Added 1976-08-27 02:13:59
App Freshness



Gary Sims
Thunder Clap HD
Post Date:
2017-10-18 02:13:59

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Wondering how far away that storm is? Want to teach your kids how sound travels slower than light? Did you ever need to take your kids mind off a thunder storm? Using Thunder Clap HD you can teach your children and distract them from that rumbling thunder.

Following the success of Thunder Clap on the iPhone and iPod Touch, here is Thunder Clap HD built specifically for the iPad.

Thunder Clap HD is a simple to use utility to calculate the distance to a storm based on the time elapsed between the lightning and the thunder. When you see the lightning: hit the ‘Lightning’ button, then when you hear the thunder: hit the ‘Thunder’ button. The distance to the storm will be shown.

The iPad version has some new extras including higher resolution graphics, full rotation support (it doesn’t matter how you are holding your iPad) and an Information Center with some notes about the nature of Thunder and Lightning and a bit about Benjamin Franklin.


  • Thunder Clap HD Screenshot
  • Thunder Clap HD Screenshot

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