Replayer vs. TimeStretch Audio Player

  • TimeStretch Audio Player is an audio player aimed at musicians and singers. It's main feature is stretching and pitch-shifting of recorded music. This allows for practicing to playback music in a different key or tempo than the original recording.
  • Replayer is a free media player, usable with prepared compilations of tracks, suited for rehearsals, practice and performance.
Replayer TimeStretch Audio Player 29a.ch_timestretch
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 Online available
Multi-track player not available yet only single-track
Own tracks usable? Yes (various formats) Yes
Recording No No
Supports video? No (planned) No
Loop mode Yes Yes
Speed / Pitch changing No Yes


  • TimeStretch Audio Player is a great tool for practicing single pieces at home. It's especially useful for musicians using the stretch and loop mode, to learn difficult parts of a piece.
  • Replayer is a great option if you have a song library of your own, to practice with.