For free, use Wotja to create generative music, melodies, ideas and soundscapes. Use it for musical fun, inspiration, experimentation, relaxation and even sleep. As the Wotja 'experience' is generated live on your device you can use it offline, too!

• Create live & adaptive music, melodies, ideas & MIDI using generative and text-to-music techniques
• Experiment with generative music composition, sound design, soundscape mixing & scripting
• Generate & play beautiful ambient music for relaxation, reflection, meditation, sleep & mindfulness
• Make 'cut-up' text ideas for song lyrics, haiku, poetry & creative writing

"Masterpiece", "the best generative software that I have ever used", "Brilliant", "Extremely musical", "Deep and professional", "best MIDI composition tool", "Love Wotja!"

• 'Flow' for mix-after-mix of live relaxing music & melodies
• 'Add New' > Album (Automatic) for an album of mixes
• 'Add New' > Mix (Automatic) for an editable mix

• Create, edit, save & export mixes, albums, sound & FX networks, scripts & cut-up text
• 'Flow' mode for a succession of freshly generated mixes
• 'Randomization Schemes' to change the feel of automatic mixes (Flow, Albums etc.) & randomly select Sounds & FX
• 100s of gorgeous generative music templates & Sound/FX presets
• Built-in 'Calm' & 'Relax’ Albums of specially created relaxing music mixes
• Music Engine (IME) with 130+ parameters for generative (MIDI) music generation
• Sound Engine (ISE) with ’Macro Oscillator 1', a port of the popular open-source sound generator from Mutable Instruments, plus many other synth & FX units + presets
• IME 'Text-to-Music' capability for melody generation
• Wotja Script (ECMAScript AKA JavaScript) for programmatic control of parameters
• Support for MIDI In/Out, SF2, Dark/Light UI, iCloud etc.
• Mixdown recording to WAV, MIDI & Video
• Lots more...

• 'Free Mode' (Default, no subscription required): Music Play Time Timeout ('MPTT'), simply press play to restart - 10 mins for Built-in Albums 'Calm' & 'Relax', up to 10 mins for Flow/User Albums and 1 min for all Mix Editing modes; mixdown recording to audio/video only, max 30 seconds; Ch1 MIDI In/Out only; album editing restrictions etc.
• 'Pro' (In-App Subscription): 8 hours MPTT & unlocks multi-channel MIDI In/Out and all other limitations
• See our website for full details on Wotja Feature Sets

We have paid-for versions in the App Store, too!

Subscription Groups 1 and 2 are *independent* of each other.

Group 1: Feature Set
• $1.99 'Pro' - Unlocks the 'Pro' Feature Set

Group 2: Long Play ('LP')
An active LP Subscription will disable the Music Play Time Timeout (MPTT) for any Feature Set:
• $3.99 'LP Personal': MPTT: Disabled; Personal Use Only
• $9.99 'LP Biz 1': MPTT: Disabled; B1 Commercial Use

Subscription Info:
• Prices shown are for US region and may change from time to time.
• Each Subscription Period is 1 month, auto-renewing.
• Long Play tiers: Check EULA for permitted use.
• Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Subscriptions may be managed by the user & auto-renewal may be turned off by going to the user's Account Settings after purchase.

From a double BAFTA award-winning dev team, Wotja is the continued evolution of the legendary 'SSEYO Koan', Noatikl, Mixtikl, Liptikl & Tiklbox. It uses a combination of AI Techniques & heuristics we’ve been crafting for nearly 30 years.

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Something not working right? Please do get in touch via our Help Page 'Contact Us' options. Thank you!

What’s New

Version 19.7.8

FIXED: Documents screen User segment sort order for A-Z and Z-A is now case insensitive
FIXED: Yet more bugs squashed

P.S. Enjoying Wotja? Please help by updating your rating and review - it really helps!

Ratings and Reviews

4.4 out of 5
9 Ratings

9 Ratings

J. Summer ,

The Best

I'm really fond of this app. I use it in both simple and advanced ways. The sound quality is excellent. The sounds have a beautiful crystalline, digital quality that is clean, refined, and unique, better what most music apps can do. The obvious strength is endless ambient listening, but there are deep parameters and with a touch of creativity and inspiration one can use the platform as a jumping-off point for fascinating generative composition, especially if you have a mind to export midi into DAW projects. Thanks very much to the developers. A magical app! I hope they keep refining and updating it as they have now for such a long time. Unfortunately this app is one of a kind, and I say unfortunately because when it comes to generative platforms it's one - and probably the best - of only a few options that I’m aware of.

Developer Response ,

Thank you so much for your lovely review and kind words, they do mean a lot to us! We are very glad to hear you are enjoying Wotja and we will continue to keep evolving and improving it as a system. With best wishes, Tim and Pete


Intermorphic Limited
69.2 MB

OS X 10.11 or later, 64-bit processor


English, Japanese, Simplified Chinese

Age Rating
Rated 4+
© 2004-2019 Intermorphic Ltd.


  • Family Sharing

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

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