|
279
|
579.2K
|
-100%
|
|
App Age
|
11y 6m
|
7y 11m
|
+45%
|
|
Price
|
$8
|
$0
|
|
|
In-app Purchases Price
|
$0
|
$41
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|
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Update Frequency
|
158d
|
31d
|
+403%
|
|
Title Length
|
29
|
26
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+12%
|
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Subtitle Length
|
12
|
27
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-56%
|
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Description Length
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3 696
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2 727
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+36%
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Number of Screenshots
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1521
|
1256
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+21
%
|
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Size
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12MB
|
219MB
|
-95
%
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Category Ranking in United States
7 days
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Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 06, 2025 | Dec 13, 2025 |
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| Top | Dec 06, 2025 | Dec 13, 2025 |
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| Top | Dec 06, 2025 | Dec 13, 2025 |
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No results were found!
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| Top | Dec 06, 2025 | Dec 13, 2025 |
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No results were found!
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Ranking Keywords in United States
| Keywords | App Rank |
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Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
29
of 30
)
OCTACHRON MIDI Drum Sequencer
Subtitle
(
Characters:
12
of 30
)
MIDI CC AUv3
Description
(
Characters:
3696
of 4000
)
OCTACHRON is a very flexible iOS MIDI Sequencer with up to 16 tracks and rich modulation and sequencing capabilities. It is optimized for drums, but also a lot of fun for basic melody lines. It works standalone or as AUv3 MIDI plugin in your favorite iOS DAW or mixer. (like AUM, Logic Pro, Cubasis, Beatmaker, ApeMatrix, Groove Rider, Nanostudio and more (not GarageBand))
PRESS REVIEWS
- “OCTACHRON is almost perfect now” (haQ attaQ)
- “Favorite MIDI Sequencer - User's Choice Award 2022” (iOS AUv3 Facebook Group)
- “An exciting MIDI sequencer with advanced features” (Synth Anatomy)
- “Particularly the probability parameters are a lot of fun” (Amazona)
!!! PLEASE NOTICE: OCTACHRON IS A MIDI SEQUENCER AND DOES NOT CREATE ANY SOUNDS OF ITS OWN !!!
We believe in specialization. This is why OCTACHRON is focused on in depth MIDI sequencing. Control your favorite iOS drums like Blip Box, Ruismaker or MV08, synths like Zeeon or Model D or any other hard- or software MIDI instrument with it.
iOS 12 or higher required. If used with a host software, this has to be compatible with the MIDI AudioUnit standard.
OVERVIEW
- Standalone or AUv3 AudioUnit
- 1-32 steps with flexible clock divider and custom time signatures
- Up to 16 mutable tracks with adjustable length
- Up to 8 chainable patterns (song mode)
- Swing with flexible swing grid
- Save and restore your pattern and MIDI mapping presets
- Parameter lock for velocity, ratcheting, offset, trigger probability, trigger condition, gate length and MIDI CC Modulation
- Scales generator
- MIDI control pattern selection and mute
- Customizable mapping and mapping presets
- Works iOS 12 upwards
- Optimized for iPad and iPhone
- Also compatible standalone with M Macs and Apple Vision Pro
LOTS OF MAPPING PRESETS FOR DRUM APPS AND HARDWARE
- AR-909, Axxon 2 & Blip Box
- Dadamachines Automat, Digistix & DM1/DM2/Drumlab
- DrumComputer by Sugar Bytes
- EGDR 606, 808 & 909
- FAC Drumkit, Hammerhead
- Koala Sampler & Korg Gadgets
- MV08 & NS2 Slate
- Pure Acid Drums
- Ruismaker & Ruismaker FM
- SDS-X, Sitala & Splat-To-Clat
- VA Drum SM, VA Drum2 808 & 909
- Vatanator
- Korg Electribe EMX & ER-1
- Korg Volca Beats
- MFB 522
- Roland MC-101
- Roland TR-08
- Roland TR-707 & 727
- Roland TR-808
- Roland TR-909
Also save, load and share your own MIDI mappings ...
SMART RANDOMIZER
- Smart pattern randomizer
- Randomizer configuration per track
- Trigger mutation per track
- Mutation of internal and CC modulation parameters
PARAMETER LOCK
- Velocity and MIDI CC modulation
- Multiple hits per step with ratcheting
- Offset
- Trigger probability
- Trigger condition
- Gate length
- MIDI CC on every step
- 8 CCs per Track
- Mutation of Internal and CC Modulation
TRACK SETTINGS
- Assign MIDI notes to each track or use mapping presets
- Individual track length to create polyrhythms
LIVE PERFORMANCE FEATURES
- Instant pattern switch option
- Mute function per track to easily build up layers
CONNECTIVIY
- Sequence other standalone apps, AUv3 AudioUnits or external hardware via MIDI
- OCTACHRON derives its timing from the host application, its internal clock or via AbletonLink
- Trigger on different MIDI channels per track
NO TRACKING
- OCTACHRON works offline
- No push notifications
- No ads or in-app purchases
- No tracking tools
- Active on social media and in the mobile music community
- Ongoing development and support and many new features on the list
FOR MELODIC INSTRUMENTS GENERATE VARIOUS SCALES IN ALL KEYS
OCTACHRON is optimized for drums. But it also supports standard melodic scales like major, minor and also more unusual ones like mixolydian and phrygian and more ...}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 280 |
| App Store Link: | |
| Price: | 6.99 $ |
| Website: | |
| Email: | - |
| Privacy Policy: | |
| Categories: | Music |
| Size: | 11MB |
| App Age: | 11 years 6 months |
| Release Date: | Jun 02, 2014 |
| Last Update: | Jul 08, 2025 |
| Version: | 2.1.2 |
Version history
2.1.2
Jul 08, 2025
This release is addressing following bugs
- fixes broken midi/parameter control
- fixes wrong midi channels when generating scales
- fixes unreadable labels in modulation selection dialog
- reduces usage of DSP ressources
2.1.1
Jun 07, 2025
Bugfix related to issues with pre roll, Groove Rider 2, Logic