Performance · Worldwide
Est. downloads / month · WW
<5K
Below chart threshold
Est. revenue / month · WW
<$5K
Below chart threshold
Rating · WW
3.6★
101 ratings
Chart position
Apple's Top Free chart — free apps ranked by recent downloads.
Ratings count — US
See the numbers behind the rankings
Listing
Calculate the distance of lightning and find out how far away the storm is. This app calculates distance using the difference between the speed of light and sound. Tap a button when you see the lightning and then again when you hear the thunder and the app will tell you how far away it is using a time difference between the two.
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