LoopMemo vs AcidGroovebox

LoopMemo is a loop recorder anyone can pick up and play. Recording starts the moment you press ●, and pressing it again starts looping right away. Your first take sets the loop length — no BPM, no bars, no setup. Just capture the idea while it's fresh and start layering. PERFECT FOR • Jotting down melodies and riffs before you forget them • Practicing beatbox, a cappella, and vocal harmonies • Layering guitar or keyboard phrases in a one-person jam • Sketching rhythm patterns and sound ideas FEATURES • Loop recording with up to 4 tracks • Instant record & instant loop (Free mode) • Overdub with Layer or Replace, plus Undo • Per-track volume, pan, mute, and solo • Per-track timing adjust (10 ms / 50 ms steps, adjustable while playing) • Bar-sync mode for recording exactly on the grid, with metronome (BPM 40–240, master length of 4/8/16/32 bars, count-in, 3 click sounds) • Save and load projects • Export one loop cycle as an audio file and share it • Import your own audio and layer on top of it (Pro) • Stem export for finishing your track in a DAW (Pro) THREE SIMPLE STEPS 1. Press ● and record — voice, instruments, or hand claps 2. Press ● again and the loop starts playing instantly 3. Press ● on another track to layer while you listen EVEN SIMPLER (EASY MODE) 1. Press the big REC button and record 2. Press STOP and the loop starts playing at that length 3. Press REC again to layer. Press REC while recording and the loop starts together with your next take FREE & PRO All core features — recording, looping, overdubbing — are free. LoopMemo Pro (one-time purchase) unlocks: • No ads (banner & full-screen) • Unlimited saved projects (free version: up to 3) • WAV (16-bit) export (free version: M4A) • Stem export (one WAV per track) • Importing your own audio files A sample-accurate audio engine keeps loop seams click-free and tracks tightly in sync. Headphones are recommended to keep the loop from bleeding into the microphone. Press ● and make your first loop.

A pocket acid machine. 303-style bass, drum machine, lead, a lush pad synth and sample pads: a techno or house track in seconds, with no ads and no connection. Tap the dice and the drums, bass, lead and pads 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, PWM • Step sequencer with slides, accents and note length • Piano panel: the note rings while you press, slide your finger for a glide • Arpeggiator (Pro) DRUM MACHINE • 7 tracks: kick, snare, clap, hats, crash, ride • 3 velocity levels per step and swing, with a choice of which tracks swing (Pro) • 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 • Arpeggiator (Pro) ATMO PAD SYNTH (Pro) • Lay lush chord pads under your set: held chords or short stabs • 12 factory sounds, expressive macros and a full advanced sound editor • Its own sequencer, mixer track and automations HAND-DRAWN AUTOMATIONS (Pro) • Draw curves with your finger on bass, lead and ATMO parameters and watch the knobs move MIXER • Volume, pan and level meters for every track • 4-band EQ on every track and on the master (track EQ in Pro) • The bass ducks under the kick for a punchier, cleaner mix LIVE FX • Hands-on filter on an X/Y matrix • Two assignable LFOs per instrument (Pro) • Assignable reverb and delay (Pro) • 16 or 32-step patterns, A to D switching and full pattern copy (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) • Touch pan: where your finger lands sets the pan • Dedicated reverb, delay and beat repeat for the pads 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.