BlackPulse: Interval Timer

Otosmart Technology

About this app

BlackPulse is a fast, offline-first interval timer for workouts and fight training.

Build your own timer with timed steps, reps, distance targets, rest, and rounds. Run HIIT, Tabata, circuits, EMOM, AMRAP, boxing rounds, MMA drills, race-sim sessions, and more with a clean timer built for focus.

Build your way
Create workout templates with timed steps, reps, distance, rest periods, and rounds. BlackPulse supports hybrid routines, so one session can combine countdown-based exercises with manual targets and smooth transitions.

Made for workout and fight training
Use BlackPulse for HIIT, Tabata, EMOM, AMRAP, bodyweight training, lifting circuits, boxing, kickboxing, Muay Thai, MMA, BJJ drills, and competition-style training.

What you can do
• Create and save workout templates
• Mix timed, reps, and distance steps in one session
• Run fight rounds with custom work and rest periods
• Browse Workout Packs for At Home, Gym, and Competition
• Track workout history and repeat sessions
• Share templates by QR code or link
• Use sound, haptics, countdown cues, and keep-awake options
• Train fully offline with no account required
• Use the app in 18 languages

Built for focus
BlackPulse opens fast, looks clean, and stays out of your way. Whether you train at home, in the gym, or in a fight club, you get a reliable interval timer built for real sessions.

Start training with BlackPulse today