Session vs Interval Timer by STRNTH

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.

Interval Timer by STRNTH is a free interval timer for HIIT, Tabata, EMOM, AMRAP, boxing rounds, running intervals, stretching and more. Build any timer you want with no fixed structure, then run it hands-free and read it from across the room. BUILD ANY TIMER - Add as many steps as you like, each with its own label, duration, colour, sound and voice. - Group steps into repeat blocks so a round loops as many times as you need. - Link separate timers together to chain a warm-up, workout and cool-down into one session. - Start from a template: Couch to 5K, Tabata, HIIT, 7 minute workout, EMOM, AMRAP, boxing rounds, Pomodoro, box breathing and full body stretch. RUN IT HANDS-FREE - A giant readout inside a progress ring, sized to read from across the gym. - Full-screen colour per step so you know your phase at a glance. - Voice reads each step and announces what is next before it arrives. - Sound cues on the last three seconds, plus beep, go, switch, rest, bell, horn, gong and whistle tones. Import your own sounds too. - Optional spoken 3-2-1 countdown, a cadence metronome from 60 to 180 BPM and haptic feedback. - Choose what the screen shows: interval time, total time, interval count, the clock or heart rate. MORE TOOLS - A countdown tab with quick presets for a fast single timer. - A stopwatch with laps that highlight your fastest and slowest split. - Light and dark themes and your own custom step colours. - Share a timer as a link or a file, and import timers others send you. ACROSS YOUR DEVICES - An Apple Watch companion runs your timers on the wrist with colour and haptics. - Pair a Bluetooth heart rate strap to see live BPM, zones and more while you train. - Save finished sessions to Apple Health as workouts. - Back up your timers to your private iCloud. FREE, WITH A ONE-TIME UPGRADE Interval Timer is free and supported by ads. A single 9.99 purchase removes ads for good. No accounts, no subscriptions, no cloud sign-in. Your timers stay on your device. Part of the STRNTH family of training apps.