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Goniometer: Range of Motion

Goniometer: Range of Motion

Digital Joint ROM Measure

8 ratings
8 reviews
💪 Health & Fitness
🏥 Medical
Free
In-App Purchases

Details

  • Released
  • Updated
  • June 18, 2026
  • August 2, 2026

Features

Developer

KEVIN LAN
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🧾$4.99
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About

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 measurement
✓Animated placement guides
✓47 supported movements
✓Hand and finger ROM tracking
✓Patient profiles
✓Normal ROM reference
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What's New in Goniometer

1.5.1

August 2, 2026

• Clearer Pro PDF reports — the assessment table now reads left-to-right consistently, with a clearer range-of-motion column heading • Polish and reliability improvements

More
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In-App Purchases

$4.99

Goniometer Pro

Evaluaciones, historial, CSV y bloqueo automático

User reviews

Most RecentHighest RatedLowest Rated

Easy and accurate

Great instructions, easy to use, and accurate. Overall great app using the phone’s built in tools.
potatoe811potatoe811

mlowedc

The best Goniometer app for measuring patient ROM. Very quick, easy to use, and accurate!
mlowedcmlowedc

Easy to use at home

I have been having knee pain and decreased range of motion. I was able to easily use this app to track my range of motion over time
1yl31yl3

Very functional

Very useful and easy to use digital goniometer. I use it pretty much every day and have had no issues with it
JosepentinoJosepentino

Helpful!

Makes workflow much faster
TakHuynhTakHuynh
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FAQ

What is Goniometer used for?

Goniometer is used to measure joint range of motion (ROM) accurately using your iPhone's motion sensors. It's designed for medical professionals and patients to track recovery and assess joint angles.

Is Goniometer free to use?

The basic version of Goniometer is free and includes features like live angle measurement, animated guides, and one patient profile. Additional features like unlimited profiles and progress history are available through a one-time purchase.

What types of movements can Goniometer measure?

Goniometer supports the measurement of 47 movements across the neck, upper and lower extremities, and every finger and thumb joint, including specific measurements for MCP, PIP, and DIP joints.

Does Goniometer have ads?

Goniometer does not contain advertisements. The app is free to download with optional in-app purchases for advanced features.

Can Goniometer be used for patients with limited starting positions?

Yes, Goniometer offers a 'Set Zero baseline override' feature, allowing you to set a custom zero point for patients who cannot achieve the standard starting position.

What devices does Goniometer support?

Goniometer is currently supported on iPhones. The app requires iOS 13.0 or later for optimal performance.

How accurate is Goniometer?

Smartphone inclinometer measurement has been shown to be valid and reliable for joint range of motion in peer-reviewed research, as cited in a PLOS ONE systematic review from 2019.

What is Total Active Motion (TAM) in Goniometer?

Total Active Motion (TAM) is a feature available in the Pro version that automatically computes the total active motion for each finger digit, which is particularly useful for hand therapists.