價格：免費
檔案大小：39.3 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Piorun, in Polish, means lightning.
Very simplistic interface let's 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.
支援平台：iPhone, iPad