Comparison

MIDITrail vs 4champ

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

Head to head
About

MIDITrail

This application allows you to play MIDI files and experience their data through immersive 3D visualizations. Enjoy both auditory and visual playback of your music. It supports various MIDI formats and can even offer a virtual reality experience.

Highlights
  • 3D MIDI data visualization
  • Standard MIDI File support (format 0/1)
  • CoreMIDI and multiple MIDI port support
  • Virtual Reality (VR) experience option
  • Internal wavetable synthesizer
  • Support for external sound modules
Features
Read full description

MIDITrail is a MIDI player which provides 3D visualization of MIDI data sets. You can enjoy not only listening but also viewing. MIDITrail supports Standard MIDI File (format 0/1), CoreMIDI, and multiple MIDI ports. MIDITrail is available for Windows, macOS and iOS. Optional feature: You can enjoy the VR(virtual reality) experience using cheap VR glasses for smartphones and the game controller for iPhone. Requirements: iOS 12.0 or later (1) Preparing MIDI files You have to transfer MIDI files to your iOS device from Mac or PC. Connect your iOS device to Mac or PC, and launch iTunes. Then you can transfer MIDI files using 'File Sharing'. Or you can add MIDI files to MIDITrail using Files App of iOS. (2) Preparing Sound module You can use sound module which supports Core MIDI. And you can use internal wavetable synthesizer. There are three ways as shown below: The first way is to use the internal wavetable synthesizer. You have to transfer the wavetable file (DLS/SF2) to your iOS device in advance. The second way is to use Synth App which supports 'Virtual MIDI Port' and 'Background Mode'. (e.g., KQ Sampei, bs-16i, Sound Canvas for iOS) The third way is to connect MIDI interface device and external sound module. (e.g., CME U2MIDI Pro)

About

4champ

Access a vast Amiga music database, search by composer, group, or module name, and download tracks for offline playback. Create playlists and enjoy an endless stream of music with the built-in radio feature.

Highlights
  • Amiga music database access
  • Search by composer, group, module name
  • Download modules for offline playback
  • Build local module playlists
  • Amiga music radio stream
  • Search module internal texts
Features
Read full description

4champ connects you to the most comprehensive Amiga Music database in the internet, Amiga Music Preservation. You can do searches in the catalog by composer, group or module name, or module internal texts. Download mods for playback later offline and build playlists from your local modules. 4champ radio feature lets you listen to endless stream of music effortlessly. 4champ is also in Mastodon! Follow @4champ@mastodon.social for for news about app, forthcoming releases, service updates and other related stuff.

Screenshots

MIDITrail4 screens
4champ3 screens

Verdict

The call

The clearest difference is rating: 4champ at 4.7 against MIDITrail's 3.2. 4champ also leads on review sentiment (89% vs 57%). MIDITrail's advantage is iOS requirement (12.0 vs 17.6). On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

4champ holds the better App Store score, 4.7 against 3.2. Both are backed by a comparable volume of ratings — 81 and 41 respectively. Written reviews point the same way: 57% of MIDITrail's written reviews are positive against 89% of 4champ's.

UpkeepUpdate frequency

MIDITrail ships an update every 4 months, 4champ every 3 months. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
MIDITrail versus 4champ: the parameters behind the verdict, then further details
ParameterMIDITrail4champ
PriceFreeFree
Rating3.2 (81 ratings)4.7 (41 ratings) — better
Positive reviews57.2% of reviews89.4% of reviews — better
Number of ratings81 — better41
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size35 MB8 MB
Age rating4+12+
DeveloperWADA MasashiAleksi Sitomaniemi

Customer experience

MIDITrail

All ratings81 ratings
Positive48.1%
Neutral12.3%
Negative39.5%
Written reviews138 reviews
Positive57.2%
Neutral12.3%
Negative30.4%

4champ

All ratings40 ratings
Positive92.5%
Neutral0.0%
Negative7.5%
Written reviews47 reviews
Positive89.4%
Neutral2.1%
Negative8.5%

In-app purchases

None

MIDITrail

No in-app purchases

None

4champ

No in-app purchases

Questions

Is MIDITrail free?
MIDITrail is free to download, with no in-app purchases.
Is 4champ free?
4champ is free to download, with no in-app purchases.
Which has better reviews, MIDITrail or 4champ?
4champ is rated higher. MIDITrail averages 3.2 out of 5 from 81 ratings, while 4champ averages 4.7 from 41 ratings.
Do MIDITrail or 4champ have ads?
Neither MIDITrail nor 4champ shows ads.
Which is updated more often, MIDITrail or 4champ?
MIDITrail ships an update every 4 months, and 4champ every 3 months. Most recently, MIDITrail was updated on September 18, 2026 and 4champ on September 19, 2026.

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