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Last updated on: 2026-06-11
App Store Apps > Utilities > MIDI Opener
MIDI Opener icon

MIDI Opener

5.5
MartianRover
3.93
85 reviews
Free

MIDI Opener Screenshot 1 of 5
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About MIDI Opener

MIDI Opener is an overall app developed by MartianRover.

How many times has MIDI Opener been downloaded?

What is the rating of MIDI Opener?

MIDI Opener is rated 3.93 out of 5 stars, based on 85 ratings.

Is MIDI Opener free?

MIDI Opener is free to download. The APK download size is 333.73 MB. The latest version available is 5.5. The last update was on June 5, 2026.

What are the requirements for MIDI Opener?

The app has a content rating of Everyone. The app has been available on Google Play September 2015.

Description
MIDI Opener – Play, Practice & Export MIDI Files

Open any MIDI file and take full control of your music.

MIDI Opener is a fast, precise MIDI player built for musicians who want to practice smarter, isolate parts, customize arrangements, route playback to external gear, export their changes, and deeply explore songs without the complexity of a DAW.

WHY MIDI OPENER

• Instantly open and play standard MIDI files (.mid, .midi)
• Ultra-responsive playback with zero clutter
• Built for practice, learning, live performance, and musical exploration
• Completely ad-free

POWERFUL PLAYBACK CONTROL

• Change tempo in real time (slow down or speed up)
• Transpose key instantly to match your instrument
• Mute, solo, and adjust volume for each track
• Swap instruments using all 128 General MIDI sounds
• Import custom SoundFont (.sf2) and DLS soundbanks
• Apply reverb, delay, distortion, and EQ effects

EXPORT YOUR CHANGES

• Export audio as MP3, M4A, or WAV
• Export modified MIDI files with your changes
• Save customized practice mixes and arrangements
• Perfect for backing tracks, sharing, and rehearsal prep

PRACTICE WITH PRECISION

• Loop any section with A–B looping
• Isolate difficult passages and repeat them
• Break down complex songs into manageable parts
• Save and instantly restore full practice setups with Snapshots

Perfect for pianists, guitarists, producers, singers, music directors, and students.

MIDI OUT & EXTERNAL DEVICES

• Send MIDI playback to external keyboards, synths, drum machines, and sound modules
• Connect over USB, Bluetooth, or Wi-Fi
• Compatible with Logic Pro, Ableton Live, GarageBand, and CoreMIDI apps
• Use premium external instrument sounds and studio hardware

SING AND PRACTICE

• View embedded lyrics when available
• Real-time word highlighting synced to playback
• Great for karaoke and vocal practice

SEE YOUR MUSIC

• Clean, readable note timeline
• Beautiful full screen Focus Mode with ambient visuals, auto hiding controls, and optional synchronized lyrics
• Track based visual layout
• Retro 3D visualizer
• Multiple visual themes

ORGANIZE YOUR MIDI LIBRARY

• Import from Files, AirDrop, Mail, and other apps
• Create playlists
• Queue songs for continuous playback

UPGRADE OPTIONS

Free — The Player & Customizer
Open and play MIDI files with powerful built-in customization tools. Includes instrument swapping with all 128 General MIDI sounds, custom SoundFont and DLS support, synchronized lyrics, audio effects, song section looping, visual themes, saved mixes with Snapshots, playlists, queue support, and a complete MIDI song library experience—all in a fast, focused, ad-free player.

Practice Pack — The Musician’s Upgrade
Unlock advanced practice and arrangement tools including real-time tempo control, key transposition, per-track mute, solo, and volume controls, plus MP3 audio and MIDI export for creating custom practice mixes, backing tracks, and arrangements.

MIDI Out — The Producer’s Upgrade
Route MIDI playback to external keyboards, synths, drum machines, DAWs, and professional music hardware over USB, Bluetooth, or Wi-Fi using CoreMIDI.

All Access — Everything, Once
Get the complete MIDI Opener experience with every upgrade included, plus discounted upgrade pricing if you already own another product.

FAST. FOCUSED. NO DISTRACTIONS.

Made for musicians who want control—not complexity.
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More data about MIDI Opener

Price Free to download
Rating 3.93 based on 85 ratings
Ranking Not ranked
Version 5.5
App download size 333.7 MB
Suitable for Everyone

Changelog of MIDI Opener

No changelog data

Developer information for MartianRover

MartianRover

Address: N/A

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App Store Rankings for MIDI Opener

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