Quickly create complex chord progressions with a powerful music theory engine. Explore scales, borrow chords, and customize chord details in real-time. Supports multiple patterns and MIDI control for advanced music production.






238+ iOS apps curated and reviewed
The best chordbud 2 auv3 midi sequencer apps on iPhone average 4.5★ across 238+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.






Quickly create complex chord progressions with a powerful music theory engine. Explore scales, borrow chords, and customize chord details in real-time. Supports multiple patterns and MIDI control for advanced music production.






This application acts as a remote control for Ableton Live and MIDI devices, enhancing electronic music production and live performance. It offers deep integration with Ableton Live and extensive MIDI capabilities for controlling software and hardware. The app is modular, with features available as separate in-app purchases.






This app is a grid-based music sequencer that allows users to create compositions using AUv3 plugins and external MIDI devices. It offers extensive tools for arranging clips, editing notes, automating parameters, and routing MIDI.


Capture musical ideas and transform them into professional songs on your iPhone and iPad. This intuitive audio and MIDI DAW offers recording, mixing, and sharing capabilities with advanced editing and effects.


This music sequencer uses multiple playheads to create complex melodic patterns inspired by Baroque and serialist composition techniques. Manipulate speed, direction, and pitch to generate unique soundscapes.


This app provides a suite of 10 MIDI sequencers and controllers for mobile music production. Explore freeform sequencing, generative patterns, and precise control over MIDI instruments within compatible host applications.


Instantly get chords, beats, and lyrics for any song from your audio files, streaming services, or microphone. This AI-powered tool helps musicians of all levels learn and improve their playing with advanced recognition and playback features.


Create custom synthesizers, audio effects, and MIDI processors with a modular music-making tool. Arrange modules on lanes to process signals and route them internally or with your host DAW. Explore a vast library of modules to craft unique sounds.


Learn to play your favorite songs on guitar, piano, or ukulele. Get accurate chords for millions of songs, with animated views and YouTube integration. Premium features include slowing down songs, looping sections, and exporting chords.


Create music on your mobile device with a comprehensive digital audio workstation. Features include a multi-track sequencer, studio-quality instruments, and real-time effects. Ideal for composers and aspiring musicians on the go.


Create professional-quality music on your mobile device. Build virtual studios, compose songs with a variety of instruments and effects, and record your ideas. Import your own sounds or use the extensive library to bring your musical vision to life.


Transform your device into a professional MIDI controller with touch-optimized piano keys, drum pads, and performance controls. It supports SFZ, SF2, WAV, and M4A samples, and can control iOS apps, hardware synths, and Mac software wirelessly or wired.


Create custom MIDI controllers for any MIDI-enabled hardware or software. Offers extensive customization, a large user-created layout library, and robust MIDI communication. Ideal for musicians and producers seeking a personalized control experience.


This app offers a unique approach to MIDI sequencing with interactive and semi-generative features. Connect steps with conditional 'wormholes' for structured variation and create melodic variations in real-time without disrupting the groove. Its flexible grid supports various musical applications, from simple melodies to complex generative patterns.


Compose music on the go with this grid-based MIDI sequencer. Easily add notes, adjust durations, and build complex arrangements with multiple tracks and instruments. Supports MIDI and MusicXML import, and works as a standalone app or AUv3 plugin.


This app is a powerful MIDI sequencer designed for music production. It allows users to create and arrange complex musical pieces with multiple tracks, extensive clip libraries, and advanced looping features. Easily organize and import MIDI data to build songs efficiently.


This app is a powerful AUv3 MIDI sequencer that allows for generative sequencing with randomized notes, velocity, octave, and gate length. It features parameter-locking for individual step customization and supports over 40 scales, with Ableton Link synchronization in its standalone version.


This app offers a unique approach to music creation using a generative node-based sequencer. It allows for complex, probabilistic sequencing and real-time performance control. Integrate with other music apps or control external hardware for a versatile creative experience.


This application allows users to play MIDI files on their Apple devices. It supports various MIDI formats, custom sound fonts, and synchronized lyrics. Advanced features like audio export and MIDI output connection are available via a one-time purchase.


Generate complex musical sequences automatically using Euclidean rhythms. This AUv3 plugin allows you to define multiple rhythm parts, create patterns, and switch between them seamlessly within your favorite DAW.