HIIT Timer vs Shift

The simple Tabata timer and HIIT timer for every workout. HIIT Timer is an interval timer built for Tabata, HIIT, circuit training, boxing rounds, running intervals, strength training and home workouts. Set your work and rest times, choose your sets and rounds, and let voice cues and a clear countdown guide you, so you can focus on the exercise, not the clock. FREE FEATURES - Custom interval timer: multiple sets, each with its own work and rest time, plus rounds and an optional final rest - Classic Tabata timer in one tap: 20 seconds of work, 10 seconds of rest, 8 rounds, 4 minutes - Voice cues and reminders for every phase, with a 3- or 5-second countdown - Vibration alerts, so you can train without watching the screen - 4 background music tracks and 3 sound modes: music + cues, cues only (play your own music), or silent with vibration - Workout summary after every completed workout - Big landscape countdown clock you can read from across the gym - Screen stays on while the workout timer runs - Dark mode, light mode, English and Traditional Chinese HIIT TIMER PRO (one-time purchase, not a subscription) - More quick workouts: Beginner and Advanced HIIT, Boxing Rounds, Stretching and Free Mode - My Workouts: save, favorite, rename and duplicate your routines - Name each exercise and reorder sets with ▲▼ - Warm-up and cool-down before and after your training - Advanced voice: halfway reminders, next-exercise announcements, speech rate and voice choice - Screen lock to prevent accidental taps - Workout history with weekly, monthly and yearly stats GREAT FOR - Tabata and HIIT workouts at home or at the gym - Circuit training, core workouts and plank intervals - Boxing rounds and sparring timers - Running intervals, sprints and endurance training - Strength training, weightlifting rest timers and stretching PRIVATE AND OFFLINE - No account needed. Your workout settings and history are stored on your device - The timer works offline; buying or restoring Pro needs an internet connection - Already bought Pro? Use Restore Purchases on a new device This app is a timing tool and does not provide medical advice. Start your first round today!

Shift is an interval timer made as simple as possible (but not any simpler). Set up in seconds: • Work • Rest • Repeat How long you exercise – how long you recover – how many rounds. That’s all. Tap Start and Shift takes it from there. Finished workouts stay in History, so your last workout can be your next preset. Load it and go. A few essentials: • Voice cues or simple tones that don’t lower your music • Keeps time in the background • A Live Activity on your Lock Screen and Dynamic Island • A workout display you can turn sideways • Made for iPhone, iPhone Duo and iPad Completely free. No ads, no paywall, no subscriptions. No accounts or tracking. Your workout history stays on your device.