Upload audio files by iTunes File Sharing or by Document Interaction, or create recordings with the app's built-in audio recorder. Play or save the files with added reverb. Use play through mode or Audiobus for realtime reverberation. The reverb can be created by an iOS Audio Unit or by the app's convolution reverb engine (iPad 4 or better is recommended for realtime usage). In-app purchases: MIDI Control for controlling some functions of the app by MIDI messages. Preset Buttons for selecting presets by tapping buttons which can be decorated with text or images. Audio Unit for using the convolution reverb as an AUv3 app extension.

What’s New

Version 6.6

Stability improvements and some iOS 13 adaptions.

Ratings and Reviews

5.0 out of 5
8 Ratings

8 Ratings

Couchinator ,

AUv3 Convolution is here!

Congrats to the dev on releasing this much needed functionality. Now we have an AUv3 IR loader - bringing convolution reverb and amp sim IRs into the future with AUv3, allowing for more flexible setups and guarding against the deprecation of IAA. Thanks a lot!

jkorchok ,

Still Works With iPad1!

Thanks to Markus for his continued support of older hardware. I'm still getting lots of use from my old iPad. Much appreciated,

anickt ,

This is great!

Using in NanoStudio 2. Works and sounds awesome! Definite keeper!


Markus Sigg
7.5 MB

Requires iOS 9.3.5 or later. Compatible with iPhone, iPad, and iPod touch.


English, German

Age Rating
Rated 4+
© Markus Sigg
In-App Purchases
  1. Convolution Reverb
  2. MIDI Control $1.99
  3. Preset Buttons $1.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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