Periodic Table Clock app icon

Apps Like Periodic Table Clock for iPhone and iPad

by Jim Haungs★ 0.00 ratingsEducation$0.99Data updated 2026-09-06
App detailsView in App Store

Ranked alternatives

Showing 481–500 of 1,000 ranked alternatives.

  1. Thermal Engineering Calc app icon

    Thermal Engineering Calc

    V PUGAZHENTHI

    Calculate efficiency and energy values

    Provides tools for calculating Carnot efficiency, Eckert number, emissivity coefficient, energy efficiency, and more. Users can access thermodynamics tables, formulas, and definitions.

    ★ 4.76 ratingsProductivity$2.99Data updated 2026-09-08
    App details
  6. LSTclock: sidereal time clock app icon

    LSTclock: sidereal time clock

    Tsuyoshi Sawada

    Track LST and sync locations

    Display local for selected locations. Calculate LST and Julian Date for any date and . Sync location lists between iPhone and paired Apple Watch devices.

    ★ 3.79 ratingsUtilitiesFreeData updated 2026-09-06
    App details
  12. What's Up? app icon

    What's Up?

    John Kennedy

    Track celestial objects and view sky grid

    View the positions of the Sun, Moon, and planets on an intuitive sky grid. Slide a time bar to forecast celestial appearances. Navigate without augmented reality or motion tracking.

    ★ 4.68 ratingsEducationFreeData updated 2026-09-08
    App details

How we rank alternatives

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