Jolt Groovebox

Jolt is a mobile beat machine, designed for building percussive grooves and electric melodies

Inspired by modular synthesizers and hardware grooveboxes

Designed and built for iOS

Pocket beats, massive sound

Jolt was designed from the ground up to be the mobile beat station that you keep coming back to.

8 voices, each with their own step sequencer, per-section/per-sequence automation, per-instrument LFOs.

Samples or synths, you choose

Each voice can play any built-in instrument per step

Mix multiple instruments into a single pattern

Classic Synth

Wavetable synth with 4 modes: spread, 2-op FM, paraphony, in-scale chords

Macro Synth

16 sub-synths based on a classic Eurorack module

Sampler

Pitched or slicing sampler, old-skool repitching, per-step reversing, mic recording, mp3/wav loading

Drum Synth

Simple x0x-style percussion synth, for hi-hats, snares, or heavy kicks

Effect Chain

Any instrument can have any number of effects in any order

Overdrive

Crushing distortion for leads or drums.

Saturator

Warmth or heavy saturation.

Chorus

Shimmering pads, bubbling basses.

Filter

4-stage ladder or resonant SVF (LP/HP/BP), with mod envelope.

Band/EQ

4-band EQ or custom band shaping.

Erode

Grainy lo-fi textures.

Bitcrush

Old-school bit-depth reduction.

Sample Rate Reduction

Lower the sample rate for gritty textures.

Phaser

Movement for pads or bass.

Gater

16-step synced gate for stutters or trance-gates.

Stereo Pan

Stereo width and panning control.

Send effects

Each instrument can be sent to global FX

Reverb

Classic plate, short to long tails.

Delay

Synced with ping-pong & feedback.

Multi-tap

8-tap rhythmic delay.

Sidechain

Kick-based sidechain for pumping or space.

Global Effect Macros

Up to 5 macro controls for one-touch build-ups & breakdowns.

Modulate and automate everything

All instrument and global FX parameters can be automated with multi-source modulation.

Per-instrument LFO

Sine, ramp, random, freely assignable.

Pattern automation lane

Draw synced automation tied to instruments.

Song automation lane

Bar-to-bar automation or real-time fader overrides.

Explore, sequence, jam

Build patterns up to 64 steps: programmed, MIDI input, or generative

Chain patterns into songs with automation

Jam in performance mode with live parameter control