Comparison

MIDI Opener vs File Conversion Tools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MIDI Opener

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.

Highlights
  • Visual MIDI playback
  • Tempo and key control
  • Advanced track controls
  • 128 General MIDI instruments
  • Built-in effects
  • Custom soundbanks
  • Synchronized lyrics
  • 3D visualizer
Features
Read full 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.

About

File Conversion Tools

This utility app allows users to convert a wide range of file types, including documents, music, eBooks, and images. It supports numerous target formats and offers advanced options like PDF password protection and metadata removal from images.

Highlights
  • Convert music to multiple audio formats
  • Convert documents to DOC, PDF, XLS, PPT, and more
  • Convert eBooks to EPUB, MOBI, PDF, and other formats
  • Lock and unlock PDFs with password protection
  • Convert documents to images
  • Remove image metadata including GPS data
Features
Read full description

The File Conversion Tool converts documents, songs, eBooks, and other files using the www.conversion-tool.com tools backend service. Web: https://www.conversion-tool.com ## Target formats ## - Convert music to: AAC, AIFF, FLAC, M4A, MP2, MP3, OGG, OPUS, RA, WAV, WMA. - Change the frequency of music, for instance from 440Hz to 432Hz. - Change the pitch and speed (tempo) of music independently. - Convert MIDI files to high quality MP3, WAV, and M4A. - Convert websites to PDF. - Convert documents to DOC, DOCX (Microsoft Word), ODT (Open Document Text), HTML, PDF, PPT, PPTX (PowerPoint), ODP (Open Document Presentation), RTF, TXT, XLS, XLSX (Excel), ODS (Open Document Spreesheet). - Convert eBooks to ARW, EPUB, FB2 (Hanlin), HTML, LIT, LRF (Sony), MOBI, OEB, PDB (Palm), PDF, PML, RB, RTF, SNB, TCR, TXT, and TXT compressed. - Lock PDFs (add password protection, add print/edit/annotation/copy protections). - Unlock PDFs. - Convert documents (doc, pdf, xls, etc.) to images (jpg, png, etc.). - Convert HEIC/HEIF images. - Remove EXIF/XMP and other metadata tags from images (including GPS location data).

Screenshots

MIDI Opener4 screens
File Conversion Tools3 screens

Verdict

The call

The clearest difference is review sentiment: MIDI Opener at 64% against File Conversion Tools's 17%. MIDI Opener also leads on rating (3.9 vs 2.0) and ratings volume (85 vs 7). File Conversion Tools's advantage is in-app purchases (none vs 13) and ads (none vs shown). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MIDI Opener sells 13 one-off in-app purchases. File Conversion Tools asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MIDI Opener holds the better App Store score, 3.9 against 2.0. That said, the two scores are not equally well evidenced: MIDI Opener has 85 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 64% of MIDI Opener's written reviews are positive against 17% of File Conversion Tools's.

UpkeepUpdate frequency

MIDI Opener ships an update every 10 days, File Conversion Tools every 3 weeks. The most recent releases landed on September 28, 2026 and September 3, 2026 respectively.

Scorecard8 real differences · 2 level
MIDI Opener versus File Conversion Tools: the parameters behind the verdict, then further details
ParameterMIDI OpenerFile Conversion Tools
PriceFreeFree
Rating3.9 (85 ratings) — better2.0 (7 ratings)
Positive reviews64.5% of reviews — better16.7% of reviews
Number of ratings85 — better7
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.610.0 — better
Further details — not scored
Size334 MB50 MB
Age rating4+4+
DeveloperMartianRover, LLCHarald Meyer

Customer experience

MIDI Opener

All ratings81 ratings
Positive72.8%
Neutral8.6%
Negative18.5%
Written reviews76 reviews
Positive64.5%
Neutral11.8%
Negative23.7%

File Conversion Tools

All ratings7 ratings
Positive28.6%
Neutral0.0%
Negative71.4%
Written reviews6 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

Bugs and requests

MIDI Opener

Reported bugs

15 issues
  • Sustained notes are treated as staccato notes.
  • Cuts off the beginning of the song.
  • Kicked out of the app when clicking on another SoundFont.
  • Crashes when changing SoundFonts (iOS 26).
  • Bass drum is too quiet for metal music.
Show 10 more
  • Changing key option breaks songs.
  • App crashes on startup.
  • Randomly playing a single track only.
  • Skipping individual notes when too many are playing.
  • New update not working, won't play audio or understand certain instruments.
  • Google Drive method does not work.
  • Download button does nothing.
  • Skips a lot of notes.
  • No sound, plays silence.
  • Scrolling bar with no sound.

Requested features

18 requests
  • Adjust individual track volumes
  • Zoom in/out
  • Select region to play
  • Export features (WAV, MP3, FLAC)
  • Playlist functionality
Show 13 more
  • Library structure with nested folders
  • AUV3 plug-in support
  • IAA with audio hosts
  • Switchable color schemes
  • Spectrum editor/video export
  • Save MIDI soundfiles as MP3
  • More SoundBanks
  • Tempo control
  • Transpose option
  • Custom SoundFont support
  • Local storage/in-app folder
  • Background play
  • Option to play once (no loop)

File Conversion Tools

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

MIDI Opener

One-time13
  • Tip$0.99
  • Full Upgrade Discount$0.99
  • Remove Ads$1.99
Show 10 more
  • Change Tempo$1.99
  • Change Tempo and Key$1.99
  • All Access Upgrade$2.99
  • Track Controls$2.99
  • Super Tip$4.99
  • MIDI Out$4.99
  • Practice Pack$4.99
  • Full Upgrade$4.99
  • Premium Upgrade$4.99
  • All Access$7.99
None

File Conversion Tools

No in-app purchases

Questions

Is MIDI Opener free?
MIDI Opener is free to download, with in-app purchases available.
Is File Conversion Tools free?
File Conversion Tools is free to download, with no in-app purchases.
Which has better reviews, MIDI Opener or File Conversion Tools?
MIDI Opener is rated higher. MIDI Opener averages 3.9 out of 5 from 85 ratings, while File Conversion Tools averages 2.0 from 7 ratings.
Do MIDI Opener or File Conversion Tools have ads?
MIDI Opener shows ads; File Conversion Tools does not.
Which is updated more often, MIDI Opener or File Conversion Tools?
MIDI Opener ships an update every 10 days, and File Conversion Tools every 3 weeks. Most recently, MIDI Opener was updated on September 28, 2026 and File Conversion Tools on September 3, 2026.

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