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.
1.8
January 23, 2026
• improvements and bug fixes If there is a problem, please let us know via the app menu. If you like the app, please leave a positive review. Thank you for all the feedback, reviews, and support.
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Storm Distance Tracker calculates storm distance by measuring the time difference between when you see lightning and when you hear thunder. It then uses the known speeds of light and sound to estimate how far away the storm is.
Storm Distance Tracker is available on iPhone, iPad, and iPod devices.
Storm Distance Tracker has an age rating of 4+, making it suitable for young users and families.
The latest version, 1.8, was released on January 23, 2026. The app was originally released on July 29, 2016, indicating it receives periodic updates.
Storm Distance Tracker has a rating of 3.6 stars based on 100 ratings.
Yes, Storm Distance Tracker is free to download and use. It also includes in-app purchases.
Yes, Storm Distance Tracker displays advertisements.
