4champ3.15 - App Store

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.

Version History - Application UI state is persisted between launches (including radio play history)
- Added support for MusiclineEditor (ML) files
- Updated UADE and LibOpenMPT to recent version 3.15 May 22 - CarPlay support. You can now listen to 4champ radio and playlists in 4champ CarPlay UI
- Composer modules list sorting: Sort by name A-Z, Z-A or module id 1-9, 9-1 to get first and last added modules from a composer
- Switch between text modes in visualizer by swiping or using pagecontrol at the bottom of the view 3.14 Mar 27 Fixes crashing with certain MED files 3.13 Feb 26 - LibOpenMPT updated to recent version
- New setting for using Amiga resampler for MOD files
- Pattern visualisation on Now playing view 3.12 Jan 6 Small optimizations and bug fixes 3.11 07/01/2025 Support for module looping added. 3.10 03/04/2025 Social media links updated. 3.9 12/10/2024 New music visualiser added in the Now playing -view 3.8 09/23/2024 Start your own custom radio channel from search results 3.7 08/21/2024 - PreTracker (PRT) modules can now be played in the app (UADE upgrade)
- Bug fixes and improvements. 3.6 01/14/2024 4champ is now integrated with UADE - the Unix Amiga Delitracker Emulator. This means you can now play back old Amiga-only music formats like ArtOfNoise, SoundMon, JamCracker, MusicMaker and a number of others. 3.5 11/10/2022 Play history available when using 4champ radio. 3.4 11/02/2021 You can now import module files from local device, iCloud or network drives. 3.3 08/17/2021 LibOpenMPT updated to version 1.29.06
Small UI improvements 3.2 12/30/2020 * Small UI Improvements
* You can give a review for 4champ by tapping star icon on "About" tab 3.1 11/13/2020 After 2 years of hibernate, the update is finally here

- Player engine changed to use LibOpenMPT for more accurate playback
- HVL/AHX support using HivelyTracker replayer
- You can now search modules based on contained texts (sample/instrument names)
- Find more than 50 results - scrolling down the list will fetch more results
- Simple sample volume based music visualiser on the module info page
- Interpolation control on the settings 3.0.0 05/03/2020 - Crash bug fix for searches when no known module types are found
- Player engine changed to use LibOpenMPT for more accurate playback
- HVL/AHX support using HivelyTracker replayer
- You can now search modules based on contained texts (sample/instrument names)
- Find more than 50 results - scrolling down the list will fetch more results
- Simple sample volume based music visualiser on the module info page (you can turn this off to save battery but it is fun to watch)
- 3D touch supported in app icon - allows direct launch to radio channels
- Actionable notifications (start to play recent additions directly from the notification)
- Minor improvements + bug fixes 2.1.0 03/13/2020 Fix for startup crash problem on devices running iOS8.4 or older 2.0.2 08/14/2016 Minor improvements 2.0.1 08/09/2016 - The background play feature is now free (no in-app purchase needed)
- Now playing -footer view on all screens when a module is playing
- Module info view that shows the sample information from currently playing module. Access by tapping the now playing footer.
- Preview mode on search: When preview mode is on, downloaded modules are not stored permanently until saved/favorited.
- Bug fixes + minor improvements. 2.0 08/02/2016 New modules notification added. You can register for notifications on radio tab. This feature works on iOS8 and higher. 1.9 11/21/2015 minor bug fixes 1.8.1 08/04/2015 - Playlist mode switch - select sequential / shuffle play mode on playlist page for any playlist
- 4champ is now localised in five languages in addition to English: Finnish, Norwegian, Danish, German and Russian 1.8 07/25/2015 - First 64-bit build of 4champ
- All assets redone in vector format for smooth iPhone6 experience
- New launch screen
- Support for playlist renaming (long tap playlist name on select playlist view to rename)
- Bug fixes 1.7 01/10/2015 In-App Settings added to 4champ:
- Adjust stereo separation to your liking
- Apply effects in playback - megabass + surround enabled
- Choose how 4champ should clean up local collection on playlist resets
- Google analytics used to collect anonymous usage metrics data

Minor UI bugs ironed out
- Number of mods on playlist now clears when playlist is reset
- Radio tab shows next mod correctly also when switching tabs while radio on
- Playlist selector now shows currently playing list with play icon and tick mark for all the playlists that selected module is currently on. 1.6 11/14/2014