# StrikeDistance

> A simple tool to estimate the distance between you and a lightning strike

Canonical page: [https://chrome-stats.com/d/dev.gregwhatley.strikedistance](https://chrome-stats.com/d/dev.gregwhatley.strikedistance)

## Overview

- **ID:** `dev.gregwhatley.strikedistance`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Greg Whatley
- **Category:** WEATHER
- **Downloads:** 34
- **Version:** 1.0
- **Last updated:** 2026-03-21
- **First published:** 2025-12-07
- **Publisher country:** US
- **Size:** 2.31 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=dev.gregwhatley.strikedistance)
- **Website:** [https://gregwhatley.dev/StrikeDistance](https://gregwhatley.dev/StrikeDistance)
- **Privacy policy:** [https://github.com/devgregw/StrikeDistance/blob/master/privacy.md](https://github.com/devgregw/StrikeDistance/blob/master/privacy.md)

## Description

StrikeDistance is a tool to estimate the distance to a lightning strike based on the time between seeing the lightning and hearing the thunder. The app can optionally use your current location to automatically check the current temperature, and a stopwatch is built in to help track the time. This is a recreation of one of my earliest programming projects as a student.<br><br>This app is intended for educational purposes only and should not be relied upon for safety decisions.<br><br>The speed of sound in air varies with temperature: v = 331.5 + 0.6T (where v is the speed of sound in meters per second and T is the ambient temperature in °C). The measured time between the lightning and thunder (in seconds) is combined with the speed of sound to estimate the distance in meters (d = vt). StrikeDistance can convert between units automatically, for example to show the result in miles.

## Rankings

- #2,387,839 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.INTERNET`
- `com.android.vending.CHECK_LICENSE`
- `dev.gregwhatley.strikedistance.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/dev.gregwhatley.strikedistance)