DOH1: Synthesizer 303 Bassline

About this app

Turn your iPhone into a hands-on groovebox for basslines, beats, melodies and evolving electronic music. DOH1 combines a 303-inspired bass synthesizer, drum machine, melodic sequencers, chord tools, atmospheric sound generators and a flexible mixer in one focused music production environment. Build patterns, automate parameters, arrange musical ideas and record your performance as a WAV file. CREATE EXPRESSIVE BASSLINES Design deep bass sounds and classic acid-style sequences. Shape your tone with cutoff, resonance, envelope modulation, decay, accent, slide, drive, tuning and multiple bass models. PROGRAM DRUM PATTERNS Build punchy rhythms with a step-based drum machine. Choose from multiple drum kits and adjust the sound of individual instruments with dedicated controls for tuning, decay, tone, drive and level. SEQUENCE SYNTHS AND CHORDS Create melodies with the polyphonic synthesizer and step sequencer, or play notes using the integrated keyboard. Add chord progressions and arpeggios to develop richer musical ideas. ADD TEXTURE AND MOVEMENT Use pad and ambience sections to create spacious layers, evolving textures and atmospheric backgrounds. The FX section provides addi

Deal history

DOH1: Synthesizer 303 Bassline has been on a deal once on GroveTab, on Sep 26, 2026.

• Paid → FreeSep 26, 2026