Measure the distance to a storm by timing the interval between seeing lightning and hearing thunder. This tool uses the difference in the speed of light and sound to provide an estimated distance.





249+ iOS apps curated and reviewed
With an average user rating of 3.9★, the lightning distance calculator category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.7★ (101) | Yes | Yes | Aug 2026 | |
| 2 | $0.99 | 3.5★ (2) | No | No | Aug 2026 | |
| 3 | Free | 4.8★ (65K) | Yes | No | Sep 2026 | |
| 4 | Free | 4.9★ (7) | No | No | Aug 2026 | |
| 5 | Free | 4.3★ (574) | Yes | Yes | Aug 2026 | |
| 6 | Free was $3.99 | — | No | No | May 2026 | |
| 7 | Free | — | — | No | Jul 2026 | |
| 8 | Free | 4.0★ (2) | No | No | Aug 2026 |





Measure the distance to a storm by timing the interval between seeing lightning and hearing thunder. This tool uses the difference in the speed of light and sound to provide an estimated distance.

This utility app estimates the distance to lightning strikes by measuring the time between seeing lightning and hearing thunder. It provides calculations in both meters and feet, with adjustable temperature settings for accuracy. Geotagging with GPS data is also included.



Monitor global lightning strikes in near real-time on a live map. Receive alerts for nearby storms and view historical strike data. Track weather radar and share strike information with friends.


Measure the distance to loud events like thunder, fireworks, or rocket launches by timing the visual and auditory cues. Adjust for temperature for greater accuracy and choose your preferred units. It also functions as a stopwatch, speed-of-sound calculator, and unit converter.


Visualize real-time lightning strikes across North and South America on a dynamic map. Receive predictive alerts for strike patterns and intensity, with estimated arrival times for your location. Monitor current and historical lightning activity to stay informed and protected.






Calculate the distance to lightning by timing the interval between seeing the flash and hearing the thunder. This utility helps you gauge storm proximity and movement.


Measure the distance to thunderstorms by timing the interval between seeing lightning and hearing thunder. The app calculates the distance in miles or kilometers.




Measure the distance to a thunderstorm by timing the interval between lightning and thunder. View your storm history to track its movement and toggle between metric and imperial units.










This app provides real-time lightning strike distance and live alerts on a map. Save locations to receive notifications when lightning is detected nearby, even when you're away. It offers a clean interface with no ad clutter.


This app estimates the distance of lightning storms using a physics-based approach. Simply tap "lightning" when you see it and "thunder" when you hear it to get an approximate distance.


Track lightning strikes globally in real time with live alerts and detailed storm information. View strike locations, distances, and directions on an interactive map, and receive notifications as storms approach.



