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A Goniometer is a device that measures angles or allows an object to rotate to a specific position. One of its most common uses is measuring a patient's range-of-motion (ROM) for a particular joint.
This measurement is used to determine the extent of a patient's joint injury and the expected speed of their recovery.
This goniometer is a basic app that is easy to use.

What's New

Version 1.2

iOS 11 Support
Bug fixes

Ratings and Reviews

3.8 out of 5

28 Ratings

28 Ratings

Invaluable tool after total knee replacement

Colleen SF

I've never rated an app or anything online before but had to take a minute to tell you how invaluable your tool has been for me. I'm 48 and had a total knee replacement 6 weeks ago. I'm fortunate to have a top notch PT team at UCSF to guide me through rehab and, being a numbers person, wanted to buy a plastic goniometer like they use in PT to track my flexion & extension. On a whim, I searched for an app & found yours. Truly a fantastic way to motivate & push myself during home based PT. Has given me a great sense of accomplishment as I see the numbers creep up as the weeks pass. At 6 weeks post op today, I am at 115 degrees of flexion and pushing forward. I would HIGHLY recommend this app!! The PT staff had never heard of a goniometer app and have also been impressed with its accuracy and how easy it is to use. Thanks for making a great app!
Colleen N
San Francisco, CA

Nice App

An AppLover

This app is quite similar to the physical device that I use. The fact that it has been made so similar and easy to use makes it very easy to switch to the digital version.

Only works for select joint measurements

Senior Towsley

Only works for joints in the sagittal plane. Does not work for any measurements where the phone is not vertical. Not worth the money, you can get a free level app that does the same thing. Seems good for patients post total knee replacement who want to measure their own progress, but not clinicians.


Roby John
8.4 MB
Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, French, German, Italian, Japanese, Korean, Russian, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
Rated 12+ for the following:
Infrequent/Mild Medical/Treatment Information
© June Software Inc


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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