Stopwatch for Sports

Your all-in-one stopwatch, countdown timer, and workout companion - built for athletes, coaches, and anyone who values precision timing. Track every second with lab-grade accuracy. Monitor your heart rate in real time. Crush your HIIT, Tabata, or Boxing intervals. iStopwatch is the only timer app you'll ever need. PRECISION STOPWATCH - Lap and split timing accurate to 1/100th of a second - Live lap statistics - average, best, and worst times at a glance - Unlimited lap recording with full session history - Export and share your results instantly COUNTDOWN TIMER - Set hours, minutes, and seconds with intuitive wheel pickers - Quick-start presets: 1, 3, 5, and 10 minutes - Circular progress ring with animation - Add time on the fly without losing your countdown INTERVAL TIMER [PRO] - Built-in presets for Tabata (20/10), HIIT (40/20), and Boxing (3min/1min) - Fully customizable work, rest, and round settings - Visual phase indicators with color-coded progress - Haptic feedback keeps you in the zone HEART RATE MONITOR [PRO] - Real-time BPM from Apple Watch via HealthKit - 24-hour heart rate history chart - Min, max, and average stats - Animated live heart visualization STEP COUNTER - Daily step count from Apple Health - Weekly progress tracking with goals - Battery efficient tracking SESSION HISTORY [PRO] - Automatic session saving - Review laps, stats, and trends - Delete or share sessions SMART ALARMS - Custom alarms with clean interface - Stay on schedule for training WHY ATHLETES CHOOSE ISTOPWATCH - Clean, focused interface - No ads - Apple Watch and HealthKit support - Lightweight and fast FREE TO START Core features are free. Upgrade to Pro with a one-time purchase to unlock Interval Timer, Heart Rate Monitor, and Session History.