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 501–520 of 1,000 ranked alternatives.

  1. LeafByte app icon

    LeafByte

    Abigail Getman-Pickering

    Measure leaves and track herbivory with photos

    Measures leaf area and herbivory by taking photos of leaves and scales. Calculates total leaf area and area consumed. Uses freehand drawing to reconstruct missing leaf margins. Stores data in spreadsheets on the device or Google Drive.

    ★ 4.813 ratingsEducationFreeData updated 2026-09-14
  2. AI 3D Scanner App: Model Maker app icon

    AI 3D Scanner App: Model Maker

    CROSSING PUB LTD

    Measure rooms and objects in 3D

    Create detailed floor plans using 3D measuring tools. Measure objects or rooms by taking photos or using the screen. Leverage AR to visualize dimensions and spatial relationships. Export plans and share them directly.

    ★ 4.814 ratingsUtilitiesFreeData updated 2026-09-06
  3. 测量工具Pro-专业测量尺子 app icon

    测量工具Pro-专业测量尺子

    飞剑 姚

    Measure length, track noise levels

    Measure lengths with a ruler supporting metric and inch units. Detect ambient noise levels using a decibel meter. Use a protractor tool to measure angles via camera. Calibrate and view objects for precise measurements.

    ★ 5.02 ratingsProductivity$0.99Data updated 2026-09-12
  1. MCS.Fitting app icon

    MCS.Fitting

    Csaba Molnar

    Calculate pipe offsets and fittings quickly

    Calculate pipe offsets for 90-degree and mitered fittings. Input dimensions manually or select from ANSI or DN standards. Compute offsets with elbows, tees, and various radii. Support any degree of offset calculation.

    ★ 1.02 ratingsProductivity$6.99Data updated 2026-09-28
  2. Kalcu app icon

    Kalcu

    Martin Valorzi

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  3. ShowTool LD app icon

    ShowTool LD

    Daniel Murfin

    Lighting design and electrics utilities.

    The app provides utilities for lighting design and electrics. It calculates beam angles, gel cuts, DMX configurations, and power consumption.

    ★ 4.76 ratingsUtilities$4.99Data updated 2026-09-11
  4. Sensorist app icon

    Sensorist

    Sensorist ApS

    Measure environment data anywhere online.

    The app connects to custom-designed sensors to measure temperature, humidity, CO₂, VOC, barometric pressure, and water levels. Measurements are stored online and accessible from anywhere via the website or app.

    ★ 4.73 ratingsUtilitiesFreeData updated 2026-10-19
  5. Light Meter Wheel app icon

    Light Meter Wheel

    David Quiles

    Measure light with visual control.

    The app provides a visual and precise method for measuring light. It displays aperture, shutter speed, and ISO on a connected exposure wheel for at-a-glance control.

    ★ 4.611 ratingsPhoto & Video$1.99Data updated 2026-10-21
  6. Mien app icon

    Mien

    Robert Atherton

    ★ 0.00 ratingsNavigationFreeData updated 2026-09-13
  7. Plnar Pro app icon

    Plnar Pro

    Smart Picture Technologies Inc.

    Capture photos, measure, model properties

    Capture and analyze property details using smartphone photos. Generate 2D and 3D models from images. Measure dimensions and create project assets. Document appraisals, inspections, and claims without manual tracing. Export and share models directly.

    ★ 5.06 ratingsUtilitiesFreeData updated 2026-09-06
  8. Rail Tasker app icon

    Rail Tasker

    Softlogix B.V.

    Track training, assign tasks, measure performance

    Document training observations with ratings and comments. Assign individuals to checklists. View task completion standards and progress. Track training history and performance metrics. Manage on-the-job training assessments in real-time.

    ★ 4.17 ratingsBusinessFreeData updated 2026-09-18
  9. Crown Molding app icon

    Crown Molding

    2319062 Ontario Inc.

    Calculate angles and lengths

    Calculate miter and bevel angles for cuts using a miter saw. Input measurements for horizontal corners or other angles. Generate precise cutting instructions for accurate installation. Support for both flat ceilings and mantels.

    ★ 3.02 ratingsUtilities$1.99Data updated 2026-09-08
  10. WeighCam: Scale for Grams app icon

    WeighCam: Scale for Grams

    Myron Holub

    Take photos and measure weight

    Take a photo of an object and use AI to estimate its weight based on size and proportions. Measure multiple object types like produce, luggage, or tools. Save and share weight estimates directly from the .

    ★ 4.98 ratingsUtilitiesFreeData updated 2026-09-06
  11. Ruler Pro - Tape Measure AR app icon

    Ruler Pro - Tape Measure AR

    Vladislav Kovalski

    Objects with augmented reality

    Objects using augmented reality with ARKit. Place the aiming mark at the start point, tap to , and move the phone to capture dimensions. Export measurements and share results.

    ★ 4.713 ratingsUtilities$2.99Data updated 2026-09-06
  12. Fittings App ANSI app icon

    Fittings App ANSI

    Steffen Weber

    Measure flange dimensions and bolt details

    Measure flange dimensions including class rating, bolt size, and thickness. Calculate elbow cutting measurements based on radius and standard specifications. Input manual data for custom adjustments.

    ★ 4.26 ratingsProductivity$3.99Data updated 2026-09-18
  13. 3Dazer app icon

    3Dazer

    Laurel At Sunset, Inc.

    Measure with 3D laser precision

    Create and manage projects with task lists, notes, and file storage. Measure distances using connected laser devices. Export and share measurement data. Organize and track project details for collaboration and reporting.

    ★ 4.315 ratingsUtilitiesFreeData updated 2026-09-11

How we rank alternatives

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