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MIDI Opener

4.11 • 33 Ratings
Free
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The essential MIDI audio player for iPhone and iPad * Open MIDI song files * Set tempo to desired BPM * Load custom SoundFont or DLS soundbanks * Play and control songs in the background while using other apps 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. Thanks for being a fan of this great format and MIDI Opener!
What’s New
- Fixed problem with bad soundbanks - Fixed autoplay issue
Version 3.4
Version History

App Privacy

The developer, MartianRover, LLC, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.

Ratings and Reviews

Ratings and reviews are verified
4.11
out of 5
33 Ratings
  • Nyonbjorn, 19.08.2021
    Don’t bother.
    Tried opening the files directly via link on a website and also tried downloading close to a dozen different midi files and this program didn’t make a peep.
  • Synthaholic, 06.08.2021
    No Settings
    There are no Settings where you can choose your external MIDI interface.
  • Protein Bar, 14.03.2021
    Good
    The app is simple, and straight to the point. It works well and works fast. The sound is awesome too.
  • Samuelitooooo, 04.06.2020
    Does its job; opening files inconvenient
    All I need is an app to access and play MIDI files from my Google Drive. (I can play my MP3 and other audio files directly from that app even offline, but not MIDI.) Awesome that this is free (well you get an ad at the bottom of the screen but it's not intrusive at all; no full-screen ads for sure). I can't find any other apps that are free. Accessing files is not a problem whatsoever and works perfectly fine. If I get my Google Drive files through the iOS Files app implementation that this app has, it has improved with iOS 13 as it remembers the folder I opened the file with and I don't have to start from my home folder every single time, which was annoying. The catch is that every time you want to listen to a MIDI file using that method, you have to download it every time. Granted, MIDI files are tiny, but are still considerably slow on a bad connection. On top of that, this method doesn't work when there is no connection at all. In the Google Drive app, you're able to make individual files available offline; I guess it saves the file somewhere in your iPhone's storage so you can open it whenever you want. So my offline workflow is: I have to navigate to my desired MIDI file through the Google Drive app and choose "Open with" every time. That's three taps and a swipe. But at least I have that option, and it works every time. In a previous review, I wrote about how some MIDI instruments don't sound as I expect and in fact sound horrible. Being an iPhone newbie, I originally thought this app was the problem. I was wrong. Other apps that play MIDI files (e.g. I use another that produces sheet music) sound the same exact way, so it's gotta be iPhone's fault. My main problem with this app in terms of performance is sometimes it skips individual notes if too many are playing. If I play the same song on that sheet music app (which mutes the percussion), the audio tears but the notes play. I guess I gotta pick my poison. For iPhone, this remains an essential for me. Show more
  • iiKinqLarry, 11.05.2020
    So easy
    Simple, easy, and free.
  • ChrisW2000, 21.02.2020
    It opens the files but...
    The instrument sounds are very off.
  • spotboxfilms, 29.12.2019
    SD card
    Can you make it so we can have custom sound font
  • Runpedalpaddle, 27.02.2019
    If only it had tempo control
    This would be all I need, except for the ability to change the tempo.
  • 7.62x51mm, 23.02.2019
    Cool
    My MuseScore midi files sound delightfully SNES-y! I unironically love it!
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Information

  • Category
    Music, Utilities
  • Age Rating
    4+
  • Price
    Free
  • Size
    332.84 MB
  • Provider
    MartianRover
Languages
Danish, Dutch, English, Finnish, France, German, Italian, Japanese, Korean, Russian, Simplified Chinese, Spanish, Swedish
Copyright
© 2004-2024 MartianRover, LLC. All rights reserved.