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 401–420 of 1,000 ranked alternatives.

  1. Decibel Meter-Noise monitoring app icon

    Decibel Meter-Noise monitoring

    Mirarobot Science & Technology Co., Ltd.

    Measure noise, track decibels, generate reports

    Measure ambient noise levels in real time and save data locally. Generate visual reports from collected data. Record noise changes with camera forensics.

    ★ 4.214 ratingsUtilitiesFreeData updated 2026-09-06
  2. Miter Angle Calculator app icon

    Miter Angle Calculator

    Ronnie Hurst

    Calculate angles for cross braces and table

    Calculate angles for cross braces and table x bracing. Input width, height, and board dimensions. Choose board orientation. Display angles for board ends and intersections. Support imperial and metric units. Provide board length requirements.

    ★ 3.712 ratingsProductivity$2.99Data updated 2026-11-03
  1. Cross It Off – Shopping & Todo app icon

    Cross It Off – Shopping & Todo

    Bryan Wu

    Draw items, scan, and check off groceries

    List allows users to draw items directly on images or screenshots. The screen remains active during use to prevent frequent unlocking. Items can be added visually without typing. Users can zoom in for precise drawing.

    ★ 4.220 ratingsShopping$0.99Data updated 2026-11-04
  2. Measure tree heights app icon

    Measure tree heights

    illumie AS

    Height with phone camera

    Use a phone's camera to the height of objects like trees and buildings. Calculate height based on distance and angle. Save and share measurements. Export data as images or text.

    ★ 1.56 ratingsEducationFreeData updated 2026-09-18
  3. ToolX: Pocket Measure Ultimate app icon

    ToolX: Pocket Measure Ultimate

    Ngoc Thanh Pham

    Length, angles, and pressure

    Lengths and angles using a digital ruler and protractor. Detect tilt, pressure, and metal with built-in sensors. Calculate distances and heights with realistic calibration. Sync measurements across devices and export data for analysis.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  4. Ruler AR Camera Measuring Tape app icon

    Ruler AR Camera Measuring Tape

    xita apps

    Measure objects with AR

    Measure objects using augmented reality and a . Calculate scale, height, area, and length. Use photo , inch , and measure tools. Export measurements and share results.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  5. RadioactivityCounter app icon

    RadioactivityCounter

    Rolf-dieter Klein

    Phone becomes radioactivity counter device.

    The app transforms a phone into a Geiger Müller counter for radioactivity measurement after calibration. It detects gamma and some beta radiation using the camera sensor.

    ★ 3.110 ratingsUtilities$4.99Data updated 2026-09-22
  6. GPS Field Area Measure on Map app icon

    GPS Field Area Measure on Map

    Anastasiia Kulias

    Land areas with GPS

    Calculate land using GPS coordinates. Draw shapes on maps to fields or plots. Add GPS stamps to photos with location, time, weather, and compass data. View live maps and magnetic information.

    ★ 4.815 ratingsUtilitiesFreeData updated 2026-09-06
  7. Spike by ikeGPS app icon

    Spike by ikeGPS

    ikeGPS, Inc.

    Measure objects with a photo

    Measure objects by taking a photo with a smartphone or tablet. Capture real-time dimensions like height, width, area, and length. Share measurements via Cloud. Sync with laser device for accurate data. Export measurements in various formats.

    ★ 3.915 ratingsUtilitiesFreeData updated 2026-09-09
  8. Trigonometry Calculator. app icon

    Trigonometry Calculator.

    Horitech Ltd

    Calculate triangle angles and sides

    Calculate sides and angles for right-angled and scalene triangles. Access a reference guide for formulas. Perform precise calculations using known values.

    ★ 4.26 ratingsUtilitiesFreeData updated 2026-09-06
  9. FF: Depth of Field Calculator app icon

    FF: Depth of Field Calculator

    Lukas Schmidt

    Calculate of for any camera

    Calculate focus distances and blur levels for objects in photos or videos. Input camera settings and lens details. Visualize -of- with intuitive diagrams. Supports multiple camera models and includes precision mode for advanced adjustments.

    ★ 4.023 ratingsPhoto & Video$2.99Data updated 2026-09-09
  10. AR Ruler Lite - Measure Length app icon

    AR Ruler Lite - Measure Length

    圣辉 金

    Distances with AR precision

    Use phone camera to distances between points in 3D space. Tap to select start and end points. objects like furniture, doors, and paintings. Display measurements in multiple units. Share results via email or messaging.

    ★ 4.426 ratingsUtilitiesFreeData updated 2026-09-13
  11. PinholeMeter app icon

    PinholeMeter

    Takeshi Ono

    Measure light for pinhole photography.

    The app measures light exposure for pinhole photography. Users set the F-number, ISO, and tap the preview window for measurement.

    ★ 3.67 ratingsPhoto & VideoFreeData updated 2026-09-26
  12. CamScale - Easy measuring & remodeling by camera app icon

    CamScale - Easy measuring & remodeling by camera

    Prime System Laboratory Co.,Ltd.

    Measure furniture and spaces with camera.

    The app uses the iPhone camera to measure furniture width, depth, and height. Users can measure spaces and confirm furniture placement images within those spaces.

    ★ 1.04 ratingsUtilitiesFreeData updated 2026-10-09

How we rank alternatives

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