Circuit Pro: HIIT Timer

The powerful HIIT, EMOM & interval timer built for serious training.

Build your own workout circuits with warm-ups, exercises, rest periods, and multiple rounds — all with energizing coach voice cues to keep you on track.

Whether you're doing HIIT, strength circuits, conditioning, CrossFit-style intervals, home workouts, or gym training, Circuit Pro makes timing effortless so you can focus on pushing your limits.

◆ Build Custom Circuits Fast

Create a full workout in seconds: • Warm-up duration • Number of exercises • Exercise length • Rest between exercises • Rest between circuits • Number of circuits • Optional exercise names • Coach voice cues + sound effects

Create once, save forever.

◆ Motivating Coach Audio

Stay focused with high-energy voice prompts: • 3-2-1 countdowns • “Go!”, “Rest”, “Get ready” • Circuit transitions • Workout complete • Optional motivational cues

Perfect for training with your phone in your pocket.

◆ iCloud Preset Sync

Your saved circuits automatically sync across all your devices. Start a workout on your iPhone, review it later on another device — seamless.

◆ HealthKit Integration (Optional)

Link your circuits with Apple Watch workouts and view: • Calories burned • Heart rate stats • Workout duration • Training history

See what you achieved last week, last month, or yesterday.

◆ Clean, Focused Workout Interface

Large timer. Clear phases. Smooth transitions. No ads. No clutter. Pure training focus.

Perfect For:

• HIIT workouts • Interval training • Circuit fitness • Strength conditioning • Home & gym workouts • Fat burning sessions • Cardio intervals • CrossFit-style training

Why Athletes Love Circuit Pro

• Super fast to set up • Extremely easy to read mid-workout • Voice cues keep you moving • Works with screen locked • Designed for HIIT, but perfect for any interval training

Unlock your best training sessions with Circuit Pro — the interval timer built for results.