Refractive app icon

Apps Like Refractive for iPhone and iPad

Optical calculations for engineers and students.

The app calculates the refractive index of transparent materials based on wavelength. It also computes light transmission angles, reflection and transmission coefficients, critical angle, and Brewster’s angle.

by Xavier Daxhelet★ 5.03 ratingsEducationFreeData updated 2026-09-12
App detailsView in App Store

Refractive screenshots

Ranked alternatives

Showing 501–520 of 1,000 ranked alternatives.

  1. Eutelsat satellite finder app icon

    Eutelsat satellite finder

    Eutelsat SA

    Find parameters and adjust antenna settings

    Find parameters for fleet. Use augmented reality to set antenna location and adjust polarization angle. Display positions and tracking details.

    ★ 5.01 ratingsBusinessFreeData updated 2026-09-08
    App details
  2. GovHK Notifications app icon

    GovHK Notifications

    Digital Policy Office

    Receive government alerts and messages

    Receive government alerts and updates via mobile devices. Choose preferred notification categories. Share messages through SMS, email, and social media platforms.

    ★ 1.02 ratingsUtilitiesFreeData updated 2026-09-06
    App details
  5. YiMultiScreen app icon

    YiMultiScreen

    Shenzhen Konka Electronic Technology Co., Ltd.

    ★ 3.73 ratingsUtilitiesFreeData updated 2026-09-06
    App details
  6. UnifiedCalc app icon

    UnifiedCalc

    Yuntao Tech Ltd.

    Calculate BMI and track health metrics

    Health Calculator measures body mass index and basal metabolic rate. Tip Calculator automatically computes tip amounts based on bill and percentage. Both calculators provide straightforward results without additional features.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
    App details
  12. VKAM app icon

    VKAM

    Shenzhen VeePai IoT Intelligent Technology LLC

    Monitor devices remotely and view live feeds

    Monitor and manage surveillance devices remotely through cloud login. Preview HD video in real time and split-screen view multiple devices. Adjust camera angles and focal lengths remotely. Use two-way voice intercom for real-time communication.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
    App details
  14. Lightning Distance Calculator app icon

    Lightning Distance Calculator

    Gianluca Natalini

    Calculate lightning distance from storm.

    The app calculates the distance between lightning and the user's location. It measures the distance in meters and feet based on user input when lightning is seen or thunder is heard.

    ★ 3.52 ratingsUtilities$0.99Data updated 2026-09-12
    App details
  16. Illuminance Conversion app icon

    Illuminance Conversion

    Tan Chia Ling

    Convert units with precision

    Convert units between lux, foot-candles, and other photometric measurements. Calculate conversions based on standard formulas. Display results with precision and support for multiple unit systems.

    ★ 0.00 ratingsUtilities$2.99Data updated 2026-09-09
    App details
  17. GlobalUV app icon

    GlobalUV

    Jeremy Burke

    Check UVI levels and track daily changes

    Monitor UV Index levels for any location globally. View current UVI and forecast for the day. Select locations to check UV levels. Receive alerts for high UV exposure. Track sun elevation impact on UV intensity.

    ★ 4.84 ratingsEducationFreeData updated 2026-09-11
    App details

How we rank alternatives

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