MatClock

MatClock – The Ultimate Round Timer for BJJ & Training MatClock is a professional round timer built specifically for Brazilian Jiu-Jitsu, created by active coaches and competitors who needed something better than basic interval timer apps. It’s powerful enough for serious gyms — yet flexible enough for any sport or workout style. Whether you're running: BJJ or MMA classes Boxing & Muay Thai rounds HIIT, CrossFit, or circuit training Personal training sessions Home workouts MatClock keeps your training organized, visible, and on-pace. Designed for the Mat Most timers were built for solo workouts — not live gym environments. MatClock was engineered for real classes where clarity, volume, and speed matter. Why MatClock Is Different Mat-Readable Display Large, high-contrast countdown timer visible from anywhere in the gym. Loud, Distinct Audio Cues Choose bells, buzzers, or horns that cut through crowd noise and signal rounds clearly. Fully Custom Rounds & Rest Create any round length or rest interval — perfect for beginners’ classes, advanced training, or competition prep. One-Tap Presets Launch common drills and class timers instantly without rebuilding sessions every day. External Display & Casting Support Mirror the timer to TVs or projectors so the whole room stays synced. Built for BJJ — Works for Everything Else Made for grappling rooms but perfect for MMA, boxing gyms, fitness studios, schools, and home training setups. Perfect for: Academy owners Coaches and instructors Competitors and hobbyists Personal trainers Anyone running interval-based training Simple. Powerful. No subscriptions. MatClock is a one-time purchase — no ads, no subscriptions, no upsells. For less than the cost of a cup of coffee, you get a professional gym timer designed to make every class run smoother. Train smarter. Run better classes. Focus on the work — MatClock handles the time.