Hokusai 2

Classic wave editing for iOS

With Hokusai it’s easy to record or import audio, and make it sound awesome: not just trimming the ends, but full cut, copy, paste and delete, and a suite of filters and special effects.

Download on the App Store

Create a New Project

Tap the New Project button in the top-right of the screen to create a blank project.

New Project Button

Record Audio

In the Add New Track tray, tap the Record button*

Record New Track Button

The first time you do this, you’ll need to grant permission for Hokusai to access your microphone.

Once you do, a panel will pop up showing the current input level and a record/stop toggle. Record a few seconds of audio.

Recording Panel

Select Audio

Tap to select a moment in time. Drag out the selected moment to select a region of time.

Selecting Audio

Simple Editing

Basic commands are in the selection menu.

Selection Menu

Apply Effects

Tap “More…” to apply effects.

Effects Menu

If you like, you can add extra recordings. iTunes file sharing, the microphone, the built-in synthesisers, the clipboard, and cloud services such as iCloud, Dropbox or Google Drive are all sources of audio for Hokusai. You can add many tracks side-by-side, or mix them down.

Close & Select Project

Return to the Projects list and hold your finger down on the project to select it for sharing, or to delete or duplicate it.

Project Selection


Export your project:


Pick “Save To…” to store the finished audio on your device, or on a cloud services such as iCloud or Dropbox. Pick “Open In…” to send the audio to another app. Or pick one of the other sharing commands (you may find additional commands you can enable by tapping the More button).

And you’re done! A complete manual is also available — open the Tools menu and pick User Guide.