Item
¥0.99CNY
App information
- Version
- 1.1.3
- Download size
- 18.10MB
- First released
- 2026-07-07
- Developer
- Piet Jonas
- Bundle ID
- com.speedymarks.apps.ThunderStorm
- Category
- Weather (4,244)
- Developer website
- thunder.speedymarks.com
Screenshots
Screenshots come from the App Store listing. They are shown at full aspect ratio, never cropped. Click to enlarge.
In-App Purchases 1 items · USD
About
From the App Store SourceThis application calculates the distance of a thunder storm by measuring the time between a lightning and the corresponding thunder. How to use: - When you see the lightning press the 'Lightning' button. - Wait until you hear the thunder and press the 'Thunder' button. - Tap the distance to toggle between metric and imperial units. - With the help of the history list you can see whether the storm comes closer and moves away. Background: The speed of light is much faster than the speed of sound. By measuring the time between the lightning and corresponding thunder one can easily approach the distance by multiplying the duration with the speed of sound. Apple Watch version: - distance calculation - history list - metric and imperial units - has a Check for a quick start
FAQFAQPage
Who made it?
The developer is Piet Jonas, and the app identifier is com.speedymarks.apps.ThunderStorm.
When was it first released?
It was first released on 2026-07-07, according to our own database record.
Every number in these answers comes from the data shown above on this page.