4champ vs DefleMask Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
DefleMask Mobile
Create chiptune music for retro consoles and computers with this mobile tracker. It emulates soundchips accurately and allows export to real hardware. Connect MIDI devices and share your creations easily.
- Chiptune music production
- Soundchip emulation
- Export to real hardware
- MIDI device support
- Song and instrument sharing
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The best cross-platform chiptune tracker! Now with multiplayer support! Produce video game music for old school game-consoles and computers! In a tracker sound is produced by adding notes in a grid divided by channels, in which special effects can be added for each channel individually. For example you can make a vibrato, portamento and arpeggios with simple commands. There are different systems to choose, from 8 bits to 16 bits consoles, or even Arcade board chips! Check the full list below: - Genesis - Master System (+FM Sound Unit) - Game Boy - PCE - NES (+VRC7, +FDS) - C64 - Arcade - Neo Geo - MSX2 You can export your song in .vgm .wav and .rom formats and get the best quality for your amazing tunes ;) Features: Modular UI with an intuitive design. Realtime emulation of the hardware. Multiplayer support! Collab live with your friends! Built in instrument editor for FM, Wavetables and more. Switch between systems on the fly, port a NES tune to Genesis! Share projects between mobile and pc versions. 16 different global effects and dedicated effects for every chip. MIDI device support. Basic view to have a global view of the song. UI modes (select between desktop and touch mode). Export to .wav, .vgm or rom. 40 beautiful skins. 64 bits support MIDI: Velocity, Pitch Bend and more MIDI mappings New emulation cores Mobile build available for iOS! And more things waiting you to explore! Do you need some help starting making chiptune music? The manual that comes with this software is your friend! Also check our community on Discord to discover other artist and feel free to ask anything you need (except the meaning of life which is clearly 42). Also Youtube have a tons of artist sharing creations every week. System requirements: DefleMask runs everywhere! PC and even we have an iOS version too. You can export that song you have been working on and edit them on the go with DefleMask mobile or finish a tune you are making on the mobile version back in your PC.
Screenshots
Verdict
The clearest difference is price: 4champ at Free against DefleMask Mobile's $6.99. DefleMask Mobile's advantage is update cadence (fortnightly vs every 3 months) and chart position (#186 vs unranked). On rating, review sentiment, ratings volume 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
4champ is free to download; DefleMask Mobile costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
4champ holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 41 and 42 respectively. Written reviews point the same way: 89% of 4champ's written reviews are positive against 84% of DefleMask Mobile's.
4champ ships an update every 3 months, DefleMask Mobile fortnightly. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.
| Parameter | 4champ | DefleMask Mobile |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | 4.7 (41 ratings) — better | 4.5 (42 ratings) |
| Positive reviews | 89.4% of reviews — better | 83.8% of reviews |
| Number of ratings | 41 | 42 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #186 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 23 MB |
| Age rating | 12+ | 4+ |
| Developer | Aleksi Sitomaniemi | Leonardo Demartino |
Customer experience
4champ
DefleMask Mobile
In-app purchases
4champ
No in-app purchases
DefleMask Mobile
No in-app purchases









