Free

Details

  • Released
  • Updated
  • July 4, 2009
  • August 22, 2017

Features

Flash Boom screenshot #1 for iPhone
Flash Boom screenshot #2 for iPhone
Flash Boom screenshot #3 for iPhone
Flash Boom screenshot #4 for iPhone
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About

This app estimates the distance to lightning strikes by timing the interval between seeing the flash and hearing the thunder. It provides a simple, quick way to gauge your proximity to a storm and advises taking cover if you are within 5 miles.

Lightning distance estimation
Flash and thunder timing
Distance in miles and kilometers
Safety advisory for close lightning
Simple tap interface
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What's New in Flash Boom

5.0

August 22, 2017

This app has been updated by Apple to display the Apple Watch app icon. Rewritten into Swift for 64-bit support.

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User reviews

Great for what it is

First off the lightning facts are fun, even if no storms are nearby. The author has taken time to update the app so it isn't a one shot deal.

If all of the wiz-bang features were added that were mentioned below, the app would probably cost $1000 dollars, get real.

As for simply counting seconds, first off the help says it should be 4.77 secs per mile not 5, but what's the fun in counting yourself?
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Primitive

Timings totally Incorrect. Very primitive.

Didn't work

Always said 500 seconds. No matter what I pressed.

Needs improvment

This app would be really great if it used the light sensor that controls auto backlight dimming or the camera on an iPhone to detect the lightning. As well as use the microphone to listen and detect the thunder. This would be great for setting up a lightning auto detection logging ability that would log the time, location and estimated distance. It could also pull weather data off the net to determine the local temperature to increase accuracy as well as the ability to enter temp manually. You could also use the compass of the 3gs to input the heading of where the lightning was spotted. Then you could actually plot the estimated location of the lightning on a map in the app.
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Nahhhh

Just count the seconds. Donyou really need an app to do that?

Developer apps

FAQ

How does Flash Boom calculate lightning distance?

Flash Boom uses the time difference between seeing a lightning flash and hearing the thunder. It applies a conversion rate of approximately 4.72 seconds per mile or 2.99 seconds per kilometer to estimate the distance.

What should I do if Flash Boom indicates I am close to lightning?

If Flash Boom estimates you are less than 5 miles from the lightning, the app strongly advises you to take cover immediately for your safety.

Is Flash Boom available on Android devices?

Based on the provided information, Flash Boom is designed for Apple devices, specifically supporting iPhone, iPad, and iPod.

How often is Flash Boom updated?

The latest version of Flash Boom is 5.0, and it was last updated on August 22, 2017. This indicates infrequent updates for this utility.

What is the age rating for Flash Boom?

Flash Boom has an age rating of 4+, making it suitable for a wide range of users, including younger individuals interested in weather phenomena.

Does Flash Boom have ads?

No, Flash Boom does not contain advertisements. It is a completely free application without any in-app purchases or ad interruptions.

What is the user feedback on Flash Boom?

Flash Boom has received a perfect rating of 5.0 stars from one user review, suggesting a highly positive initial reception for its functionality.

When was Flash Boom first released?

Flash Boom was initially released on July 4, 2009. It has been adapted from an older concept for modern mobile devices.