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 421–440 of 1,000 ranked alternatives.

  1. Vernier Caliper Micrometer app icon

    Vernier Caliper Micrometer

    齐 陈

    Measure lengths in inches or centimeters

    Measure short lengths with precision using a digital . Switch between inches and centimeters. Calibrate measurements for accuracy. Adjust units and view results on a clean, intuitive interface.

    ★ 4.122 ratingsUtilitiesFreeData updated 2026-09-13
  1. Scale for Grams & Weighing AI app icon

    Scale for Grams & Weighing AI

    Muhammet Talha VAROL

    Weigh objects with your iPhone

    Use your iPhone's camera to estimate object weight with AI. Snap photos of items to determine their weight in . No additional hardware required.

    ★ 5.09 ratingsUtilitiesFreeData updated 2026-09-06
  2. Theodolite for Watch app icon

    Theodolite for Watch

    Craig Hunter

    Navigate with AR and map your path

    Measure direction and elevation with a digital compass and inclinometer. Access real-time GPS and map data. Navigate using location-based routes. Share coordinates and track movement history.

    ★ 4.220 ratingsNavigation$1.99Data updated 2026-11-01
  3. Engineering Survey Calculator app icon

    Engineering Survey Calculator

    V PUGAZHENTHI

    Calculate parameters and units

    Calculate standard deviation, probable error, and error of the mean for surveying and civil measurements. Switch between imperial and metric units. Perform calculations for series of observations and single or combined accidental errors.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-08
  4. Speedy - beautiful speedometer app icon

    Speedy - beautiful speedometer

    yasin turkoglu

    Track speed and distance in real time

    Calculate speed and distance traveled. Tap the screen to reveal control buttons. Hide buttons after five seconds. View settings and information windows.

    ★ 4.717 ratingsNavigation$0.99Data updated 2026-09-11
  5. Sloan Connect app icon

    Sloan Connect

    Sloan Global Holdings, LLC.

    Adjust faucet settings remotely

    Manage water usage with real-time measurement and reporting. Adjust faucet settings wirelessly, select activation modes, and set timeouts. Activate line flush to clear supply lines. Check battery levels and sensor range.

    ★ 3.812 ratingsProductivityFreeData updated 2026-09-14
  6. DrGoniometer app icon

    DrGoniometer

    CDM S.r.L

    Measure patient articulation angles and store.

    The app measures patient articulation angles and stores related data. It supports management of patient records and historical data bases for articulations and movements.

    ★ 2.33 ratingsMedical$11.99Data updated 2026-09-13
  7. foolcontrol app icon

    foolcontrol

    FOOLCOLOR

    Control cameras and preview footage

    Control RED DIGITAL CINEMA DSMC™ cameras via Wi-Fi. Adjust recording settings, frame rate, timecode, and shutter speed. Preview live feed, manage pre-record, and apply lookaround. Monitor histogram and goal posts.

    ★ 4.119 ratingsPhoto & Video$99.99Data updated 2026-09-29
  8. Seismometer app icon

    Seismometer

    FFFF00 Agents AB

    Measure vibrations, shakes, and movements.

    The app measures vibrations, shakes, and movements using the iPhone's accelerometer. It calculates energy and displays results on a logarithmic scale, offering signal filters, configurable settings, recordings, and CSV exporting.

    ★ 3.317 ratingsUtilities$1.99Data updated 2026-09-10
  9. 1QR.com app icon

    1QR.com

    1QR Ltd.

    Generate QR codes and track scans

    Create and customize QR codes with adjustable colors, shapes, and logos. Set destinations and manage codes through shareable links. Track scans and view analytics on content engagement.

    ★ 5.012 ratingsProductivityFreeData updated 2026-09-06
  10. Land Rover Dashcam app icon

    Land Rover Dashcam

    Land Rover

    Record driving events and share clips

    Record driving events with full HD front and rear cameras. Connect smartphone via Wi-Fi to view and manage footage. Share recordings directly from the .

    ★ 1.416 ratingsUtilitiesFreeData updated 2026-09-27
  11. VELUX Roof Pitch app icon

    VELUX Roof Pitch

    VELUX A/S

    Measure roof pitch for window selection.

    The app measures a roof's pitch to help select a roof window. The roof window's height and placement adjust based on the roof's pitch.

    ★ 2.48 ratingsUtilitiesFreeData updated 2026-10-20
  12. Oscilloscope app icon

    Oscilloscope

    ONYX 3

    Analyze audio signals and waveforms

    Analyze audio signals with features including triggering, time and voltage per division, and measurement cursors. Generate signals with adjustable frequency and waveform.

    ★ 4.119 ratingsMusic$19.99Data updated 2026-09-08

How we rank alternatives

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