Best apps like StepPolyArp

4.6(65 ratings)

$19.99In-App Purchases

A powerful MIDI sequencer, editor, and controller for digital music production on iPhone and iPad. It offers a desktop-class editing experience, robust import/export, and advanced features like MPE support and Ableton Link.

OCTACHRON MIDI Drum Sequencer by Markus Teufel

MIDI CC AUv3

Strong Contender

4.5😊(104 ratings)

$9.99

OCTACHRON MIDI Drum Sequencer screenshot 1

OCTACHRON MIDI Drum Sequencer screenshot 2

OCTACHRON MIDI Drum Sequencer screenshot 3

OCTACHRON MIDI Drum Sequencer screenshot 4

OCTACHRON MIDI Drum Sequencer screenshot 5

OCTACHRON MIDI Drum Sequencer screenshot 6

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.

What We Love

👍 Intuitive and easy to use
💡 Powerful and versatile sequencer
🚀 Produces results quickly
🌟 Great for drum patterns
🎛️ Excellent modulation options
🛠️ Swiss Army knife of drums
🔄 Constant updates and improvements
🎶 Great for generative textures
🎯 Go-to drum sequencer
✨ Brilliant and well-crafted app
💯 Highly recommended
🎵 Fun to use
🎨 Dynamic and clean interface
🧑‍💻 Responsive and engaged developers
💡 Inspires creativity
🧩 Brings everything together
⚡ Fast and efficient workflow
🎚️ Good for live sequencing
🎶 Musically useful results
🌟 Top-tier app
🚀 Great for beginners and pros
💯 Must-have for mobile music
✨ Incredible power
👍 Works well with other apps/hardware
✅ Plug and play
🚀 Fast and easy setup
🌟 One of a kind
✨ Great AUv3 sequencer
💡 Offers variation options
💯 Worth the price

Room to Improve

🐛 Pattern change via MIDI difficult
❓ Clock div issues reported
💡 Missing touchable pads
❓ No sound output reported
🐛 Projects broken by update
💡 Limited number of patterns
❓ No MIDI recording option
🐛 Unwanted random notes
🐛 Skipping first note on pattern change
🐛 GUI glitchy/choppy
❓ No manual or tutorials
💡 No iPhone version
❓ GarageBand AUv3 compatibility questioned
💡 Only 8 patterns maximum
🐛 Crashing when loading custom mapping
❓ No note length option
❓ Only 1 octave range
🐛 Repeating notes unexpectedly
🐛 Kick muting in song mode
🐛 Controller faders not working perfectly
💡 No MIDI channel per track
💡 No pattern resync for DAW sync
💡 No way to preview sounds
💡 No way to import sound directly
💡 No follow mode in song mode
💡 Enhanced mod edit mode needed
💡 Ability to drag/select patterns in song mode
💡 MIDI learn button for tracks
💡 Option to record drums live
💡 MidiStep record feature requested
💡 Add more patterns
💡 Add triplets
💡 Midi file export/import
💡 System-wide preset save/load
💡 Randomization for different genres
💡 16 channels needed
💡 More options for MIDI input
💡 Midi channel per drum sound
💡 Number indicating parameter value
💡 Ability to tie patterns

Prism MIDI Sequencer by Tyler Quatraro

Control • Play • Perform

Worth Considering

Groove Box, DAW, AUv3 host

4.8(33 ratings)

$19.99In-App Purchases

This app is a powerful 16-track MIDI step sequencer designed for iOS devices. It allows users to create complex musical patterns with high resolution, elastic timing, and per-step control. It integrates with external synths and samplers, offering extensive features for melody, harmony, and drum sequencing.

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