Protractor+ app icon

Apps Like Protractor+ for iPhone and iPad

Measure angles in degrees and radians

Measure angles using your iPhone as a protractor. Select degrees or radians. Adjust the angle visually with intuitive controls.

by Tue Nguyen Minh★ 4.110,412 ratingsUtilitiesFreeData updated 2026-09-08

Protractor+ screenshots

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. arDef app icon

    arDef

    ANALYTIC SERVICES LTD

    Measure dimensions, angles, and distances with AR

    Measure dimensions, angles, and distances using augmented reality. Tap the camera to scan objects and receive precise measurements. Save and share measurement data. Sync with other devices for collaborative projects.

    ★ 4.523 ratingsProductivityFreeData updated 2026-09-06
  2. Pocket Laser Level 360 app icon

    Pocket Laser Level 360

    Nikita Chizhov

    Point device to measure angles and levels

    Use device sensors to check horizontal and vertical alignment of objects. Point camera at object to detect crookedness and measure degrees. Switch to protractor mode to measure angles for precise cuts.

    ★ 4.6244 ratingsUtilitiesFreeData updated 2026-09-06
  3. Roofing Calculator Pro app icon

    Roofing Calculator Pro

    Anna Filobok

    Calculate roof pitch and rafter length

    Convert between imperial and metric units in real time. Calculate roof pitch, rafter length, and roof area using rise, run, or house area. Input measurements in meters, centimeters, or inches.

    ★ 4.034 ratingsUtilitiesFreeData updated 2026-09-06
  1. Unit Measurement Converter 汇率 app icon

    Unit Measurement Converter 汇率

    汇杭 钟

    Convert units and track currency rates

    Convert units across length, area, volume, angle, mass, pressure, and more. Check real-time currency exchange rates. Recalculate instantly with updated values. Save frequently used conversions for quick access.

    ★ 4.6182 ratingsUtilitiesFreeData updated 2026-09-06
  2. Measuring Tape: AR Ruler app icon

    Measuring Tape: AR Ruler

    Aram Meir

    Point and measure with AR camera

    Use AR technology to measure lengths, heights, and angles by pointing the camera at objects. Capture and save measurements with the photo . Check alignment using the built-in level tool.

    ★ 3.817 ratingsUtilitiesFreeData updated 2026-09-06
  3. iSetSquare app icon

    iSetSquare

    Peter Breitling

    Measure angles and rotation with gyroscope.

    The app measures relative angles and rotation using the gyroscope sensor. It offers five unit modes, background or foreground display rotation, and fine calibration of the gyrometer.

    ★ 3.26 ratingsUtilities$1.99Data updated 2026-09-15
  4. Photo Measures app icon

    Photo Measures

    Cubent SARL

    Measure objects in photos and save notes

    Measure objects in photos using rulers and scale tools. Save and organize measurements with timestamps and notes. Export data as PDF or share directly. Sync measurements across devices.

    ★ 4.6528 ratingsProductivity$6.99Data updated 2026-10-28
  5. Measure Master Pro Calculator app icon

    Measure Master Pro Calculator

    Calculated Industries, Inc.

    Solve U.S. and metric unit conversions.

    The app converts U.S. and metric units for measurements, including linear, area, and volume dimensions.

    ★ 4.94,284 ratingsUtilitiesFreeData updated 2026-09-16
  6. ArcCalc app icon

    ArcCalc

    Roseller Sunga

    Calculate arc dimensions with two values

    Calculate arc dimensions including radius, length, width, height, apothem, angle, and area. Input any two values to derive the rest. Useful for carpenters, architects, and engineers. Supports complex mathematical calculations.

    ★ 4.8268 ratingsProductivityFreeData updated 2026-09-08
  7. Scientific Calculator + app icon

    Scientific Calculator +

    Kyle Bartlett

    Calculate, solve, and analyze equations

    Perform complex calculations with functions including trigonometry, hyperbolic operations, and logarithms. Use memory functions, angle modes, and constants like π and e. Evaluate expressions with parentheses and view calculation history.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
  8. Spyglass app icon

    Spyglass

    Pavel Ahafonau

    Track routes, find waypoints, and navigate offline

    Navigate outdoors with offline GPS maps and real-time augmented reality. Track waypoints and custom locations. Use a gyrocompass, speedometer, altimeter, and inclinometer. Find celestial bodies and measure angles.

    ★ 4.73,867 ratingsNavigationFreeData updated 2026-09-08
  9. Calculator: Pro app icon

    Calculator: Pro

    Appgeneration, Software Technologies, Lda

    Calculate, convert, and solve equations

    MyCalc offers basic and scientific calculation functions. Users can switch between portrait and landscape modes. It supports currency and unit conversions. Results, equations, and conversions can be copied, shared, or saved.

    ★ 4.7584 ratingsProductivityFreeData updated 2026-10-12
  10. Roof Pitch Factor app icon

    Roof Pitch Factor

    BeOriginal

    Find roof pitch using camera.

    The app determines roof pitch using the device camera. It displays pitch factor and degrees without manual calculations.

    ★ 3.8487 ratingsUtilitiesFreeData updated 2026-10-25
  11. Calctan app icon

    Calctan

    Jorge Lozada

    Calculate complex equations

    Perform complex calculations with scientific functions, trigonometry, and unit conversions. Customize themes, adjust display settings, and save frequently used formulas. Export results and share calculations directly.

    ★ 4.561 ratingsUtilitiesFreeData updated 2026-09-16
  12. Measuring Tape, Photo Ruler app icon

    Measuring Tape, Photo Ruler

    Grymala sp. z o.o.

    With AR and traditional tools

    Distances and angles using augmented reality and on-screen rulers. Tap to mark points and calculate lengths. Export measurements as text or image. Sync with other devices for collaborative projects.

    ★ 4.22,613 ratingsProductivityFreeData updated 2026-09-10
  13. Math Calculator · 12-in-1 app icon

    Math Calculator · 12-in-1

    Xi'an 7kit Technology Co., Ltd.

    Calculate, convert, solve equations

    Performs basic arithmetic, base conversion between binary, octal, decimal, and hexadecimal. It calculates GCD and LCM, factors primes up to 10^18, and solves roots and exponents. Includes 12 modes for various mathematical functions.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
  14. Uneat Converter app icon

    Uneat Converter

    ZIJIAN CHEN

    Convert units across 18 categories

    Convert units across 18 categories including angle, area, base, digital storage, and electric potential.

    ★ 4.916 ratingsUtilitiesFreeData updated 2026-09-06
  15. Ruler AR - Measuring Tape Cam app icon

    Ruler AR - Measuring Tape Cam

    Vladislav Kovalski

    Length and height

    Length and height using your phone's as a or . Detect surroundings with AR technology. Use the level tool for precise measurements. Place aiming mark on object for accurate readings.

    ★ 4.33,492 ratingsUtilitiesFreeData updated 2026-09-13
  16. Geometry Calculator Solver app icon

    Geometry Calculator Solver

    Cristina Munoz Castillo

    Solve problems and calculate angles

    Calculate area, perimeter, and angles for various shapes including right-angled triangles, squares, equilateral triangles, circles, isosceles triangles, ellipses, and scalene triangles.

    ★ 3.01 ratingsEducationFreeData updated 2026-09-06
  17. Scientific Calculator++ app icon

    Scientific Calculator++

    Behzad Dogahe

    Calculate, graph, and analyze data

    Calculator++ displays expressions in real-time and maintains a calculation history. It supports fraction operations, unit conversions, and advanced functions. Users can graph equations and perform complex calculations.

    ★ 5.021 ratingsUtilities$2.99Data updated 2026-09-08

How we rank alternatives

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