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 581–600 of 1,000 ranked alternatives.

  10. Listec app icon

    Listec

    Tafadzwa Alexander Razaro

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
    App details
  12. Air Density Calculator app icon

    Air Density Calculator

    Tan Chia Ling

    Calculate air , temperature, or pressure

    Calculate air , temperature, or pressure with instant results. Copy calculations to other apps. Includes formulas for reference. Supports up to 16 decimal places and various units for each input.

    ★ 3.84 ratingsUtilities$2.99Data updated 2026-09-15
    App details
  16. SealScan app icon

    SealScan

    Trelleborg Sealing Solutions Germany GmbH

    ★ 5.01 ratingsProductivityFreeData updated 2026-09-09
    App details

How we rank alternatives

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