Best Composer Midi Apps

Sequincer: MIDI Sequencer

Music Composition Studio

Free

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.

MIDIKeys - MIDI Controller

Send MIDI Data to Apps/Synths

Free

This app acts as a virtual MIDI keyboard controller, allowing you to send MIDI messages to synthesizer apps and hardware. It offers customizable velocity, octave transposition, and tilt controls for expression.

MIDI Recorder with E.Piano

by Ryouta Kira

Free

Record and play back MIDI performances with an integrated FM E.Piano. Capture musical ideas anywhere using the on-screen keyboard or external MIDI devices. Save recordings in the Standard MIDI File Format 0.

MIDI Opener

The essential MIDI player

Free

This app is a powerful and modern MIDI player designed for musicians, learners, and creators. It offers visual playback, tempo and key control, and advanced track management. Import custom soundbanks and enjoy features like synchronized lyrics and a 3D visualizer.

Midi Sheet Music

Convert Midi to Sheet Music

Free

Convert MIDI files into playable sheet music. This free application plays music, highlights notes on both piano and sheet music, and offers features like speed adjustment and transposition. Learn your favorite songs with a library of classical pieces and readily available MIDI files.

Midify

Intuitive AI MIDI Editor

Free

Compose music anywhere with AI assistance. This app lets you sketch melodies and rhythms using a piano roll or ABC notation, with real-time sheet music display. An integrated chat assistant offers creative suggestions and edits to refine your compositions.

MIDI Wrench

MIDI Monitor & MIDI Controller

Free

This app acts as a versatile tool for managing MIDI devices on iOS. It allows you to monitor incoming MIDI messages in real-time and send your own MIDI commands using virtual controls. It's useful for troubleshooting MIDI setups and understanding device communication.

MIDI Sniffer

Capture and Share MIDI Logs

Free

Capture and share MIDI messages from external instruments. View logs in text or hex with precise timestamps. Export as MIDI files or share via text/email. Supports Bluetooth LE connections and message filtering.

MIDI Motif Maker

Motif Generator & MIDI Tool

$5.99

Generate unique melodies with a single tap using a constraint solver and Markov engine. Shape, remix, and export your musical ideas as MIDI files. This app works offline and offers built-in music theory references.

KeyPad MIDI Controller

SFZ, SF2 Player · Piano & Pads

Free

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.

NS MIDI Player

Simple MIDI player

Free

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.

Sweet MIDI Player

by Roni Music

Free

This application allows users to play and edit MIDI files. It offers features like transposing, tempo changes, channel muting, and synchronized lyric display. Users can also manage playlists and utilize a built-in sound library.

MIDI Layers

Intelligent MIDI Splitter

$12.99

This app allows musicians to intelligently route MIDI data, enabling complex keyboard splits, layered instruments, and seamless scene switching for live performances. Create up to 12 scenes with numerous layers, each with customizable MIDI output and note remapping.

Midi Suite

by Sinco Audio

Free

This utility app allows you to wirelessly adjust device parameters using Bluetooth. It provides a convenient way to manage settings remotely. The application is free to download and use.