Sprint Lightning
Mark Karas Health & Fitness iPhoneiPadiPod touch
Sprint Lightning is a free Health & Fitness app for iPhone and iPad by Mark Karas. Requires iOS 17.0. Updated October 7, 2026.
- Price
- Free
- on the App Store
- Size
- 12 MB
- Age 4+
- Updated
- Oct 7
- 2026 · v2.13
Screenshots
About Sprint Lightning
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/
What’s new
Version 2.13 · Updated October 7, 2026
Know how fast you're going - in real time!
App privacy
The developer, Mark Karas, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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Looking for apps like Sprint Lightning? Here are 6 similar apps on the App Store. The highest rated is Leg It! (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Sprint Lightning | – | Free | October 7, 2026 | |
| Leg It! | 5.0 / 5 (6) | Free | Oct 13, 2026 | Compare |
| SprintTrac | 5.0 / 5 (1) | Free | Jun 11, 2026 | Compare |
| ReMotion Sprint | – | Free | Sep 22, 2026 | Compare |
| Sprint.AI | 5.0 / 5 (1) | Free | Apr 22, 2025 | Compare |
| Posture Boost - Align Yourself | – | Free | Apr 26, 2026 | Compare |
| Jumpify: Athlete Training | 5.0 / 5 (2) | Free | Oct 10, 2026 | Compare |
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