HIIT Timer vs Ardo

Train smarter, not harder — with your personal interval trainer. Build your perfect interval timer for HIIT, boxing, or strength & cardio training. Customize every detail — from sets and rest to sounds and colors — for your ideal rhythm. Features • Custom Workout Setup – Freely adjust the number of sets, workout and rest durations, and round counts. • Fully Personalizable – Rename stages, assign colors, and fine-tune timing for each phase. • Clean, Distraction-Free Interface – Focus only on your workout without unnecessary elements. • Dark & Light Modes – Switch easily based on your environment or time of day. • Alarm Sound Options – Choose from multiple clear tones or add your own custom sounds. • Background Music Compatibility – Alarms work seamlessly with your favorite playlists. • Save Unlimited Profiles – Store all your routines and access them anytime. Clarity, rhythm, and control — everything you need to stay consistent and motivated. Start now. Train your way.

Ardo is the interval timer with an AI coach built in. Tell it your goal, your gear and how long you have — and it builds a custom interval workout, names every exercise, and drops it straight into the timer. YOUR AI COACH Chat with Ardo like a real coach: "20-minute fat-burning HIIT, no equipment" or "kettlebell strength, 15 minutes." It designs the intervals, picks the exercises and shows each move on screen as you go. Save it to your workouts or start right away. 140+ READY WORKOUTS Tabata, HIIT, EMOM, AMRAP, For Time, CrossFit benchmarks (Fran, Cindy, Murph), Hyrox, circuits, running and boxing — a big ring keeps you on pace with a 3-2-1 countdown, work/rest phases and a clear "next up" preview. BUILD YOUR OWN Lego-block editor with nested round groups; fork any preset, the original stays untouched. STAY ON TRACK Weekly chart, day streaks, full history and 20 badges. Beep on the 3-2-1 countdown plus haptics; 7 accent colors and Home Screen app icons; light and dark mode; 28 languages; daily reminders. Free: the full timer, all free workouts, the AI coach (3 free workouts), history, badges and reminders. Ardo Pro (one-time — no subscription) unlocks unlimited AI coaching, the full benchmark library plus Hyrox and Hero WODs, the advanced builder, unlimited custom workouts, color themes plus app icons and Pro badges. Pay once. No ads. No tracking. The timer works fully offline.