ClearHiiT

Train your way. Now with Apple Watch. Organise workouts for yourself or clients, enjoy voice coaching, and stay on track—even with your phone locked.

HIIT Timer is a clean, reliable interval timer built for serious workouts. Whether you're training yourself or coaching others, HIIT Timer keeps every workout on track without distractions.

Train with HIIT, Tabata, running intervals, circuit training, treadmill sessions, or indoor cycling. Build, organise, and complete every workout with confidence.

No clutter. No subscriptions. Just your workout, on time, every time.

Organise Your Workouts

Keep your workouts organised with folders. Group sessions by training style, fitness goal, or athlete, and create separate workout libraries for yourself, clients, friends, or family.

Build Better Workouts

Create a workout in seconds with quick-start presets, or build one from scratch with complete control over every interval. Set warm-ups, work intervals, recovery periods, cooldowns, and transitions exactly how you want them.

Train Without Interruption

Press Start and focus on your workout while clear voice prompts guide you through every transition.

Audio cues and extended voice prompts play over your music, podcast, or audiobook, so you always know what's coming next without constantly checking your screen.

Choose Your Workout Mode

Standard A flexible interval timer for HIIT, Tabata, strength training, boxing, rowing, bodyweight workouts, and more.

Treadmill Set target speed and incline for every interval, so you always know exactly what to set for each work or recovery phase.

Circuit Name every exercise and follow your circuit without having to remember what's next.

Spin Set target difficulty and power for every interval, giving each effort a clear goal.

Train With Confidence

Lock your phone, put it in your pocket, and focus on your workout. HIIT Timer continues running reliably in the background, delivering every cue when you need it.

When the final interval ends, all that's left is the satisfaction of finishing a great workout.

Train From Your Wrist

With the Apple Watch app, start and follow workouts directly from your wrist, with live synchronisation to your iPhone.

Features

• Organise workouts into folders • Create separate workout libraries for yourself, clients, friends, or family • Unlimited custom workouts • Quick-start workout presets • Full control over every workout phase • Four workout modes: Standard, Treadmill, Circuit, and Spin • Per-interval treadmill speed and incline guidance • Named exercises for circuit workouts • Per-interval difficulty and power targets for Spin workouts • Extended voice prompts and audio cues over your music • Minimal voice prompts option • Countdown flash before every interval • Reliable background timing with the screen locked • Apple Watch app with live iPhone synchronisation • Tidal and Daybreak themes • Available in English, Spanish, and French