Sphere is an easy to use and free reverb plugin that can add depth and live to any sound material.
The reverb is based on a modified Schroeder reverberator with added predelay and supports stereo channels only.
The plugin UI has been created using vector graphics and supports blur free resizing.



  • Simple controls for reflection, damping and width of the room
  • Predelay with up to 250 ms with optional filtered feedback path
  • Separate dry and wet levels

Sound Demo

This short demo demonstrates the sound capabilities of Sphere. The sound plays dry for 8 bars, then with Sphere added. Apart from a limiter on the master, no additional effects have been used.


Windows: Windows 8 or higher, 64bit host
Mac: macOS 10.11 (El Capitan) or higher, 64bit host. macOS 10.15 (Catalina) and 11 (Big Sur) is supported


Download (V1.3)

This download is free, no strings attached.


Version 1.3

  • Fix: Support for macOS Big Sur has been added.
  • Fix: The graphic library has been updated, which improves compatibility with many DAWs.
  • Add: Multitouch support has been added on Windows.

Version 1.2

  • Fix: In Reason (both Win and macOS) when the plugin UI was opened and the plugin was removed, the plugin crashed. This has been fixed.

Version 1.1

  • Fix: In several DAWs when the plugin was deactivated and then again activated there was an initialization bug. The default settings were applied instead of the current settings. This has been fixed.

Version 1.0

  • Initial release