Session: Interval Timer

Build your custom workouts: sprints, recovery, endurance, training. Smart timer, voice alerts, 100% free — no account required

Session is the interval training timer that adapts to YOUR sport.

Whether you're running, doing HIIT, Tabata, or any other interval-based workout, Session lets you build fully customized sessions: number of reps, duration of each phase, type of effort (sprint, recovery, endurance, exercise, prep).

WHY SESSION?

100% custom sessions — create as many phases as you want, in whatever order you want Real-time visual timeline — see exactly where you are in your session at a glance Customizable alerts — sound, vibration, or voice guidance to stay focused without looking at your screen Works with locked screen — start your session, pocket your phone, go Music-friendly — alerts play clearly even over your playlist No sign-up required — open the app and start, no account needed Free, no ads, no in-app purchases

WHO IS IT FOR? Runners, athletes in physical training, interval trainers, HIIT and Tabata practitioners, or anyone who needs a reliable, simple interval timer.

Your data stays on your phone. No account, no ad tracking.

Your sport. Your pace. Your Session.