Core vs Interval Timer

Keep your focus on the workout Core takes care of the intervals, so you can stay with your training. Set your work time, rest time and sets, then follow a clear countdown and audio cues from the first round to the last. Made for your routine Build a timer for HIIT, Tabata, circuit training or boxing rounds. Save your usual workouts and have them ready when it is time to train again. Know when to move and when to recover A large countdown and distinct work and rest colors make each phase easy to recognize at a glance. Choose audio cues that suit the way you train. See the work you have put in Revisit completed sessions and see your weekly training trends. Your training history gives every session a place beyond the final countdown. Go further with Core Pro Unlock unlimited timers and duplicates, full workout history, monthly and yearly trends, and CSV export. These features require an in-app purchase. Core Pro is optional. Available plans and prices are shown before purchase. If you choose an auto-renewable subscription, payment is charged to your Apple Account at confirmation. It renews automatically unless canceled at least 24 hours before the current period ends. Manage or cancel your subscription in your App Store account settings. Privacy policy: https://yating-900.github.io/core-timer-site/privacy.html Terms of use: https://yating-900.github.io/core-timer-site/terms.html If you have any ideas to improve the App, please contact us via coretimerapp@gmail.com. Your feedback is highly valued!

A clean, powerful interval timer for Tabata, HIIT, boxing, running intervals, EMOM, AMRAP and custom workouts. No ads. No account. Start your workout in one tap and follow clear voice, bell and haptic cues, so your focus stays on training instead of on your phone. BUILT FOR REAL TRAINING Designed for workouts where every second matters: • Tabata 20s work / 10s rest • HIIT circuits • Boxing and MMA rounds • Run / walk intervals • EMOM and AMRAP workouts • Mobility, stretching and custom routines TRAIN BY SOUND Choose the cue style that fits your session: • Voice Coach for guided intervals • Boxing Bell for round-based training • Music Friendly mode for workouts with music • Silent Haptics when you want no sound BIG TIMER. ZERO GUESSING. The workout screen is built to be readable while moving: • Huge countdown numbers • Clear WORK and REST states • Color-coded phases • Next interval preview • Round progress • Simple pause, skip and stop controls CUSTOM ROUTINES Build your own interval structure in seconds: • Work duration • Rest duration • Rounds • Warmup and cooldown • Sound mode • Custom Tabata, HIIT, boxing and running timers MADE TO STAY OUT OF THE WAY Focused, fast and minimal: • One-tap start • Control lock during workouts • Cues keep firing with the screen off • Clean dark interface • No clutter • No social feed • No workout videos you did not ask for Whether you train at home, in the gym, on the track or in a boxing class, this timer keeps you on the next interval. Train by sound. Move on time.