OCTACHRON MIDI Drum Sequencer 2.2.2 - App Store

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About OCTACHRON MIDI Drum Sequencer

OCTACHRON is a very flexible iOS MIDI Drum 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...

OCTACHRON is a very flexible iOS MIDI Drum 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. (E.g. 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, restore and export your pattern presets, MIDI files 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, play 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 POPULAR 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, phrygian and more ...

Version History This update introduces new mapping support and stability improvements. New • Added mapping preset for Baby Audio TEKNO Fixes • Resolved an issue where trigger conditions could send inconsistent MIDI signals • Fixed visual glitches 2.2.2 Mar 5 Fixes issue where AUv3 parameters were not updated properly 2.2.1 12/20/2025 - MIDI control is supported in AUv3 - MIDI mappings open with the project and activate automatically - Export presets and - Export MIDI files for use across devices - Presets are shared between standalone and AUv3 - BUGFIXES 2.2.0 12/14/2025 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 2.1.2 07/08/2025 Bugfix related to issues with pre roll, Groove Rider 2, Logic 2.1.1 06/07/2025 → Step Offset Nudge individual steps back and forth for more expressive, off-grid rhythms. Hold SHIFT while adjusting to offset the entire track. → Clock Divider per Pattern & Track Set unique clock dividers for each pattern to create evolving rhythms. You can also assign dividers per track—for triplets, polyrhythms, or custom grooves. → Gate Length Control Adjust gate length to shape the feel of your notes—especially useful for melodic instruments that respond to note duration. 2.1.0 05/30/2025 FIX: Mapping preset always loads in all running instances of Octachron 2.0.5 01/13/2025 Bug fixes - mutes not getting saved - clock divider broken 2.0.4 12/10/2024 - adds preset for Korg Drumlogue (by D_K) - adds preset for Klevgrand OneShot - minor internal optimisations 2.0.3 11/18/2024 fixes issue with first generation iPhone SE and similar sizes 2.0.2 08/10/2024 - Adds Privacy Manifest to comply with apples guidelines - adds background transparency for scale generator on iPhone - Adds back preset form DM1 / DM2 / DrumLab - Moves DADACHRON preset to hardware 2.0.1 06/19/2024 - iPhone Support in compact or comfort mode - Overhauled MIDI mapping preset system now supporting creation, sharing and importing of custom MIDI mapping presets 2.0.0 04/09/2024 Fixes an issue with Logic for iPad 1.8.1 01/23/2024 - Use up to 16 tracks for your drum patterns - Show grid in standard or compact size - Hide and show tracks and the adjustable modulation bar - Set number of tracks of generated scales - And get lots of new mapping presets for popular drum apps and hardware 1.8.0 01/01/2024 Fixes issues in Logic for iPad 1.7.1 06/06/2023 Ladies and gentlemen, drumroll, please! Our new and improved release features bug fixes, improved midi timing, double confirmation when performing certain functions (just in case you press the wrong button). Finally, we've recreated some foundational elements of Octachron to keep it relevant in today's fast-paced world. Get your creative juices flowing with our updated iPad drum sequencer. - Bug Fixes - Rewrote parts of the MIDI stack to make standalone timing more reliable - Added double confirmation for some destructive features - Recreated some foundational building blocks of Octachron to keep it relevant 1.7.0 05/08/2023 Fixes an issue with MIDI note sending Adds preset for Sitala 1.6.1 03/03/2023 - New feature: Trigger Condition - Switch modulation parameters also by up/down buttons or swiping - Press shift to change modulation value for all steps together - No play indicator shown anymore for one step patterns - Channel mutes are stored in presets - Combined mapping preset for DM1, DM2 and Drumlab - New mapping preset for Splat-To-Clat 1.6.0 02/11/2023 Fixes CC in SugarBytes DrumComputer mapping preset (Thanks Jakob Haq for pointing it out :)) 1.5.1 12/08/2022 - Smart pattern randomizer - Randomizer configuration per row - Trigger mutation per row - Mutation of internal and CC modulation parameters - Melodic scales with highest note on top - App Manual - New Presets: Analog Rhythm 909, Digistix, Pure Acid Drums, Sugar Bytes Drum Computer and SDS-X - New logo and design 1.5 12/03/2022 We are very happy to finally ship another free update for you, including: - Numerical BPM input option via tap - Drag and drop song patterns to change their order - Edit-only function via tap-and-hold or shift - Play indicator and countdown of played repeats - Patterns set to 0 repeats are skipped in song mode by default - New MIDI mappings - Completely new move x and y function in the pattern menu for more experimental grooves 1.4 08/31/2021 Our little survey now also appears in your favourite DAW. But you only have to answer it once of course :) 1.3.1 10/21/2020 Adds a mini survey: 6 short questions to help improve Octachron :) 1.3.0 09/16/2020 Hey there, it has been a while since we shipped the last update of Octachron. Improvements in the new version are: - Better performance - Cleaner look - Better handling of user presets and mapping - Easier configuration of sequencer settings - Improved song mode design - More accessible modulation Do you have feedback or wish for new features? Drop us a message in a review. Cheers, Your Octachron team 1.2.0 08/02/2020 Fixes issue with presets. 1.1.1 01/26/2020

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Previous Versions

Here you can find the changelog of OCTACHRON MIDI Drum Sequencer since it was posted on our website on 2021-12-24 15:12:59. The latest version is 2.2.2 and it was updated on 2026-10-13 23:03:30. See below the changes in each version.

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