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.





250+ 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 250+ 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 | Free | 4.8★ (65K) | Yes | No | Sep 2026 | ||
| 3 | $0.99 | 3.5★ (2) | No | No | Aug 2026 | ||
| 4 | Free | 4.3★ (574) | Yes | Yes | Sep 2026 | ||
| 5 | Free | 4.9★ (7) | No | No | Aug 2026 | ||
| 6 | Free | 4.0★ (2) | No | No | Aug 2026 | ||
| 7 | Free | — | No | No | Sep 2026 | ||
| 8 | Free was $3.99 | — | No | No | May 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.



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.

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.