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

Refractive screenshots

Ranked alternatives

Showing 221–240 of 1,000 ranked alternatives.

  1. Audiofile Calc — LUFS, dB, Hz app icon

    Audiofile Calc — LUFS, dB, Hz

    Audiofile Engineering, LLC

    Calculate audio parameters and settings

    Calculate note lengths and bar lengths for musical compositions. Convert time signatures and tempo. Adjust beat divisions and measure counts. Export results and share calculations.

    ★ 4.513 ratingsMusicFreeData updated 2026-09-08
  2. Right Angle app icon

    Right Angle

    Jerry Mayers

    Solve geometry problems without a notepad.

    The app calculates properties for triangles, trapezoids, and circles. It accepts various input formats for angles and lengths, displaying results in the chosen format.

    ★ 3.930 ratingsProductivityFreeData updated 2026-09-10
  1. REDRIE FLY app icon

    REDRIE FLY

    ShanTou City Vison Electronictechnology Co., Ltd.

    ★ 3.235 ratingsUtilitiesFreeData updated 2026-09-06
  2. Touver Guide app icon

    Touver Guide

    Deschamps Aplicativos de Software Ltda

    Identify transmission types and models

    Automatic Transmission allows users to identify automatic transmission types by vehicle model. It provides detailed information on transmission specifications. Users can search for vehicle models and view corresponding transmission details.

    ★ 4.725 ratingsUtilitiesFreeData updated 2026-09-06
  3. VS FPV PRO app icon

    VS FPV PRO

    ShanTou City Vison Electronictechnology Co., Ltd.

    ★ 2.334 ratingsUtilitiesFreeData updated 2026-09-06
  4. VideoCalc app icon

    VideoCalc

    Nelcea

    Design home theaters with consistent calculations.

    The app helps users design home theaters with calculations for screens, projectors, and placement. It guides users through industry standards and practices for system design.

    ★ 5.05 ratingsUtilities$3.99Data updated 2026-09-10
  5. Car Identifier - collect cars app icon

    Car Identifier - collect cars

    Ideas All Day Ltd.

    Identify vehicles with a photo

    Identify vehicles by uploading or taking a photo. Retrieve details such as top speed, transmission type, power, and drivetrain. Browse information through an intuitive and organized interface.

    ★ 4.111 ratingsUtilitiesFreeData updated 2026-09-06
  6. Angles Calculator app icon

    Angles Calculator

    Jim Chapple

    Calculate triangle and sides

    Calculate and side lengths of right angle triangles using sine, cosine, and tangent. Input known values to determine missing measurements. Explain calculation steps and rules for applying trigonometric ratios.

    ★ 4.810 ratingsEducation$0.99Data updated 2026-09-08
  7. Ballbank app icon

    Ballbank

    Christopher Dry

    Measure curves, set advisory speeds

    Measures roadway curve angles in degrees. Calculates combined effects of superelevation, vehicle roll, and lateral acceleration. Provides advisory speed recommendations for horizontal curves. Syncs with devices for data storage and analysis.

    ★ 4.544 ratingsUtilitiesFreeData updated 2026-09-10

How we rank alternatives

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