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Best Protractor App For Angle Measurements

247+ iOS apps curated and reviewed

3.8 avg rating
17 free apps
Updated August 2026

The best protractor app for angle measurements on iPhone average 3.8★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Protractor App For Angle Measurements (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Protractor for Angle MeasuringProtractor for Angle MeasuringFree4.5★ (1K)YesYesAug 2026
2Protractor SmartProtractor SmartFree4.6★ (242)NoYesAug 2026
3Protractor+Protractor+Free4.1★ (10K)NoYesAug 2026
4Protractor (Angle measurement)Protractor (Angle measurement)Free3.4★ (5)YesNoAug 2026
5Protractor - Angle MeasureProtractor - Angle MeasureFree3.8★ (13)YesNoAug 2026
6AngleFinder: ProtractorAngleFinder: ProtractorFree—NoNoAug 2026
7Protractor Angle Measure ToolProtractor Angle Measure ToolFree4.5★ (158)NoYesAug 2026
8Angle Measure, Digital RulerAngle Measure, Digital RulerFree5.0★ (2)NoYesAug 2026

Top Picks for Protractor App For Angle Measurements

Protractor for Angle Measuring#1

Protractor for Angle Measuring by AppLiks Sp. z O.O.

Measure Angles in Few Taps
Editor's Choice
🔧 Utilities
4.5😐(1K ratings)
FreeAdsIn-App Purchases
Protractor for Angle Measuring screenshot 1
Protractor for Angle Measuring screenshot 2
Protractor for Angle Measuring screenshot 3
Protractor for Angle Measuring screenshot 4

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.

What We Love

  • 👍 Useful for surveying and measuring angles
  • 💡 Interesting use of camera to overlay protractor
  • 👍 Helps with specific use cases like golf setup
  • 👍 Provides a clutter-free protractor experience

Room to Improve

  • 🐛 Difficulty using the protractor tool and angle measurement
  • 🐛 Inability to zoom in/out when measuring angles in photos
  • 🐛 Inaccurate angle measurements in some cases
Protractor Smart#2

Protractor Smart by ExaMobile S.A.

Measure Every Angle
Strong Contender
🔧 Utilities
4.6(242 ratings)
FreeIn-App Purchases
Protractor Smart screenshot 1
Protractor Smart screenshot 2
Protractor Smart screenshot 3
Protractor Smart screenshot 4
Protractor Smart screenshot 5
Protractor Smart screenshot 6

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.

Protractor+#3

Protractor+ by Tue Nguyen Minh

+ Angle Meter & Clinometer
Worth Considering
🔧 Utilities
4.1😞(10K ratings)
FreeIn-App Purchases
Protractor+ screenshot 1
Protractor+ screenshot 2

Transform your device into a versatile angle measurement tool. Easily measure angles in both degrees and radians with an intuitive interface. Ideal for quick and precise angle readings.

What We Love

  • 🚀 Quick angle measurement
  • 👍 Useful for physics labs
  • 👍 Easy to use

Room to Improve

  • 🔒 Degrees feature locked behind paywall
  • 🐛 Unreliable camera feature
  • 🔋 Frequent timeouts force upgrade

More Protractor App For Angle Measurements apps to explore

4
Protractor (Angle measurement)
Protractor (Angle measurement)
Protractor (Angle measurement)
by EONSOFT
Free

Measure angles of objects using your device's camera. This utility app acts as a digital protractor, allowing you to accurately determine angles in real-world scenarios. Perfect for when a physical protractor is unavailable.

Camera-based angle measurementDigital protractor functionalityMeasure angles of objects
🔧 Utilities
(5)
ad-supported
5
Protractor - Angle Measure
Protractor - Angle Measure
Protractor - Angle Measure
Digital Protractor & Camera
Free

Measure angles precisely using your phone's screen or camera. This intuitive tool allows you to adjust measurement lines and instantly see the angular difference. Ideal for professionals and hobbyists needing quick, accurate angle calculations.

Angle measurement with adjustable linesCamera integration for real-world measurementsFreeze function for static measurements
🔧 Utilities
(13)
ad-supported
6
AngleFinder: Protractor
AngleFinder: Protractor
AngleFinder: Protractor
Measure Photos & Camera
Free
🔧 Utilities
(0)
7
Protractor Angle Measure Tool
Protractor Angle Measure Tool
Protractor Angle Measure Tool
Spirit Bubble Level & Slope
Free

This tool transforms your device into a precise angle measurement instrument. It's ideal for DIY projects, construction, and renovations, offering real-time readings in various formats. Get professional-grade accuracy for all your angled surface needs.

Precise angle measurementVertical and horizontal orientationsMultiple measurement units (degrees, radians, gradians)
🔧 Utilities
(158)
free with in-app purchases
8
Angle Measure, Digital Ruler
Angle Measure, Digital Ruler
Angle Measure, Digital Ruler
Protractor Bubble-level finder
Free

Transform your device into a versatile measuring tool. Accurately find and measure angles, levels, and distances with a digital protractor, ruler, and bubble level. Features include a flashlight and camera integration for precise work in any condition.

Digital protractor and angle finderBubble level and 360° clinometerMeasuring tape and ruler functionality
🔧 Utilities
(2)
free with in-app purchases
9
Fast Angle
Fast Angle
Fast Angle
Protractor in your pocket!
$0.99
📊 Productivity
(0)
10
Visual Protractor
Visual Protractor
Visual Protractor
by TAKASHI SASAKI
Free
🔧 Utilities
(0)
11
Protractor: Angle Finder
Protractor: Angle Finder
Protractor: Angle Finder
Camera Tilt & Slope Meter
Free
🔧 Utilities
(0)
12
PROtractor – the angle tool for every carpenter, joiner und craftsman
PROtractor – the angle tool for every carpenter, joiner und craftsman
PROtractor – the angle tool for every carpenter, joiner und craftsman
by peAfe GbR
$0.99

Measure angles between surfaces using your iPhone, iPod Touch, or iPad. This tool is designed for professionals in carpentry, joinery, and crafting.

Measure angles between surfacesUtilizes iPhone, iPod Touch, and iPadDesigned for professional use
🔧 Utilities
(1)
paid
13
Protractor Angle Measure App
Protractor Angle Measure App
Protractor Angle Measure App
Measure Angles Instantly
Free

This tool allows for instant and accurate angle measurements using a digital protractor, camera overlay, and ruler. It supports 180° and 360° measurements, ideal for students, engineers, builders, and DIYers for various projects.

Accurate digital protractor180° & 360° measurementCamera overlay for real-time angles
🔧 Utilities
(2)
free with in-app purchases
14
Angle Protractor Finder Tool
Angle Protractor Finder Tool
Angle Protractor Finder Tool
Smart clinometer & calculator
Free
$0.99 | 100% OFF
🔧 Utilities
(0)
15
Angle Meter 360
Angle Meter 360
Angle Meter 360
Convenient angle meter, finder
Free

Measure angles precisely on photos or in real-time using your camera. This user-friendly tool allows for unlimited angle measurements simultaneously, with features like scaling and color adjustment for ease of use.

Angle measurement on picturesReal-time camera angle measurementUnlimited simultaneous angle measurements
🔧 Utilities
(359)
free with in-app purchases
16
Angle Meter: Protractor+Level
Angle Meter: Protractor+Level
Angle Meter: Protractor+Level
Measure angles from photos
Free
🔧 Utilities
(0)
17
Bubble Level & Angle Meter
Bubble Level & Angle Meter
Bubble Level & Angle Meter
Spirit Level, Inclinometer
Free
$0.99 | 100% OFF
🔧 Utilities
(0)
18
Protractor (Virtual & Simple)
Protractor (Virtual & Simple)
Protractor (Virtual & Simple)
by Systemiko Inc.
$0.99
🔧 Utilities
(0)
19
Angleous for iPhone as angle calculator
Angleous for iPhone as angle calculator
Angleous for iPhone as angle calculator
by Hossam Hamouda
Free

This app uses your device's camera to calculate angles of polygons in real-time. Simply point your camera at a shape, and it will display the angles on screen. You can then screenshot these calculations for saving.

Real-time angle calculationUses device cameraPolygon angle detection
📚 Education
(5)
free
20
AR Protractor
AR Protractor
AR Protractor
Measure Angles，Distance，Volume
Free
🔧 Utilities
(0)

FAQ about Protractor App For Angle Measurements

What is the best protractor app for angle measurements for iPhone?
Protractor for Angle Measuring tops our protractor app for angle measurements ranking as of August 2026, with a 4.5-star average from 1K App Store ratings, and it's free to download.
Yes — 17 of the top protractor app for angle measurements we rank are free to download, including Protractor for Angle Measuring and Protractor Smart.
Protractor for Angle Measuring shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 247+ protractor app for angle measurements on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app turns your iPhone into a precision angle measuring tool. It allows you to measure angles in real-time using both touch gestures on the screen and your device's camera. You can also measure angles within photos you've taken.
Key features include a 'Touch Measure' mode where you tap the screen to set angles, a 'Plumb Bob Pendulum' for tilt determination, the ability to measure angles in photos and from the live camera feed, simultaneous measurement of unlimited angles, and tool color customization for better visual organization.