BETONBOX: Beat Maker Drum

Offline drum machine + synth. Real synthesis, Turkish rhythms, 17 styles, free.

BETONBOX is a pocket drum machine with a concrete, brutalist face and a serious engine behind it. Every sound is synthesized in code on your phone — no sample packs, no downloads, no account, no internet. Open it and make a beat.

COMPLETELY FREE
No ads. No subscriptions. No in-app purchases. Nothing locked.

THE GRID
• 16-step sequencer, 10 drum channels
• Kick, snare, clap, hi-hat, open hat, tom, cowbell, crash — plus darbuka DUM and TEK
• Two kits: BETON (acoustic-style) and 808
• Accent, mute, solo, lock, per-track volume, pan and tune
• Odd meters: 4/4, 9/8, 7/8, 5/8, 6/8

MAKE SOMETHING IN ONE TAP
• DRUMS — a random groove from 17 hand-written styles: house, boom bap, trap, breaks, funk, drum & bass, reggaeton, garage, dubstep, rock, latin, plus Turkish çiftetelli, düyek, halay, maksum, malfuf and roman
• EUCLID — Euclidean rhythm generator
• SIMILAR — mutate what you have into a variation
• MAKE GENRE — a full track in the style you pick
• EXPAND — arranges intro, build, riser, drop, breakdown and outro into a real song
• DENSITY and SWING to steer the generators

MELODY
• SYNTH page: scale-locked piano roll — a wrong note is impossible
• 18 synthesized voices: saws, pads, basses, bells — plus Turkish instruments: bağlama, saz, kanun, ud, kemençe, klarnet, ney, kaval, zurna
• Arpeggiator, chord mode and chord progressions
• PERFORM: hold the phone upright for 10 live drum pads

SOUND
Master effects: reverb, delay, drive, tone, vibrato, humanize and sidechain compression, through a compressor and limiter. Tap tempo, undo and redo.

SONGS
16 pattern banks and a 24-slot song chain, with loop or one-shot playback.

KEEP IT
Save named projects on your device and export your beat as a WAV file to share anywhere.

Works fully offline, in portrait or landscape.

Made by Hugo Software.