Groove Pocket

Built for musicians who want to internalize rhythm — not just listen to it. Three engines, 25 guided lessons, streak tracking. iCloud sync free for everyone.

The rhythm practice toolkit for serious musicians. Metronome. Polyrhythm engine. Euclidean patterns. Guided lessons. Practice log. All in your pocket.

GROOVE POCKET is a focused practice tool for drummers, percussionists, producers, and anyone serious about internalizing rhythm. No fluff. No ads. Just the tools.

THREE PRACTICE MODULES

• Click — A metronome with accents, subdivisions, and time signatures from 2/4 to 12/8. Tap to set tempo. Build custom accent patterns.

• Poly — A polyrhythm engine. Layer 2-, 3-, 4-, even 5-voice rhythms with visual convergence rings. Watch where 3-against-4 lines up.

• Euclid — Euclidean rhythm generator. Tresillo, cinquillo, bossa nova clave, balkan odd meters. Adjust beats and steps. Save patterns.

GUIDED TRAINING

25 progressive lessons across 5 chapters: — Foundations — Syncopation & Accent — World Rhythms — Intro to Polyrhythm — Advanced Practice

Each lesson loads its time signature, tempo, and pattern automatically. Focus on the rhythm, not the setup.

PRACTICE LOG + TROPHIES

Track every session. Watch your streak grow. Earn trophies for chapter completions and consistency milestones — 3, 7, 14, 30-day streaks plus 10, 50, 100 sessions logged.

ICLOUD SYNC INCLUDED

Practice on iPhone, see your progress on iPad. Badges, streaks, lessons, log — all sync automatically. Free for everyone.

GROOVE POCKET+ ($4.99, one-time) — 4-voice Poly & Euclid — All time signatures (5/4, 7/8, 11/8, mixed) — Tempo ramp training (60→160 BPM) — Train Chapters 3–5 — Unlimited practice log — CSV export

Made for musicians. No subscriptions. No third-party tracking. Just practice.