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1st release. Enjoy
MPC-style 16-pad sampler with step sequencer. No ads.
Beat 4x4 — Pocket Beat Machine Beat 4x4 turns your phone into an MPC-style beatmaking workstation, built for producers who want to sketch, chop, and finish beats anywhere — no laptop required. 🎛️ Sample & Chop Import audio from your device or record straight from the mic. Slice samples manually or with auto-chop (equal division or transient detection), then drop chops onto pads instantly. Non-destructive editing means your trims, fades, gain, and reverse never touch the original file. 🥁 Finger Drumming 64 velocity-sensitive pads across 4 banks, built for real multitouch — play chords, rolls, and fills with natural feel. Note repeat for tempo-synced rolls, 16 Levels mode for expressive velocity or pitch play, and per-pad play modes (One-Shot / Gate / Loop). 🎹 Synths, Not Just Samples Turn any pad into a synth voice — sine, saw, square, triangle, or 808 — with its own pitch envelope. Layer synth bass and keys right alongside your chopped samples. 🎼 Sequence & Arrange Record live or program in the step sequencer and piano roll. Quantize with adjustable grid/triplet/strength, add swing, and use note probability, ratchets, and per-note velocity for human, glitchy, or tight patterns. Chain sequences into full songs with repeats and per-section tempo changes. 🎚️ Mix It Down A proper mixer with per-pad volume, pan, and sends. Master reverb and tempo-synced delay (that actually tracks your BPM). Sidechain "pump" ducking for that classic genre bounce. Vinyl/tape lo-fi master bus (wow & flutter, crackle, warmth) for instant character. 🎧 Filter, Stretch, Resample Per-pad multimode filter (LP/HP) with resonance. Time-stretch samples to fit your tempo without changing pitch. Bounce any sequence or full song back into the sample library to build on top of it. 📤 Export Anywhere Render full mixes or individual stems as WAV (16/24-bit, 44.1/48kHz) for finishing in a DAW, sharing, or archiving. Share exports directly from the app. ⚡ Built for Phones A tight, low-latency Rust audio engine (sub-10ms on Android) means pads feel responsive, not laggy. Everything is offline — no account, no internet required, no subscription. Full undo/redo across pad assignments, sequencing, and song arrangement, so you can experiment freely. Whether you're sketching a beat on the bus or finishing a track in your bedroom, Beat 4x4 gives you sampling, sequencing, mixing, and export in one focused, fast tool — no DAW, no clutter.