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Hokusai Audio Editor

By Wooji Juice Ltd

This app is only available on the App Store for iOS devices.


Hokusai is a multitrack audio editor for iPhone, iPad or iPod touch. Record or import a track, and make it sound the way you want it to: not just trimming the ends, but full cut, copy, paste and delete, and a suite of filters and special effects available.

"Beautiful clutter-free interface" —

"Hokusai will convince you that audio was meant to be edited with a touch screen — it's just so natural within this app that you’ll find yourself consistently coming back to it." — iOS Music And You

Edit many tracks side-by-side, mix them together, and export to Wave or MP4 format — then transfer them to your computer, send them to another app on your device, or upload to cloud services.

Hokusai is streamlined to give you a clean, clear view of your tracks. Use the familiar pinch and swipe gestures to zoom right in and fiddle with fine detail, or step back to see the big picture. Select pieces of audio. Live "scrubbing" means you can hear the sound under your fingertip as you make your adjustments. And you needn't fear a bad edit with our full undo/redo support — even after closing your project.

Hokusai comes free with a set of useful tools such as fade in/out, normalise volume levels, reverse time, and basic synthesis. If you need more power, you can upgrade from inside the app to add new tools and effects, including: Per-track volume/mute/panning, selecting across multiple tracks at once, presets and favourites, grain synthesis, noise gating, time-stretching, pitch-bending, echo, reverb, modulation (AM & FM), resonance, distortion, grunge, vocal levelling, monster voice, high/low/band-pass/notch-cut filter and more — many of which can be previewed live.

What's New in Version 2.1.1

• Various small fixes and improvements.

Previously in v2.1:

New for paying customers:

• Set a tempo for your project, display beats instead of hours/minutes/seconds on the Time Bar, and snap selections to them.
• Ripple Tracks command automatically aligns the start of each selected track with the end of the previous one.
• Mini pan indicators for tracks that have been panned, but have been zoomed too small to fit the regular dial.

New for all users:

• Drag and Drop files between apps (requires iPad with iOS 11)
• Enhanced support for Apple Pencil
• Additional accessibility gestures.
• Various other small fixes and improvements.


iPhone Screenshot 1
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iPad Screenshot 1
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Customer Reviews

App Keeps Crashing after latest update!

I love this app, but after the update on/around October 7th, keeps crashing each time I try to mix down a song and randomly during the process. Please fix! (Update) developer was in contact with me, was able to identify the problem and will fix in the next update. Great service!

Something is going wrong!!!

I’ve been using this app to record podcasts for months now. Suddenly in the last couple weeks, I’m losing HUGE chunks of my recordings now. I recorded a 20 min segment, but my Hokusai says I only have 8:35. Why did this suddenly stop working?

iOS 11

Ever since iOS11, I haven’t been able to upload instrumentals using the Documents app, please find a fix!

Hokusai Audio Editor
View in iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Music
  • Updated:
  • Version: 2.1.1
  • Size: 35.2 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
All Versions:

Top In-App Purchases

  1. Hokusai 1 Pro Pack$9.99
  2. Hokusai 2 Pro Pack$9.99
  3. Hokusai 2 Pro Pack (Upgrade)$4.99