Kello app icon

Apps Like Kello for iPhone and iPad

Analyze mechanical watch precision audibly.

The app analyzes mechanical watch precision by measuring the acoustic energy released as a "tick-tock" sound. It compares this sound against the iOS system clock to display timekeeping differences.

by Coldflower Design Corp.★ 2.85 ratingsUtilities$9.99Data updated 2026-09-15
App detailsView in App Store

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Ranked alternatives

Showing 541–560 of 1,000 ranked alternatives.

  12. French Horn Sight Reading app icon

    French Horn Sight Reading

    Oleg Sokolov

    Learn notes, read staff, play by ear

    Learn to read musical notes and play them on an instrument. Visualize notes on a staff and hear their sounds. Practice recognizing notes by ear and playing them mentally.

    ★ 0.00 ratingsEducation$12.99Data updated 2026-09-06
    App details

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