Protractor Smart app icon

Apps Like Protractor Smart for iPhone and iPad

Measure angles with camera and touch

Measure angles using camera view with touch or plumb bob methods. Set angles on screen or through camera. Switch between measurement modes. Access advanced polygon measurement in premium version. Calibrate plumb bob for accurate slope readings.

by ExaMobile S.A.★ 4.6243 ratingsUtilitiesFreeData updated 2026-09-10

Protractor Smart screenshots

Ranked alternatives

Showing 541–560 of 1,000 ranked alternatives.

  1. Deed Calls - Area - Perimeter app icon

    Deed Calls - Area - Perimeter

    Corvallis Microtechnology, Inc.

    Convert property descriptions into maps.

    The app converts real property descriptions into boundary maps. Users enter angles and distances to draw property boundaries, displaying closure error, total area, and perimeter.

    ★ 1.01 ratingsProductivity$14.99Data updated 2026-09-30
  2. Refractive app icon

    Refractive

    Xavier Daxhelet

    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.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-12
  1. RigRite app icon

    RigRite

    P22 Limited

    Interactive vector force calculations for rigging.

    The app provides interactive vector force calculations for rope rigging systems. It allows users to calculate forces in multipoint anchors, tripods, highlines, and more with visual diagrams and photo overlays.

    ★ 1.26 ratingsUtilities$2.99Data updated 2026-11-05
  2. Dutchman's Log app icon

    Dutchman's Log

    Colin Porteous

    Measure boat speed over water

    Measure boat speed over water by timing how long it takes to pass a floating object. Enter boat length and units in settings. Requires two people: one on the bow to throw an object into the water and another aft to track its passage.

    ★ 0.00 ratingsNavigation$2.99Data updated 2026-09-08
  3. Level Tool: Quick Measure app icon

    Level Tool: Quick Measure

    Manuel Worlitzer

    Angles and track tilt precisely

    Angles and check leveling with precise digital tools. Adjust tilt and detect surface alignment. Save and share measurements. Sync with other devices for accurate project tracking.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
  4. Stride: AI Form Coach app icon

    Stride: AI Form Coach

    Serhii Borychev

    Analyze videos, create feedback, improve performance

    Analyze sports videos with AI tools. Draw annotations over footage to highlight technique. Measure angles precisely. Navigate slow motion and frame-by-frame. Compare two performances side-by-side.

    ★ 5.01 ratingsSportsFreeData updated 2026-09-06
  5. Magnifier with light+zoom app icon

    Magnifier with light+zoom

    michael heinz

    Zoom and view text clearly

    A magnifying glass allows users to zoom in up to 10 times on objects. It uses the phone's camera for viewing. An integrated light helps in low-light conditions. Users can adjust zoom and brightness settings.

    ★ 4.37 ratingsMedical$0.99Data updated 2026-09-08
  6. Altitude Compass app icon

    Altitude Compass

    锦滔 欧

    Measure and track location

    Provides real-time , atmospheric pressure, latitude, and longitude data. Users can switch between GPS and device altimeter for readings. Camera integration allows photo capture with location data overlay.

    ★ 5.07 ratingsUtilities$0.99Data updated 2026-09-06
  7. Slant Gauge app icon

    Slant Gauge

    Isamu Sakamoto

    Measure angles and slopes simply.

    The app measures angles and slopes. Its digital display rotates for visibility and it can speak the angle, aiding adjustment tasks.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-09
  8. Scales HD app icon

    Scales HD

    MARCELO MEJIA COBO

    Architectural engineering and metric scales.

    The app provides architectural, engineering, and metric scales. It includes tools like a tape, spirit level, and boards.

    ★ 4.04 ratingsUtilities$2.99Data updated 2026-09-17

How we rank alternatives

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