Sweet MIDI Player vs 4champ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sweet MIDI Player
This application allows users to play and edit MIDI files. It offers features like transposing, tempo changes, channel muting, and synchronized lyric display. Users can also manage playlists and utilize a built-in sound library.
- MIDI file playback
- MIDI file editing
- Tempo and transpose control
- Channel muting
- Synchronized lyric display
- Playlist management
- Built-in sound library
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Sweet MIDI Player is a MIDI player for not only auditioning all types of MIDI files, but for modifying the MIDI files themselves. Use its mixer-like interface to easily edit the control messages, transpose the music, change the tempo, mute desired MIDI channels, and save the end results to disk. View lyrics synchronized with the music (MIDI Karaoke files). It also includes a playlist function which allows you to create and manage playlists. Built in MIDI sound library with support for DLS/SF2 files. Support for CoreMIDI. Upload files using iTunes. This free version is limited to play the first 3/4 of a MIDI file. Software synthesizer engine licensed from bismark.jp
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 Sweet MIDI Player's 3.6. 4champ also leads on in-app purchases (none vs 1) and review sentiment (89% vs 62%). Sweet MIDI Player's advantage is iOS requirement (15.0 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. Sweet MIDI Player sells 1 one-off in-app purchase. 4champ asks for nothing beyond the download.
4champ holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 89 and 41 respectively. Written reviews point the same way: 62% of Sweet MIDI Player's written reviews are positive against 89% of 4champ's.
Sweet MIDI Player ships an update every 2 months, 4champ every 3 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.
| Parameter | Sweet MIDI Player | 4champ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (89 ratings) | 4.7 (41 ratings) — better |
| Positive reviews | 62.1% of reviews | 89.4% of reviews — better |
| Number of ratings | 89 — better | 41 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 8 MB |
| Age rating | 4+ | 12+ |
| Developer | Roni Music | Aleksi Sitomaniemi |
Customer experience
Sweet MIDI Player
4champ
Bugs and requests
Sweet MIDI Player
Reported bugs
3 issues- Crashes on iOS 14.2 with Bluetooth MIDI
- Loses track names when transferring files from iTunes
- Default instrument settings reset when switching songs
Requested features
5 requests- Add MIDI editing capabilities
- Implement more advanced MIDI controls (e.g., expression, program changes)
- Develop a dedicated MIDI file editor app
- Add looping and playback range selection features
- Improve soundfont management and support for multiple soundfonts
4champ
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sweet MIDI Player
- Upgrade to full version$14.99
4champ
No in-app purchases
