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Hokusai 2

Classic wave editing for iPhone and iPad

View on App Store
  • Overview
  • Features
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In & Out

  • Record with built-in mic, line in, USB or Lightning1

  • Optional recording monitoring (with headphones connected)

  • Recording input gain control13

  • Transfer audio to, and share from your device via USB, iCloud, Dropbox or other services

  • Import tracks from your iPod music library2

  • Import from Wave .wav, Core Audio .caf, .aiff, MPEG .mp3, .m4a and .aac files

  • Export to uncompressed (.wav) or compressed (.aac/.m4a) files

  • Export multi-track projects as a .zip file archive of individual track audio files (“stems”)3

  • Exchange audio with other iOS apps via AudioCopy/AudioPaste3 and “Open In…”

  • Drag and Drop audio in and out between Hokusai and other apps4

Mix & Merge

  • Convert between mono & stereo

  • Split & merge stereo tracks to edit left/right channels separately

  • Mix multiple tracks down to one

  • Reorder tracks within a project

  • Select and edit across multiple tracks at once3

  • Set volume and panning for each track3

Filters & FX

Many effects support live preview: instantly hear changes in settings.

Save your favourite settings to reuse later3

Basic filters:

  • Fade in/out

  • Gain, Normalise

  • Reverse

  • Silence

  • Generate white noise

  • Synthesise sine/square/triangle/sawtooth waves

Additional filters and tools:3

  • Autopan

  • Bit Crusher

  • Chorus

  • Click Track

  • DC Offset

  • Depop/Seam Welder

  • Digital Echo

  • Expand/Shrink Selection

  • Fix Signed/Unsigned

  • Flanger

  • Frequency Boost

  • Frequency Filter

  • Fuzz Box

  • Gain Compressor

  • Gramophone FX

  • Hard Limiter

  • Invert Signal

  • Loop and Soften Loop

  • Mid Channel Isolation/Reduction

  • Mid/Side Decoding

  • Modulation (AM & FM)

  • Monster Voice FX

  • Noise Gate

  • Noise Reduction

  • Peak Limiter

  • Phaser

  • Pitch Bend

  • Pitch Shift (with or without time independence)

  • Resonance

  • Ripple Tracks

  • Reverb

  • Ripple Tracks

  • Stereo Spatialise

  • Synthesise Chaotic Grains

  • Time Stretch (with or without pitch independence)

  • Vocal Levels Smoother


  1. Where supported by your device. USB devices require the use of Apple Camera Connection Kit or Lightning to USB Camera Adapter. ↫

  2. Copy-protected tracks cannot be imported. Tracks must be downloaded to your device, not “cloud” tracks. ↫

  3. Requires in-app purchase. ↫

  4. Drag and Drop requires iOS 11 or later. Apple currently only allows Drag and Drop between apps on iPad. ↫

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