ESX vs KO Interval Timer

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YOUR ROUNDS. YOUR PACE. KO Interval Timer is a flexible interval timer for boxing, HIIT, circuit training, stretching and anything else that works in rounds. Create your timer, choose your cues and keep a record of every session—all in one app. BUILD A TIMER THAT FITS Set your work and rest periods, choose the number of rounds and add a preparation countdown. Give your phases custom names, save your favourite timers and duplicate them when you want to try something different. STAY FOCUSED WITH SOUND AND VOICE Choose from a range of timer sounds, spoken countdowns and coaching voices. Personalise your start, phase-change and completion cues, with optional haptic and visual alerts to help you follow each session. KEEP A WORKOUT JOURNAL Go beyond a finish time. Add notes, a photo and tags to your completed workouts. Record how you felt before and after, rate the difficulty and optionally log your bodyweight. LOOK BACK AT YOUR PROGRESS Review your workout history, completed rounds and elapsed time. Follow your training streaks and activity over time, and revisit your journal to see what worked for you. QUICK ACCESS WITH WIDGETS AND SIRI Access saved timers through home-screen widgets and use Siri shortcuts to start a session. See useful training summaries without opening your workout history. MAKE IT YOURS Choose your accent colour, preferred sounds and coaching voice. Enable the keep-screen-awake setting to keep your timer visible during a session. YOUR JOURNAL STAYS ON YOUR DEVICE Your workout history, notes and photos are stored locally—not uploaded to our servers. No KO Interval Timer account signup is required. The app does not provide cloud backup or cross-device workout syncing. IMPORTANT TO KNOW KO Interval Timer is designed for foreground use. Keep the app open and your screen awake during sessions; it does not provide background or lock-screen timer alerts. An internet connection is needed to verify subscription access. SUBSCRIPTION REQUIRED An active subscription is required to use the timer and other protected features. Available plans, prices and billing periods are displayed before purchase. Payment is charged to your Apple account when you confirm a purchase. Subscriptions renew automatically unless cancelled before renewal under Apple’s applicable terms. You can manage or cancel your subscription in your Apple account settings. Deleting the app does not cancel your subscription. Privacy Policy: https://koappstudio.com/embed/ko-interval-timer/privacy-policy Terms of Use: https://koappstudio.com/embed/ko-interval-timer/terms-of-use