Flash Boom app icon

Apps Like Flash Boom for iPhone and iPad

Estimate lightning distance with timing.

The app estimates lightning distance by timing the interval between seeing lightning and hearing thunder. It uses a calculation based on the speed of sound to provide an approximate distance.

by Edward Danley★ 5.01 ratingsWeatherFreeData updated 2026-09-11
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Ranked alternatives

Showing 441–460 of 1,000 ranked alternatives.

  2. Stromboscope app icon

    Stromboscope

    FB PUBLISHING LLC

    Flash for stroboscope effects

    Use the iPhone flash as a stroboscope with adjustable frequency. Serve as a powerful flashlight. Control brightness and timer settings. Switch between modes for different uses.

    ★ 4.013 ratingsEntertainmentFreeData updated 2026-09-08
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  3. Azarashi app icon

    Azarashi

    AMAYA DAISUKE

    Save the seals from dropping.

    The app challenges reflexes by having users stop seal keychains from dropping. Users must time their actions to avoid negative outcomes.

    ★ 4.830 ratingsGames$0.99Data updated 2026-09-24
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  11. Cooltix Entry app icon

    Cooltix Entry

    Cooltix kereskedelmi és szolgáltató korlátolt felelősségű társaság

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-16
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  17. Nikola Tesla AR app icon

    Nikola Tesla AR

    Yetzer Studio, LLC

    View AR content and explore products

    Explore interactive AR content featuring inventions. View embedded products that animate when scanned with the . Access historical information and 3D models of work. Share AR experiences with others.

    ★ 4.216 ratingsEducationFreeData updated 2026-09-09
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How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.