Clear Sky Calculator app icon

Apps Like Clear Sky Calculator for iPhone and iPad

Calculate solar radiation intensity

Calculate solar radiation intensity using equations for pyranometers or quantum sensors. Estimate global shortwave radiation or photosynthetic photon flux density. Determine recalibration needs for radiation sensors based on location and time.

by Apogee Instruments, Inc.★ 5.02 ratingsBusinessFreeData updated 2026-09-09

Clear Sky Calculator screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Planets app icon

    Planets

    Dana Peters

    Explore in 3D view

    Explore the solar system with 3D views of and the moon. Locate celestial bodies using 2D and 3D sky maps. Check visibility times for . Rotate a 3D globe to view planetary details.

    ★ 4.5972 ratingsUtilitiesFreeData updated 2026-09-08
  1. Sun and Moon Position app icon

    Sun and Moon Position

    shebli geegieh

    Track sun and positions

    Calculates sun and positions with 0.3% accuracy. Determines sunrise and sunset times. Provides moonrise and moonset times. Adjusts for elevation and time zone.

    ★ 4.365 ratingsUtilitiesFreeData updated 2026-09-14
  2. Calculator - Pad Edition app icon

    Calculator - Pad Edition

    Ratha Sou

    Calculate in portrait, science in landscape

    Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.

    ★ 4.7357,788 ratingsUtilitiesFreeData updated 2026-09-08
  3. Current Altitude app icon

    Current Altitude

    Hearn Apps, LLC

    Companion for hiking camping climbing flying

    The app uses the device's GPS to save and display locations. Users can share their location and altitude with friends.

    ★ 4.817,990 ratingsUtilitiesFreeData updated 2026-09-12
  4. Sun position and path app icon

    Sun position and path

    siranet GK

    Track sun in real-time with AR

    Track the sun's and trajectory using augmented reality. Point the device at the sky to see real-time solar location. View 3D sun paths on Google Maps for any location.

    ★ 4.71,843 ratingsUtilitiesFreeData updated 2026-09-23
  5. Coordinates – GPS Converter app icon

    Coordinates – GPS Converter

    Mapnitude Company Limited

    View , convert formats, manage locations

    View and convert geographic across multiple formats and datums. Manage locations with an intuitive interface. Display current location at the intersection of two grey lines. Export in various global systems.

    ★ 4.66,623 ratingsNavigationFreeData updated 2026-09-08
  6. Basic Calculator+ app icon

    Basic Calculator+

    Christie Clark

    Calculate with large buttons and clear display

    A calculator with a clear display and large buttons supports functions. Switch between portrait and landscape modes on iPad. Perform simple calculations without additional features.

    ★ 4.9258,702 ratingsUtilitiesFreeData updated 2026-09-08
  7. Nuke Simulator - Blast Map app icon

    Nuke Simulator - Blast Map

    方元 朱

    Simulate nuclear explosions and calculate affected areas

    Calculate radiation radius and casualties based on nuclear weapon yields. Input explosion details to estimate affected areas. Display results for evacuation planning and educational purposes.

    ★ 4.6917 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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