SprintStart vs SetGo Timer

SprintStart for Sprint Block Performance is the leading tool for your sprint and race start training. Using our sprinting start optimized app, your iPhone and Apple Watch can call the starting sequence and start your race. Record, sync, and share your start training sessions. WIth our reaction time measurement, your response to the starting sound helps you track your performance out of the blocks and off the line. Using your device's acceleration sensors, your reaction time is recorded and displayed, and synchronized via iCloud to all your devices using SprintStart. Trigger a start from the app, from Siri, a shortcut, and your Apple Watch Ultra's Action button. SprintStart - Designed and built by a USATF Level 1 Coach and Masters-level sprint competitor, SprintStart has been track-tested from block, 3-point, and standing starts. You cannot get more convenient, or useful, than SprintStart. See you at the blocks! Features: - Clear voice calling of the starting sequence. - Customized intervals between start commands to model the race environment. - Start from the "bang" or a clear starting tone as your "go" sound. - Uses your device's accelerometer to detect reaction time to the "go" command - and adjustable sensitivity helps ensure you get accurate reaction measurements no matter which device or how you might be carrying or wearing it. - Optionally, display your reaction time at end of each start - your reaction time is always saved. - Export reaction times, dates, and heart rate (available on Apple Watch app) as a CSV to track your training performance over time. - Chart your reaction times for your sprint session right on your device - iPhone or Watch! - Synchronizes start & reaction information via iCloud, accessible on all your devices using SprintStart. - Apple Watch app uses haptic taps along with the voice commands. - Works GREAT with AirPods (especially the Watch app) - eliminate distractions and focus on your training!

Your training. Your rules. SetGo Timer is a fully customizable interval timer built for athletes who take their workouts seriously. Whether you train HIIT, Tabata, boxing rounds, circuit training, or any other interval-based workout, SetGo Timer adapts to your routine. Configure every detail: exercises, sets, work and rest durations, optional prepare and cool down phases. Save your timers, mark favorites, and get started in seconds. Voice-Guided Workouts Stay focused on your training, not your screen. SetGo Timer announces every phase transition, countdown, and exercise change with clear voice announcements. Choose between two voices. Announcements are in English and work offline because they ship with the app. Apple Watch App SetGo Timer includes a full standalone Apple Watch app. Your timers sync automatically from iPhone to Watch. Start your workout directly from your wrist, no iPhone required. The Watch app runs its own timer engine with live phase display, countdown rings, and haptic feedback on every transition. While a workout runs on the Watch, the iPhone shows it live, speaks the announcements and can pause, skip and stop it. Start on the iPhone and the paired Watch takes over the workout. Completed workouts land in the history on your iPhone automatically. Live Heart Rate & Apple Health Track your heart rate in real time during workouts on Apple Watch. SetGo Timer saves completed sessions to Apple Health, including duration, calories burned, and average heart rate. Review your workout history with detailed stats for every session. Workout History & Stats Every completed workout is saved with full details: date, duration, exercises completed, heart rate, and calories. A weekly goal with a streak keeps you on track and shows your training consistency at a glance. Haptic Feedback Feel every phase change through haptic feedback on both iPhone and Apple Watch. Never miss a transition, even with headphones off. Focused Design SetGo Timer uses a clean interface designed to minimize distractions during training, in dark, light or your system appearance. Color-coded phases (yellow for prepare, green for work, blue for rest, purple for cool down) let you see your current phase instantly. Features at a Glance Fully customizable interval timers HIIT, Tabata, boxing, circuit training and more Voice announcements in English with two voices Standalone Apple Watch app with auto-sync Live view and control of Watch workouts on iPhone Live heart rate monitoring Apple Health integration Workout history with a weekly goal and streak Haptic feedback on iPhone and Watch Color-coded training phases Screen stays on during workouts Accessibility support (VoiceOver, font scaling) One timer is included for free. Unlock unlimited timers with a single purchase.