Measure angles and slopes with your phone's camera. Offers real-time angle display, two measurement modes, and the ability to capture and store measurements.
Angle Meter by nakhon phagdeechat
Editor's Choice
🔧 Utilities
2.5(28 ratings)
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Best apps like PROtractor – the angle tool for every carpenter, joiner und craftsman
10+ similar apps compared and reviewed
4.0 avg rating
10 free apps
Updated August 2026
Whether you want more options like PROtractor or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to PROtractor
2.9(10 ratings)
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This utility app helps you measure angles with your iPhone. It provides notifications when a target angle is reached, with options for visual and auditory alerts.
Digital Angle Finder: 3D Meter by ALEXEY BRILEV
Protractor & 3D Angle MeasureWorth Considering
🔧 Utilities
4.1(221 ratings)
Free
Measure angles precisely using your device's sensors. It functions as both a protractor and a 3D angle meter, allowing you to determine angles between surfaces or lines on a plane with high accuracy. Save your measurements by taking photos with the angle recorded.
More apps like PROtractor
4
Angle Gradient Inclinometer
Angle 360 Degree, Gradient%
Free
Easily measure tilt angles with this free protractor app. It displays inclination from 0 to 359 degrees, along with gradient percentages and angles summing to 180 or 360 degrees. Switch to theodolite mode to set a specified angle to zero.
Measure tilt angles 0-359 degreesDisplay gradient percentageShow sum angles (180/360)
🔧 Utilities
(215)
ad-supported5
Protractor Smart
Measure Every Angle
Free
This app acts as a smart instrument for measuring angles using your device's camera. It offers two free modes for measuring angles on screen or using a plumb bob for slopes, with an additional premium mode for polygon measurements.
Camera-based angle measurementTouch measure modePlumb bob measure for slopes
🔧 Utilities
(180)
free with in-app purchases6
Multi Angle Meter
All Angle on one screen
Free
This app displays the tilt angle of your device across three axes: yaw, pitch, and roll. It offers customizable angle notifications with vibration and sound alerts, and allows you to reset angles relative to the ground or a table. A camera view can be activated for live visual context.
Displays yaw, pitch, and roll anglesAngle reset to ground or tableCustomizable angle notifications
🔧 Utilities
(2)
free7
Bubble Level: AR, Angle Finder
Spirit Level & Clinometer Tool
Free
This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.
Ultra-precise angle measurementInclination and slope meterAugmented reality ruler and protractor
🔧 Utilities
(682)
free with in-app purchases8
Protractor for Angle Measuring
Measure Angles in Few Taps
Free
Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.
Real-time angle measurementTouch and camera modesMeasure angles in photos
🔧 Utilities
(1K)
free with in-app purchases9
Construction Master 5 Español
Calculadora de Construcción
Free
This app is a specialized calculator for construction professionals, offering advanced functions for carpentry and building tasks. It supports various dimensional formats and provides instant help with videos and diagrams.
Calculations in feet-inches-fractionsConverts between dimensional formatsBuilt-in right-angle solutions
🔧 Utilities
(561)
free with in-app purchases10
Measure Angles - Bubble Level
Protractor, Clinometer, Slopes
Free
This app transforms your device into a versatile measuring tool. It offers precise angle readings with a digital protractor and bubble level, along with AR-powered distance and volume measurements. Ideal for professionals, DIY enthusiasts, and everyday tasks requiring accuracy.
Digital protractor for angle measurementBubble level for surface flatnessAR-powered distance and volume estimation
🔧 Utilities
(2K)
free with in-app purchases