Piorun app for iPhone and iPad
4.4 (
6784 ratings )
Utilities
Developer: Jacek Stachowicz
Free
Current version: 1.0, last update: 54 years agoFirst release : 16 Dec 2016
App size: 37.47 Mb
Piorun, in Polish, means lightning.
Very simplistic interface lets you calculate the distance to the storm.
Just tap when you see the lightning and again when you hear the thunder.
You can switch between metric and imperial units.