Oscillators
Analog character without the aliasing.
- Band-limited PolyBLEP oscillators
- Unison for wide, supersaw-style stacks
- 16-voice polyphony
- Poly, mono and legato modes with sustain-pedal support
Ladder Filter
The classic four-pole sound, ready to scream or purr.
- Zero-delay-feedback ladder, in tune right up the spectrum
- Snappy filter envelope, followed sample by sample
- Self-oscillates at full resonance
Step Sequencer
Write basslines and riffs on a piano roll, not with sliders.
- Piano-roll grid from C2 to C5: tap to place notes, drag to draw
- Per-step gate, slide, accent, probability and ratchet
- Swing and four play directions: forward, backward, ping-pong, random
- 40 ready-made sequences in classic bass and lead styles, plus your own
Arpeggiator
From classic up-and-down to rhythmic patterns.
- 11 patterns, including converge, diverge, pinky and chord
- 16-step rhythm mask: rests, ratchets and accents
- Swing and three velocity modes
- On-screen keyboard to play it without a MIDI controller
XY Pad & Clock
Two parameters under one finger.
- The XY pad drives any two parameters across their full range
- Bypass puts every value back where it was
- Master clock: host-locked in your DAW, tap tempo standalone
FX Rack
Seven effects on board — the patch is finished inside the synth.
- Drive (2× oversampled), chorus, delay, reverb
- Pump, compressor and 3-band EQ
- Soft-limited master — push it safely
Presets
A sound library that grows with you.
- 214 factory presets plus your own (.csva)
- Shared browser across the CurlySynth line
- Musical randomizer for happy accidents
MIDI & Control
Hands on everything.
- Right-click MIDI Learn on every control
- MIDI channel filter and host BPM lock for synced LFOs and delays
- Adjustable text size (80–130%) and a resizable window
FormatsAU · VST3 · Standalone app
PlatformsmacOS 11 or later · Universal (Apple Silicon & Intel)
iPadPlanned — App Store version with AUv3
RequirementsA 64-bit AU or VST3 host, or run it standalone
Presets214 factory presets + unlimited user presets
Sequences40 factory step sequences + your own
DeliveryInstant download via Lemon Squeezy — VAT and receipts handled at checkout
