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Sprint Lightning support
Help with timing sprints, voice features, GPS and your Pro subscription.
Include your phone model, whether you’re on Android or iPhone, and the app version (shown in the app’s menu). We usually reply within a couple of days.
Common questions
How do I time a sprint?
Press Start Session, choose your distance in the Sprint Intervals card (100, 200 or 400 m, or 30–60 m under Other), then press Countdown. When the gun fires, run. A tone sounds at your finish line and your time is saved. Sprint Intervals are part of Pro.
Why is my speed or distance off, or why won’t tracking start?
GPS needs a clear view of the sky. Start outdoors, away from tall buildings and heavy tree cover, and give your phone 20–30 seconds to lock on before you start. Open the GNSS diagnostics in the app: more satellites and a smaller accuracy number mean better tracking. Make sure the app has precise location permission.
Tracking stops when my screen turns off.
Allow the app to show notifications. The tracking notification is what keeps a session running in the background. On Android, also set the app’s battery usage to Unrestricted (Settings → Apps → Sprint Lightning → Battery), since some phones stop background apps aggressively.
I can’t hear voice callouts.
Voice and Command are Pro features. With Pro, check that the Voice switch is on and that your media volume is up. Text-to-speech uses your phone’s speech engine, so make sure one is installed and set to English.
Voice Commands aren’t responding, or my music keeps pausing.
Command needs microphone permission. While Command is listening it needs exclusive use of the microphone, so music from other apps (and the app’s Demo Music) pauses while it’s on. Speak clearly and use the exact phrases: “Start Session,” “Stop Session,” “Countdown,” “Cancel,” “Voice On/Off,” “Constant On/Off,” “Speed,” “Cadence,” or “Distance” followed by a number.
What’s free, and what does Pro add?
See the Free & Pro comparison. Every session is saved on the free plan too, so your full history appears as soon as you upgrade.
I bought Pro but the app shows the free version.
Make sure you’re signed in to the same Google or Apple account you bought Pro with, then open the upgrade screen and tap Restore Purchases. Pro can take a few seconds to show after the app starts while it checks with the store.
How do I cancel my subscription?
On Android: Google Play → profile icon → Payments & subscriptions → Subscriptions → Sprint Lightning → Cancel. On iPhone: Settings → your name → Subscriptions → Sprint Lightning → Cancel Subscription. Pro stays active until the end of the period you paid for. Uninstalling the app does not cancel a subscription.
How do I get a refund?
Purchases go through the stores, so refunds are handled by them. On Android, request one from your Google Play order history. On iPhone, use reportaproblem.apple.com.
How do I delete my data?
Delete sessions from the History screen, or uninstall the app to remove everything. Your data is stored only on your phone. See the privacy policy.