Interval Timer for HIIT
Train on
your terms.
Custom presets for work, rest, rounds, and sets. Live Activities on your Lock Screen. Voice cues and heart-rate tracking. No account required.
∞
custom presets
Live
lock screen timer
BPM
heart rate
100%
on-device
Built for fast workouts.
Pulse handles the timing so you can focus on the work. HIIT, Tabata, boxing rounds, bike intervals — whatever your protocol.
Presets
One-Tap Start
Save custom work/rest/round/set configurations and start any session with a single tap.
Live Activities
Lock Screen Timer
See your active timer on the Lock Screen and Dynamic Island without opening the app.
Voice & Sound
Stay in the Zone
Voice announcements, sound cues, and haptics tell you when to work and rest — even with the screen locked.
Heart Rate
Bluetooth BPM
Connect any standard Bluetooth heart-rate monitor and see live BPM during your workout.
Ready to train?
Download Pulse, pick a preset, and start your first interval workout in seconds.
Download on the App Store