Best Goniometer App

205+ iOS apps curated and reviewed

3.8 avg rating
18 free apps
Updated July 2026

Looking for free goniometer app? 18 of our 205+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Goniometer App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1GoniometerGoniometerFree1.0★ (2)NoNoJul 2026
2RateFast GoniometerRateFast GoniometerFree2.3★ (3)NoNoJul 2026
3Revenite GoniRevenite GoniFree4.5★ (18)YesYesMay 2026
4Protractor for Angle MeasuringProtractor for Angle MeasuringFree4.5★ (976)YesYesJul 2026
5CorrelatedCorrelatedFree4.0★ (3)YesNoJul 2026
6Goniometry AppGoniometry AppFreeYesNoJul 2026
7Digital Angle Finder: 3D MeterDigital Angle Finder: 3D MeterFree4.1★ (221)NoNoJul 2026
8AngleLab - Joint Angle AppAngleLab - Joint Angle AppFreeNoNoMay 2026

Top Picks for Goniometer App

RateFast Goniometer#2

RateFast Goniometer by Alchemy Logic Systems, INC.

Strong Contender
🏥 Medical
2.3(3 ratings)
Free
RateFast Goniometer screenshot 1
RateFast Goniometer screenshot 2
RateFast Goniometer screenshot 3

This medical tool allows healthcare professionals to measure a patient's functional motion remotely using a camera. It offers flexible positioning and the ability to toggle between positive and negative measurements, unlike traditional goniometers.

Revenite Goni#3

Revenite Goni by Revenite Inc.

Real-time AI Movement Analysis
Worth Considering
💪 Health & Fitness
4.5(18 ratings)
FreeAdsIn-App Purchases
Revenite Goni screenshot 1
Revenite Goni screenshot 2
Revenite Goni screenshot 3
Revenite Goni screenshot 4
Revenite Goni screenshot 5
Revenite Goni screenshot 6

This platform uses AI to analyze joint health without sensors, offering standardized movement assessments for physical therapists, trainers, and coaches. Track progress, generate reports, and manage unlimited client profiles efficiently.

More Goniometer App apps to explore

4
Protractor for Angle Measuring
Protractor for Angle Measuring
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
(976)
free with in-app purchases
5
Correlated
Correlated
Correlated
Measure mobility and alignment
Free

This app assists physical therapists in precisely measuring patient range of motion and posture using a smartphone camera. It offers automatic posture detection and customizable assessments for both in-person and telehealth sessions, enhancing patient engagement with progress analytics.

Customizable range of motion assessmentsAutomatic posture detectionIn-person and telehealth compatibility
💪 Health & Fitness
(3)
ad-supported
6
Goniometry App
Goniometry App
Goniometry App
Digital Goniometry
Free
🔧 Utilities
(0)
7
Digital Angle Finder: 3D Meter
Digital Angle Finder: 3D Meter
Digital Angle Finder: 3D Meter
Protractor & 3D Angle Measure
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.

Precise angle measurement3D angle measurementProtractor mode
🔧 Utilities
(221)
free
8
AngleLab - Joint Angle App
AngleLab - Joint Angle App
AngleLab - Joint Angle App
Measure 3-axis joint angle app
Free
💪 Health & Fitness
(0)
9
Goniometer App
Goniometer App
Goniometer App
Joint Range of Motion
$3.99

This application transforms your device into a tool for measuring joint range of motion. It uses your device's camera and sensors for accurate measurements, offering an easy-to-use interface and a searchable reference for normal values. Intended for educational purposes, it assists in understanding goniometry.

Measure joint angles with precisionEasy-to-use interfaceSwitch between front and rear cameras
🏥 Medical
(1)
paid
10
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
(1.9K)
free with in-app purchases
11
Angulus Pro - Precision Angle
Angulus Pro - Precision Angle
Angulus Pro - Precision Angle
Measure angles, professionally
Free

This app provides professional-grade angle measurements for clinical and personal use. It offers high precision, multiple measurement modes, and AI-powered camera assistance for accurate assessments and progress tracking.

Precision to 0.01°Four Measurement ModesAI-Powered Camera Overlay
🔧 Utilities
(16)
free with in-app purchases
12
PhysioMaster: Physical Therapy
PhysioMaster: Physical Therapy
PhysioMaster: Physical Therapy
Goniometer, Posture analysis
Free

This app offers a suite of tools for physical therapists to streamline patient assessments. It includes features for posture analysis, range of motion measurement, and functional movement screening, helping practitioners explain diagnoses and build patient trust.

Posture analysisRange of Motion (ROM) measurementFunctional Movement Screen (FMS) analysis
💪 Health & Fitness
(4)
free with in-app purchases
13
Scar Goniometry
Scar Goniometry
Scar Goniometry
Joint to measure
Free

This app serves as a guide for healthcare professionals to accurately measure joint range of motion and contractures in patients with cutaneous scarring, particularly those with burn injuries. It assists in proper patient positioning for precise measurements.

Goniometry guideMeasure range of motionAssess contractures
📚 Education
(4)
free
14
Goniometer: Range of Motion
Goniometer: Range of Motion
Goniometer: Range of Motion
Joint Angle & ROM, OT, PT, ATP
Free

Measure joint range of motion accurately using your smartphone's motion sensors. Provides animated guides for precise placement and a library of normal ROM values. Ideal for medical professionals and patients tracking recovery.

Live angle measurementAnimated placement guides47 supported movements
🏥 Medical
(4)
free with in-app purchases
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
(353)
free with in-app purchases
16
Goniometer
Goniometer
Goniometer
by June Gaming
$4.99

This app functions as a digital goniometer, designed to measure angles and the range of motion for patient joints. It aids in assessing joint injuries and predicting recovery timelines.

Measures anglesMeasures joint range of motionAssesses joint injury extent
🏥 Medical
(38)
free
17
Bubble Level: AR, Angle Finder
Bubble Level: AR, Angle Finder
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
(675)
free with in-app purchases
18
Protractor Angle Measure Tool
Protractor Angle Measure Tool
Protractor Angle Measure Tool
Spirit Level, Meter & Finder
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
(147)
free with in-app purchases
19
My Measures + AR Measure
My Measures + AR Measure
My Measures + AR Measure
Speichern und teilen Messungen
Free

Easily capture and annotate object dimensions with photos. Store, organize, and share measurements with detailed comments and multiple detail photos. Ideal for professionals and DIYers needing precise documentation.

Annotate photos with arrows, angles, and textInclude multiple detail photosOrganize projects in folders
📊 Productivity
(3.2K)
free with in-app purchases
20
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)
🔧 Utilities
(215)
ad-supported

FAQ about Goniometer App

What is the best goniometer app for iPhone?
Goniometer tops our goniometer app ranking as of July 2026, with a 1.0-star average from 2 App Store ratings, and it's free to download.
Yes — 18 of the top goniometer app we rank are free to download, including Goniometer and RateFast Goniometer.
Goniometer has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 205+ goniometer app on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Goniometer connects via Bluetooth to a GR digital goniometer to easily record joint range of motion measurements. It helps users track their personal rehabilitation training status for joint movement.
Goniometer is supported on iPhone and iPod devices. It requires a Bluetooth connection to a compatible GR digital goniometer.