MATRIXSYNTH: Celestine for iPad: My real‑time granular device is now an AUv3

Monday, October 12, 2026

Celestine for iPad: My real‑time granular device is now an AUv3


video upload by ijo audio

ijo audio also brought us Polycrush 16 - 8-bit synthesizer for Ableton Live

"Celestine is a real-time granular AUv3 audio effect for the iPad. It's always listening and always spitting out grains. If you've been following my channel for some time, you'll know that Celestine started out as a Max4Live device... my most successful one to date. Many people have asked for it to be ported to other platforms and this marks the beginning of that journey. I've spent the last few months on this. I've also got future plans to release Celestine as a VST3/AU for other desktop DAW users.

Just like the original, this iPad version aims for the immediacy of a pedal and the depth of a granular instrument. There are eight granular modes: classic Grain clouds, Mosaic’s harmonic tiles, Glide’s tape‑like swoops, Reverie’s reverse washes, Bloom’s halos, Tide’s pulsing waves, Stars’ sequenced sparkles and Orbit’s swirling stereo motion. Everything stays tempo‑locked when you want it to in Sync mode, the (now touch-based) visualizer lets you perform playhead and pitch gestures on the fly, and the grain panel offers control over density, size, spray, jitter, reverse probability and more.

To shape the final output, Celestine includes a 'Magic panel' of various multi-FX to sweeten things, a lush reverb and a Dirt section with wavefolding and a bitcrusher. Use Celestine as an insert effect and set the dry/wet to taste or put it fully wet on a send to let fragments of your entire session bloom into shimmering clouds. I’ve found it shines on vocals, guitars, synths and pianos, but percussion can turn into glittering glitches and rhythmic sparkles too. I've also added undo/redo, a full preset system and a constrained randomizer to jump to new ideas quickly.

As I mentioned, I’m planning future releases for VST3/AU on desktop, so this is just the beginning of Celestine’s journey. For now, I hope you enjoy sculpting sounds on the couch, in the bathtub or wherever you like to use your iPad. :)

Celestine for iPadOS has an introductory price of $5.99 USD for the first two weeks and then will jump up to $9.99.

Celestine on the App Store

Also, I've recently started up a Discord server and while it's still small, I'd love for you to join and come say hi. I love the community that has built around my work and if we can find new ways to connect, it would be great. Join it here: / discord

#Celestine #AUv3 #iPadMusic #GranularSynthesis #Ambient #SoundDesign #MusicProduction #iOSMusic #AudioEffects #iosmusicproduction"

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