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Best Angle Measure Tool Apps

248+ iOS apps curated and reviewed

4.0 avg rating
17 free apps
Updated August 2026

Out of 248+ angle measure tool apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Angle Measure Tool Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Protractor for Angle MeasuringProtractor for Angle MeasuringFree4.5★ (1K)YesYesAug 2026
2Bubble Level: AR, Angle FinderBubble Level: AR, Angle FinderFree4.5★ (684)YesYesAug 2026
3Protractor+Protractor+Free4.1★ (10K)NoYesAug 2026
4Angle Meter 360Angle Meter 360Free4.3★ (353)YesYesJul 2026
5Measure Angles - Bubble LevelMeasure Angles - Bubble LevelFree4.2★ (2K)YesYesAug 2026
6Bubble Level - Spirit LevelBubble Level - Spirit LevelFree4.6★ (2.4K)YesYesAug 2026
7Angle Gradient InclinometerAngle Gradient InclinometerFree4.4★ (293)YesNoAug 2026
8AngleFinder: ProtractorAngleFinder: ProtractorFree—NoNoJul 2026

Top Picks for Angle Measure Tool

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
Bubble Level: AR, Angle Finder#2

Bubble Level: AR, Angle Finder by Jens Rieckhof

Spirit Level & Clinometer Tool
Strong Contender
🔧 Utilities
4.5😞(684 ratings)
FreeAdsIn-App Purchases
Bubble Level: AR, Angle Finder screenshot 1
Bubble Level: AR, Angle Finder screenshot 2
Bubble Level: AR, Angle Finder screenshot 3
Bubble Level: AR, Angle Finder screenshot 4
Bubble Level: AR, Angle Finder screenshot 5
Bubble Level: AR, Angle Finder screenshot 6

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.

What We Love

  • 👍 Simple and easy to use
  • 🔍 Accurate angle measurements
  • 🛠️ Helpful for various tasks (telescopes, leveling, etc.)

Room to Improve

  • 🤑 Expensive ad removal
  • 🤖 Unreliable calibration
  • 💤 Constant interruptions and ads
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 Angle Measure Tool apps to explore

4
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
(353)
free with in-app purchases
5
Measure Angles - Bubble Level
Measure Angles - Bubble Level
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
6
Bubble Level - Spirit Level
Bubble Level - Spirit Level
Bubble Level - Spirit Level
by Netviking AB
Free

This utility app functions as a precise spirit level for your iOS devices. It's ideal for tasks like aligning picture frames, measuring angles, and checking the levelness of various surfaces. The app offers calibration and accurate readings to a tenth of a degree.

Measure surface levelCalibrate with one clickAccurate to 0.1 degree
🔧 Utilities
(2.4K)
free with in-app purchases
7
Angle Gradient Inclinometer
Angle Gradient Inclinometer
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)
📊 Productivity
(293)
ad-supported
8
AngleFinder: Protractor
AngleFinder: Protractor
AngleFinder: Protractor
Measure Photos & Camera
Free
🔧 Utilities
(0)
9
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
(4)
free with in-app purchases
10
Fast Angle
Fast Angle
Fast Angle
Protractor in your pocket!
$0.99
📊 Productivity
(0)
11
Protractor (Angle measurement)
Protractor (Angle measurement)
Protractor (Angle measurement)
by Seong Eon Kim
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
(2)
ad-supported
12
Visual Protractor
Visual Protractor
Visual Protractor
by TAKASHI SASAKI
Free
🔧 Utilities
(0)
13
Protractor Edge-angle measure
Protractor Edge-angle measure
Protractor Edge-angle measure
The most precise protractor
Free

This utility app functions as a precise digital protractor for measuring angles on your device. It offers a smart instrument for accurate angle measurement, supporting iPhone and iPad. The app is free to download and use.

Precise angle measurementSmart instrumentDigital protractor
🔧 Utilities
(2)
free with in-app purchases
14
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
15
Protractor Angle Meter
Protractor Angle Meter
Protractor Angle Meter
Measure angles from photos
Free
🔧 Utilities
(0)
16
Angle Protractor Finder Tool
Angle Protractor Finder Tool
Angle Protractor Finder Tool
Smart clinometer & calculator
Free
$0.99 | 100% OFF
🔧 Utilities
(0)
17
Protractor Measuring Angle
Protractor Measuring Angle
Protractor Measuring Angle
Measure, Level Tool & Bubble
Free
🔧 Utilities
(0)
18
Bonesetter Angle
Bonesetter Angle
Bonesetter Angle
by Bonesetter Apps LLC
$9.99
🏥 Medical
(0)
19
QuickTool (0b46fa)
QuickTool (0b46fa)
QuickTool (0b46fa)
Level, Ruler, Angle.
$0.99
🔧 Utilities
(0)
20
Measuring Tape: Ruler App
Measuring Tape: Ruler App
Measuring Tape: Ruler App
Calculate area by camera
Free
🔧 Utilities
(0)

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FAQ about Angle Measure Tool

What are the best angle measure tool apps for iPhone?
Protractor for Angle Measuring tops our angle measure tool apps 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 angle measure tool apps we rank are free to download, including Protractor for Angle Measuring and Bubble Level: AR, Angle Finder.
Protractor for Angle Measuring shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ angle measure tool apps 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.

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