Replayer vs. AudioMass

  • AudioMass is a free, full-featured web-based audio (waveform) editing tool. It has various real-time effects as well as analyzer functions.
  • Replayer is a free media player, usable with prepared compilations of tracks, suited for rehearsals, practice and performance.
Replayer AudioMass
web.replayer.app_ audiomass.co_
Pricing Model Free Free
Track Library User-created User-created
Platform compatibility Web browsers on all major platforms, plus Android app Web browsers on all major platforms
Documentation Online available Welcome Message
Multi-track player not available yet only single-track
Own tracks usable? Yes (various formats) Yes (WAV, MP3)
Recording No Yes
Supports video? Yes No
Loop mode Yes Yes
Speed / Pitch changing No (except YouTube) Yes


  • AudioMass is a great tool for practicing single pieces, or parts thereof, at home. It's various editing features, including real-time EQ's and effects, plus it's analzers, can help work with or even improve an existing recording for practice.
  • Replayer is a great option if you just need cues and loops, from a pre-shared song library, to practice with.