MIDITrail vs 4champ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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)
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | MIDITrail | 4champ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (81 ratings) | 4.7 (41 ratings) — better |
| Positive reviews | 57.2% of reviews | 89.4% of reviews — better |
| Number of ratings | 81 — better | 41 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 35 MB | 8 MB |
| Age rating | 4+ | 12+ |
| Developer | WADA Masashi | Aleksi Sitomaniemi |
Customer experience
MIDITrail
4champ
In-app purchases
MIDITrail
No in-app purchases
4champ
No in-app purchases









