JabClock vs RoundBell

JabClock is a precision round timer built for boxing, MMA, Muay Thai, and interval training. Set your rounds, rest periods, and warning alerts — then focus on your workout. FEATURES • Fully configurable rounds, rest duration, preparation countdown, and warning alerts • Five built-in presets: Pro Boxing, Quick Rounds, HIIT Tabata, MMA, and Muay Thai • Create and save unlimited custom presets for any training style • Choose from six distinct sound alerts: bell, buzzer, clap, airhorn, whistle, and beep • Adjustable volume, haptic feedback, and visual flash warnings • Shake to pause — designed for use with boxing gloves on • Proximity sensor support for hands-free pause and resume • Keep Screen On mode so your timer stays visible mid-workout • Clean, glove-friendly interface with large countdown display and round tracking • Works offline with no account required Whether you're training solo at home or timing rounds at the gym, JabClock keeps you on pace so you can stay focused on what matters.

RoundBell is the ultimate interval timer for boxing, kickboxing, and martial arts training. FEATURES: - Round Timer: Customize round time, interval time, and total rounds - Gong & Horn: Round start/end gong sounds and warning horn before round ends - Countdown Beeps: Audio countdown for the final 3 seconds - Voice Alerts: "1 minute remaining" and "30 seconds remaining" voice notifications - 6 Built-in Presets: Beginner 1min, Boxing 3min, Kickboxing 2min, HIIT 30s, MMA 5min, and Tabata 20/10 - Custom Presets: Save favorite settings and switch instantly - Training History: Review completed sessions, streaks, and total rounds - Apple Health: Optionally save completed workouts - Haptic Feedback: Vibration notifications when sound isn't enough - Screen Wake Lock: Screen stays on during your workout - Japanese/English support PERFECT FOR: - Boxing and kickboxing training - Pad work and heavy bag sessions - Sparring round management - HIIT and interval training Clean dark theme design with large, easy-to-read timer display - visible from across the gym.