BeastInterval – HIIT Timer for Serious Training Crush every interval. Train harder. Track everything. BeastInterval is your ultimate HIIT workout timer built for athletes, fighters, and anyone pushing their limits. From Tabata and EMOM to fully custom routines, BeastInterval delivers precision, performance, and progress tracking without distractions. Key Features: 18 Intense Preset Workouts Ready-to-go routines for HIIT, Tabata, EMOM, and circuit training. Perfect for high-performance fitness. Fully Custom Intervals Design your own workouts: Up to 30 rounds Work/rest durations up to 5:59 Customize warmups and cooldowns Tailor every second to your style Track Your Progress Streaks (current & longest) Completion rates 7-day activity charts Full workout history Earn Achievements Smash milestones and unlock trophies for consistency, effort, and endurance. No Ads. No Clutter. Just Focus. Built for speed and clarity with a sleek, responsive interface. iCloud Sync Your stats, achievements, and custom workouts stay safe across all devices. Built for Every Athlete Whether you're training at the gym, at home, or on the mat — BeastInterval helps you stay consistent, push harder, and train smarter. Get Started Free – No Ads, No Limits Try 3 full workouts free with no sign-up or interruptions. Upgrade with a one-time purchase to unlock all features — no subscriptions, ever. Download Now and Unleash the Beast No ads. No distractions. Just results.