SprintTrac vs Sprint Lightning

Train at full speed. Never look down. SprintTrac turns your iPhone and Apple Watch into a precision sprint coach. Set your distance, sprint count, and rest time — then just run. The instant you hit your target distance, your wrist buzzes. No glancing at screens, no guessing where the line is. Just pure, focused speed work. Accurate where it matters GPS and stride tracking work together — fused in real time — to nail your distance on any surface: track, turf, grass, or pavement. Everything you need mid-sprint Live distance, split time, heart rate, and speed on your wrist. Audio cues count you down — Ready, Set, GO — and a rest timer tells you exactly when to line up again. No Watch? No problem. iPhone-only mode runs the full workout with phone haptics and GPS — perfect if your Watch is on the charger. Go further with SprintTrac Pro (one-time purchase — no subscription, ever) Stride calibration — run one measured distance and SprintTrac dials in to your exact running form for maximum accuracy Workout history — every lap, every split, every session, saved automatically Pace & performance analytics — speed trends, personal records, and rep-to-rep conditioning analysis Apple Health sync — workouts saved with GPS route maps CSV export — your data, anywhere you want it Built for sprinters, field athletes, and coaches who want precision training — not another app to fiddle with.

Precision Track & Field Timing. 10Hz Dual-Band GNSS for Elite Sprint Analytics. Sprint Lightning: Instrument-Grade Performance for Elite Sprinters Stop relying on generic fitness trackers. Sprint Lightning is a high-precision digital coach designed specifically for track athletes, sports specialists, and elite sprinters who demand absolute data integrity. Why Precision Matters Generic GPS apps are prone to "coordinate drift"—giving you fake speed spikes while you’re standing still. Sprint Lightning solves this with our proprietary Iron Lock™ Spike Protection and L5 Dual-Band GNSS integration, providing accuracy previously only available in expensive $500 external hardware. PRO FEATURES: UNLOCK YOUR ELITE EDGE Upgrade to Sprint Lightning Pro to access the full toolkit of professional training: • High-Frequency 10Hz Tracking: Capture every micro-burst of speed with high-update rate analytics. • L5 Dual-Band GNSS: Connect to military-grade satellite signals for sub-meter precision, even in urban stadiums. • Auto-Detection Intervals: Select your distance (100m, 200m, 400m) and let the app do the rest. The timer stops automatically the moment you cross the line. • Advanced Voice Master: Real-time speed and cadence coaching in your ear, so you can keep your eyes on the finish line. • Unlimited Training History: Track your progress over weeks, months, and seasons to see your explosive growth. INSTRUMENT-GRADE DIAGNOSTICS Transparency is everything. Sprint Lightning is the only app that gives you a raw look at your GNSS health: • View real-time satellite counts and constellation systems (GPS, Galileo, Glonass). • Monitor your signal frequency (Hz) and fix accuracy in meters. • Verify Dual-Band (L5) activity for total confidence in your data. JOIN THE ELITE Whether you’re training for the 100m dash or boosting your explosive speed for football, soccer, or rugby—Sprint Lightning gives you the pro-level data you need to beat your PR. SUBSCRIPTION DETAILS Sprint Lightning offers a 7-Day Free Trial of Pro features. Monthly and Yearly subscriptions are available. Prices are displayed dynamically in your local currency. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/