AcidGroovebox: beat maker

Tap the dice and the drums, 303 bass and lead land in key. Fully offline, zero ads, no account. Unlock Pro once and keep it forever.

A pocket acid machine. 303-style bass, drum machine, lead and sample pads: a techno or house track in seconds, with no ads and no connection.

Tap the dice and the drums, bass and lead land in key, ready to be mangled. Never touched a synth before? Turn the knobs. You'll get it in 30 seconds.

ACID BASS • Cutoff, resonance, env mod, decay, accent and glide • Waveforms: saw, square, triangle (pro), PWM (pro) • Step sequencer with slides, accents and note length

DRUM MACHINE • 7 tracks: kick, snare, clap, hats, crash, ride • 3 velocity levels per step and swing • Live snare/clap rolls for fills • Double notes, your own samples and custom kits (pro)

ACID LEAD • 3-oscillator paraphonic synth with a snappy filter • Notes per step, chords, harmonic colours and glide • Macros: bite, decay, drive, spread, air, volume

LIVE FX • Hands-on filter on an X/Y matrix • Two assignable LFOs per instrument (pro) • Assignable reverb and delay (pro) • 12 or 32-step patterns, A/B switching (pro)

SAMPLE PADS • 1 pad you can record with the phone mic (3 in pro) • 3 pads for loading your own sounds (6 in pro) • Dedicated reverb, delay and beat repeat for the pads (pro)

YOUR TRACKS STAY YOURS • Save, load, export and import your sets • Bounce your loops to audio to share them • 100% offline: no account, no cloud

WHY ACID GROOVEBOX • Zero ads. Actually zero. • No subscription: unlock Pro once, keep it forever • Everything runs on your phone, on a plane or at a festival

Home-studio producer, 303 obsessive, techno head or just curious about beatmaking: Acid Groovebox turns an idea into a groove in seconds.

Acid Groovebox is built by one independent developer, with no ads and no investors. If you want to support it: unlock Pro and tell your friends.