MIDI Opener
The essential MIDI player
FreeOffers In-App Purchases
4.2.3for iPhone, iPad
Age Rating
MIDI Opener Screenshots
About MIDI Opener
MIDI Opener: The Ultimate MIDI Player Experience
Discover the new standard in MIDI playback with MIDI Opener, the most advanced and user-friendly free MIDI player available on the App Store. This latest version has been meticulously redesigned from the ground up to provide you with an unparalleled MIDI experience.
Key Features:
* All-New User Interface: Enjoy a sleek, modern UI that displays every note in each track of your song, making it easy to follow along and visualize the music.
* Change Tempo and Key (Upgrade available): Set the playback rate using convenient presets or choose any BPM you desire. Change the song's key a semitone or an octave at a time.
* Enhanced Track Controls (Upgrade available): Take full control of your music with the ability to mute or solo any track in the song. Customize your listening experience and focus on the parts you love the most.
* 128 General MIDI Instruments: Experiment with each track's instrument by choosing from a wide selection of 128 General MIDI instruments, giving your music a unique and personalized touch.
* 4 built-in effects: Customize your listening experience even further with reverb, delay, distortion and equalizer effects.
* Custom SoundFont or DLS Soundbanks: Add your own soundbanks.
* Synchronized lyrics: Sing along to songs that include lyrics.
* 3D visualizer: View the song's tracks and notes in 1980's synthwave style.
* Bundled sample song: All upgrades are enabled for the app's bundled song which you can load by tapping the logo or from Settings. This song is available to help you get started and explore the app's capabilities.
Transform the way you enjoy MIDI music with MIDI Opener 4.0. Download now and unlock a world of creative possibilities and endless musical enjoyment.
Where to find MIDI files and soundbanks:
Tap the Safari browser button in the app or go to www.martianrover.com/midi-opener for a list of popular MIDI sites.
How to open files from the web:
After installing the app you will be able to open files downloaded from the web. Select the file and choose "Open in MIDI Opener" or "Open in...", then select MIDI Opener from the list of apps.
How to open files from the cloud:
Tap the folder icon to browse files in iCloud, Dropbox, Google Drive, etc. Note that the Dropbox or Google Drive app must be installed and iCloud must be configured in your device Settings first.
For technical support or inquiries, please visit our website or contact our support team.
Discover the new standard in MIDI playback with MIDI Opener, the most advanced and user-friendly free MIDI player available on the App Store. This latest version has been meticulously redesigned from the ground up to provide you with an unparalleled MIDI experience.
Key Features:
* All-New User Interface: Enjoy a sleek, modern UI that displays every note in each track of your song, making it easy to follow along and visualize the music.
* Change Tempo and Key (Upgrade available): Set the playback rate using convenient presets or choose any BPM you desire. Change the song's key a semitone or an octave at a time.
* Enhanced Track Controls (Upgrade available): Take full control of your music with the ability to mute or solo any track in the song. Customize your listening experience and focus on the parts you love the most.
* 128 General MIDI Instruments: Experiment with each track's instrument by choosing from a wide selection of 128 General MIDI instruments, giving your music a unique and personalized touch.
* 4 built-in effects: Customize your listening experience even further with reverb, delay, distortion and equalizer effects.
* Custom SoundFont or DLS Soundbanks: Add your own soundbanks.
* Synchronized lyrics: Sing along to songs that include lyrics.
* 3D visualizer: View the song's tracks and notes in 1980's synthwave style.
* Bundled sample song: All upgrades are enabled for the app's bundled song which you can load by tapping the logo or from Settings. This song is available to help you get started and explore the app's capabilities.
Transform the way you enjoy MIDI music with MIDI Opener 4.0. Download now and unlock a world of creative possibilities and endless musical enjoyment.
Where to find MIDI files and soundbanks:
Tap the Safari browser button in the app or go to www.martianrover.com/midi-opener for a list of popular MIDI sites.
How to open files from the web:
After installing the app you will be able to open files downloaded from the web. Select the file and choose "Open in MIDI Opener" or "Open in...", then select MIDI Opener from the list of apps.
How to open files from the cloud:
Tap the folder icon to browse files in iCloud, Dropbox, Google Drive, etc. Note that the Dropbox or Google Drive app must be installed and iCloud must be configured in your device Settings first.
For technical support or inquiries, please visit our website or contact our support team.
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What's New in the Latest Version 4.2.3
Last updated on Jun 6, 2023
Old Versions
* QuickLook preview: From the Files app you can now see a song's info with a handy preview.
* Reduced ad placement
* Performance improvements
* Bug fixes
* Reduced ad placement
* Performance improvements
* Bug fixes
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Version History
4.2.3
Jun 6, 2023
* QuickLook preview: From the Files app you can now see a song's info with a handy preview.
* Reduced ad placement
* Performance improvements
* Bug fixes
* Reduced ad placement
* Performance improvements
* Bug fixes
4.2.2
May 23, 2023
Improved stability and sound quality. Re-enabled pretty background colors. Please get in touch if you experience issues with any MIDI files or sound banks.
4.2.1
May 17, 2023
Crash recovery — some combinations of MIDI files and soundbanks are not yet supported.
4.2
May 7, 2023
TLDR: Synchronized lyrics, 3D visualizer, bug fixes, new app icon
Welcome to the latest update of MIDI Opener! We've been hard at work making your MIDI experience even more enjoyable, and we're excited to introduce version 4.2. In addition to bug fixes, this update brings you some amazing new features that we believe will elevate your music journey, all at no additional cost. Plus there’s a new app icon.
NEW FEATURES
Lyrics Synced with Music:
Sing along with your favorite tunes! Our newly integrated lyrics feature allows you to view and follow the lyrics in real-time as the music plays. No need to search for lyrics elsewhere, it's all right here in MIDI Opener.
3D Note Visualizer:
Immerse yourself in your music like never before with our stunning new 3D Note Visualizer. Watch the notes flow in a captivating 3D environment, giving you a fresh perspective on your favorite MIDI tracks.
IMPORTANT BUG FIXES
Key Transpose Reset:
We've listened to your feedback and resolved an issue with key transposition. Now, when you load a new song, the app will automatically reset to the original key of that song, as expected.
Crashes:
Overall stability has been greatly improved.
At MIDI Opener, we always strive to provide you with the best possible experience. We hope that these new standard features will make your music exploration even more enjoyable. Please continue to share your feedback, and we'll keep working to make the app even better.
Happy listening and singing!
Welcome to the latest update of MIDI Opener! We've been hard at work making your MIDI experience even more enjoyable, and we're excited to introduce version 4.2. In addition to bug fixes, this update brings you some amazing new features that we believe will elevate your music journey, all at no additional cost. Plus there’s a new app icon.
NEW FEATURES
Lyrics Synced with Music:
Sing along with your favorite tunes! Our newly integrated lyrics feature allows you to view and follow the lyrics in real-time as the music plays. No need to search for lyrics elsewhere, it's all right here in MIDI Opener.
3D Note Visualizer:
Immerse yourself in your music like never before with our stunning new 3D Note Visualizer. Watch the notes flow in a captivating 3D environment, giving you a fresh perspective on your favorite MIDI tracks.
IMPORTANT BUG FIXES
Key Transpose Reset:
We've listened to your feedback and resolved an issue with key transposition. Now, when you load a new song, the app will automatically reset to the original key of that song, as expected.
Crashes:
Overall stability has been greatly improved.
At MIDI Opener, we always strive to provide you with the best possible experience. We hope that these new standard features will make your music exploration even more enjoyable. Please continue to share your feedback, and we'll keep working to make the app even better.
Happy listening and singing!
4.1
Apr 13, 2023
Version 4.1 Update Release Notes
Summary of Version 4.0:
MIDI Opener 4.0 was a major update that introduced a completely rebuilt app with a new UI, displaying all notes in each track of the song. This version also brought the ability to mute or solo any track, change each track's instrument, and adjust the tempo. The app now comes bundled with a free song for users to explore the new features.
What's New in Version 4.1:
Key Transposition Feature: We've added a new key transposition feature, available in the Change Tempo upgrade, Full Upgrade, and Discounted Full Upgrade. Easily change the song's detected key a semi-tone at a time or up to three octaves in either direction.
Bug Fixes & Performance Optimization: We've addressed several bugs and improved the overall performance of the app for a smoother user experience.
Enhanced Graphic Equalizer: The graphic equalizer now features the ISO standard 10 frequency bands, allowing for more precise control over your audio.
Bundled Song Access: Tapping the logo in the upper left corner of the app now loads the bundled song with all upgrades enabled for free. Enjoy testing out all the app's expressive capabilities!
Sound Effects Feature: We'd like to remind our users that the sound effects feature is available to everyone on every song, allowing you to get creative with your music.
Update to MIDI Opener 4.1 today and experience the new key transposition feature, enhanced graphic equalizer, and more. As always, we appreciate your support and feedback. Happy music-making!
Summary of Version 4.0:
MIDI Opener 4.0 was a major update that introduced a completely rebuilt app with a new UI, displaying all notes in each track of the song. This version also brought the ability to mute or solo any track, change each track's instrument, and adjust the tempo. The app now comes bundled with a free song for users to explore the new features.
What's New in Version 4.1:
Key Transposition Feature: We've added a new key transposition feature, available in the Change Tempo upgrade, Full Upgrade, and Discounted Full Upgrade. Easily change the song's detected key a semi-tone at a time or up to three octaves in either direction.
Bug Fixes & Performance Optimization: We've addressed several bugs and improved the overall performance of the app for a smoother user experience.
Enhanced Graphic Equalizer: The graphic equalizer now features the ISO standard 10 frequency bands, allowing for more precise control over your audio.
Bundled Song Access: Tapping the logo in the upper left corner of the app now loads the bundled song with all upgrades enabled for free. Enjoy testing out all the app's expressive capabilities!
Sound Effects Feature: We'd like to remind our users that the sound effects feature is available to everyone on every song, allowing you to get creative with your music.
Update to MIDI Opener 4.1 today and experience the new key transposition feature, enhanced graphic equalizer, and more. As always, we appreciate your support and feedback. Happy music-making!
4.0
Apr 3, 2023
Introducing MIDI Opener 4.0: Revolutionizing the MIDI player experience with all new track controls (mute, solo, change instrument) and effects (reverb, delay, distortion and equalizer).
Prepare to be dazzled by the latest and greatest version of MIDI Opener, the ultimate free MIDI player app that has taken the App Store by storm. Today, we're thrilled to announce the launch of MIDI Opener 4.0, a complete overhaul of the app, jam-packed with exciting new features designed to elevate your MIDI experience to unprecedented heights.
With a sleek, all-new user interface, MIDI Opener 4.0 now showcases every note in each track of your favorite songs, offering an immersive and visually stunning listening experience. But that's not all! This groundbreaking update also introduces a premium upgrade option that allows users to mute or solo any track in a song, providing full control over the composition and letting you tailor the music to your preferences.
Feeling creative? MIDI Opener 4.0 lets you unleash your imagination by giving you the power to change each track's instrument from a diverse selection of 128 General MIDI instruments. Customize your music like never before, and bring your favorite songs to life in entirely new ways with four effects filters: reverb, delay, distortion and equalizer.
To help you explore the app's groundbreaking features, MIDI Opener 4.0 comes bundled with a specially crafted song that demonstrates the full potential of the new track controls and adjustable tempo. This song loads by default if you haven’t loaded a song yet, and can be accessed at any time through the app’s Settings screen.
Don't miss out on the MIDI revolution! Download MIDI Opener 4.0 from the App Store today and experience the future of MIDI playback at your fingertips.
About MIDI Opener:
MIDI Opener is a cutting-edge, free MIDI player app that has transformed the way users interact with and enjoy MIDI music. Offering a range of customizable features and an intuitive interface, MIDI Opener has quickly become the go-to choice for MIDI enthusiasts worldwide.
Prepare to be dazzled by the latest and greatest version of MIDI Opener, the ultimate free MIDI player app that has taken the App Store by storm. Today, we're thrilled to announce the launch of MIDI Opener 4.0, a complete overhaul of the app, jam-packed with exciting new features designed to elevate your MIDI experience to unprecedented heights.
With a sleek, all-new user interface, MIDI Opener 4.0 now showcases every note in each track of your favorite songs, offering an immersive and visually stunning listening experience. But that's not all! This groundbreaking update also introduces a premium upgrade option that allows users to mute or solo any track in a song, providing full control over the composition and letting you tailor the music to your preferences.
Feeling creative? MIDI Opener 4.0 lets you unleash your imagination by giving you the power to change each track's instrument from a diverse selection of 128 General MIDI instruments. Customize your music like never before, and bring your favorite songs to life in entirely new ways with four effects filters: reverb, delay, distortion and equalizer.
To help you explore the app's groundbreaking features, MIDI Opener 4.0 comes bundled with a specially crafted song that demonstrates the full potential of the new track controls and adjustable tempo. This song loads by default if you haven’t loaded a song yet, and can be accessed at any time through the app’s Settings screen.
Don't miss out on the MIDI revolution! Download MIDI Opener 4.0 from the App Store today and experience the future of MIDI playback at your fingertips.
About MIDI Opener:
MIDI Opener is a cutting-edge, free MIDI player app that has transformed the way users interact with and enjoy MIDI music. Offering a range of customizable features and an intuitive interface, MIDI Opener has quickly become the go-to choice for MIDI enthusiasts worldwide.
3.4
Oct 24, 2022
- Fixed problem with bad soundbanks
- Fixed autoplay issue
- Fixed autoplay issue
3.3
Oct 23, 2022
Use your own soundbanks (SoundFont and DLS)!
Find .sf2 and .dls files at the website:
https://martianrover.com/midi-opener#soundbanks
Find .sf2 and .dls files at the website:
https://martianrover.com/midi-opener#soundbanks
3.2
Oct 19, 2022
* Convenient BPM presets
* Discounted full upgrade if you've already purchased an upgrade
* Discounted full upgrade if you've already purchased an upgrade
3.1
Oct 16, 2022
Improvements
* Autoplay option
* Song title uses file name
* Elapsed and remaining times
* Many language translations
* Bug fixes
* Autoplay option
* Song title uses file name
* Elapsed and remaining times
* Many language translations
* Bug fixes
3.0
Sep 19, 2022
Major update with new features, fixes and redesign!
* Now you can purchase upgrades to remove ads or change playback tempo.
* Dark mode!
* Support for older devices including iPad Mini 2nd generation
* Song name is displayed on screen
* Open website directly from app so that you can find MIDI files and contact us
Your comments are being heard! Please use the contact form or add an app review with feature requests.
* Now you can purchase upgrades to remove ads or change playback tempo.
* Dark mode!
* Support for older devices including iPad Mini 2nd generation
* Song name is displayed on screen
* Open website directly from app so that you can find MIDI files and contact us
Your comments are being heard! Please use the contact form or add an app review with feature requests.
2.0
Jun 6, 2020
* Dramatically improved sounds.
* Offline support: saves last played song for convenient replay.
Thanks for using MIDI Opener!
* Offline support: saves last played song for convenient replay.
Thanks for using MIDI Opener!
1.5
Jan 23, 2018
Updates for iOS 11
1.4.1
Mar 18, 2017
Version 1.4.1:
* Fixed iOS 10 problem opening files from other apps
Version 1.4:
* Loop button controls playback repeat
Version 1.3:
* Sound plays in background when you leave the app or lock device
* You can control playback from the lock screen and control center
* Fixed iOS 10 problem opening files from other apps
Version 1.4:
* Loop button controls playback repeat
Version 1.3:
* Sound plays in background when you leave the app or lock device
* You can control playback from the lock screen and control center
1.4
Mar 16, 2017
Version 1.4:
* Loop button controls playback repeat
Version 1.3:
* Sound plays in background when you leave the app or lock device.
* You can control playback from the lock screen and control center.
* Loop button controls playback repeat
Version 1.3:
* Sound plays in background when you leave the app or lock device.
* You can control playback from the lock screen and control center.
1.3.1
Feb 7, 2017
Version 1.3:
* Sound plays in background when you leave the app or lock device.
* You can control playback from the lock screen and control center.
Version 1.3.1:
* Bug fixes
* Sound plays in background when you leave the app or lock device.
* You can control playback from the lock screen and control center.
Version 1.3.1:
* Bug fixes
1.3
Feb 6, 2017
* Sound plays in background when you leave the app or lock device.
* You can control playback from the lock screen and control center.
* You can control playback from the lock screen and control center.
1.2
Oct 7, 2015
Play MIDI files alongside Safari with iOS 9 Split View and Slide Over support. Additionally, the MIDI track will repeat playback after completion.
1.0
Sep 17, 2015
MIDI Opener FAQ
Click here to learn how to download MIDI Opener in restricted country or region.
Check the following list to see the minimum requirements of MIDI Opener.
iPhone
Requires iOS 16.0 or later.
iPad
Requires iPadOS 16.0 or later.
MIDI Opener supports English, Czech, Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Russian, Simplified Chinese, Spanish, Swedish
MIDI Opener contains in-app purchases. Please check the pricing plan as below:
Track Controls
$1.99
Change Tempo & Key
$1.99
Remove Ads
$1.99
All Upgrades
$2.99
Discounted Full Upgrade
$0.99
Change Tempo
$1.99
Premium
$2.99
Tip
$0.99
Super Tip
$4.99
Related Videos
Latest introduction video of MIDI Opener on iPhone