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Body fat, waist-to-hip ratio, BMI and BMR. From photos, in seconds.

LeanScreen is an assessment module within the PostureScreen® platform for photographic body composition assessment. Patented photographic anthropometry does the measuring: no calipers or tape measures required.

Included with PostureScreen® subscriptionA module on iPhone and iPad

Download PostureScreen on the App StoreSee the research

PostureScreen®: $59.99 USD to start, with 30 days of unlimited use. Then $24.99 USD/month or $249 USD/year for unlimited assessments.

LeanScreen at a glance

LeanScreen is the photographic body composition module inside PostureScreen®, made by PostureCo, Inc. It is included with PostureScreen® on iPhone and iPad, and measures percent body fat, waist-to-hip ratio, BMI, BMR, lean body mass and fat body mass from front and side photos.

Who it’s for
Chiropractors, physical therapists, personal trainers and other fitness and manual therapy professionals who track body composition.
What it measures
Percent body fat, waist-to-hip ratio, BMI, BMR, lean body mass and fat body mass, with comparison and trend reports.
Platform
A module inside PostureScreen® on iPhone and iPad, with iOS 26 or iPadOS 26 or later. Available for Apple iOS only.
Price
Included with PostureScreen®: a $59.99 USD one-time download with 30 days of unlimited use, then $24.99 USD/month or $249 USD/year.

Built for professionals who assess posture, movement, and body composition.

LeanScreen is for personal trainers, physical therapists, chiropractors, Pilates instructors, osteopaths, gym and fitness professionals, occupational therapists, athletic trainers, yoga instructors, sports medicine professionals, strength and conditioning specialists and massage therapists.

What LeanScreen measures

Six measurements.
One set of photos.

Every LeanScreen assessment turns front and side photos into a complete body composition picture, ready for a professional PDF report.

  • BF%

    Percent body fat

    Patented photographic anthropometry measures percent body fat from photos.

  • WHR

    Waist-to-hip ratio

    Calculated with fast, efficient 2D photographic methods. No tape measure.

  • BMI

    Body mass index

    Calculated with every LeanScreen assessment.

PostureCo’s App Store screenshot, “Validated Body Composition: Percent Body Fat % & Waist Hip Ratio”, above an iPhone showing LeanScreen results: front and side photos, average body fat, waist-to-hip ratio, BMI, lean and fat body mass and BMR.
  • BMR

    Basal metabolic rate

    An estimate of basal metabolic rate, from the same assessment.

  • LBM

    Lean body mass

    Lean body mass, broken out from total body weight.

  • FBM

    Fat body mass

    The fat body mass breakdown, alongside lean body mass.

  • Also
  • Instant professional PDF reports
  • Comparison and trend reports
  • Optional averaging with your BIA or calipers
  • Password-protected email sharing

PostureCo’s software tools are intended for objective postural, movement, body composition, and radiographic measurement, documentation, and education purposes. They are designed for use by fitness professionals and licensed healthcare providers. These software tools are not medical devices and are not intended to diagnose, treat, cure, or prevent any disease or medical condition. All markings, landmark placements, and digitizations, whether manual or AI-assisted, must be reviewed and validated by the professional using the software. The user remains solely responsible for all interpretations, clinical judgments, diagnoses, and treatment decisions.

Based on science and research

Valid and reliable photographic body composition.

As of October 2026, 3 published studies have tested LeanScreen’s validity or reliability. This peer-reviewed study compared it with conventional methods in 240 healthy adults.

Sensors (Basel) · 2020

A Multicomponent Approach to Assessing the Convergent and Concurrent Validity of a Mobile Application When Compared to Conventional Methods of Determining Body Composition

Neufeld EV, Seltzer RA, Sazzad T, Dolezal BA

Sensors (Basel). 2020 Nov; 20(21): 6165.

Peer-reviewed validation study

What it found for LeanScreen 2D photography

240healthy adults
LeanScreen was measured against Gulick tape, bioelectrical impedance (BIA) and skinfolds.
BF%high agreement
For body fat percentage, LeanScreen 2D photography showed high agreement with BIA and skinfold methods.
85%waist-to-hip ratio
For 85% of participants, LeanScreen 2D agreed with direct Gulick tape measurement of waist-to-hip ratio, within the reliable change index.
Read the study (opens in a new tab) All PostureScreen® research

The study also tested LeanScreen 3D scanning with the Structure Sensor. Support for Structure Sensor-based 3D scanning has been deprecated, so only the 2D photographic findings are shown here.

Built into PostureScreen®

The same photos
as your posture exam.

Take the front and side photos once. LeanScreen reuses the same photos as your posture assessment to measure body composition.

  • Comparison reports. Select any prior LeanScreen assessment for a side-by-side comparison of body composition, waist-to-hip ratio, BMI, BMR and lean body mass.
  • LeanScreen trend reports show your client’s changes over time, in professional PDF reports.
  • Optional body fat averaging with your current BIA or caliper method.
  • HIPAA-compliant sharing of reports via password-protected email.

About PostureScreen® Body fat averaging guide

PostureScreen exam list on iPhone for the demo client Joe Ferrantelli: a 4-view PostureScreen and a LeanScreen with body fat, BMI and BMR share the same front and side photos, followed by PainScreen and range of motion.
One exam list: the posture exam and LeanScreen share the same photos.

Virtual LeanScreens

Body composition,
from anywhere.

With RemoteScreen®, your client takes voice-guided front and side photos at home, in their phone’s browser with nothing to install, and sends them to you for a virtual LeanScreen.

  • Free for your clients, on their own iPhone, Android phone or computer.
  • An add-on for you: RemoteScreen® needs a PostureScreen® Unlimited subscription on iOS plus Cloud Services, starting at $9.99 USD/month, with unlimited posture photo and movement video uploads, limited only by your storage.
  • Verified by you first. The photos come to you to verify and edit, just as if you had taken them on your own iPad. Clients never see results in RemoteScreen®.
  • Works worldwide. Clients anywhere can send photos and video.
  • Great for re-evaluations, follow-ups, reconnecting with clients you haven’t seen in a while, comparisons, remote monitoring, new clients, health talks and virtual exams. Your existing clients can screen their friends and family, too. An ergonomic screen is coming soon.

RemoteScreen®’s AI-Guided Health History is USA only at this time and needs Cloud Services Platinum ($49.99 USD/month) or higher plus a PostureScribe.AI® subscription, with up to 12 intakes per month on Platinum.

Learn more about RemoteScreen

RemoteScreen welcome screen in the client’s phone browser: enter your information, take front and side posture photos, or the AI-guided history intake.
Opens in their browserNothing to install
Front and side photos“Front view captured.”

Watch

LeanScreen in action.

A PostureCo™ walkthrough of body composition and waist-to-hip ratio with LeanScreen in PostureScreen®.
Included
LeanScreen, SquatScreen, ROMScreen™ and SitScreen, inside PostureScreen®
Runs on
iPhone and iPad, with iOS 26 or iPadOS 26 or later
To start
$59.99 USD, with 30 days of unlimited use
Then
$24.99 USD/month or $249 USD/year for unlimited assessments
Devices
Up to 10 under the same Apple account
Download PostureScreen on the App StoreCompare plans

What’s included

Included with PostureScreen®.
Add more when you need it.

LeanScreen®, SquatScreen®, ROMScreen™ range of motion and SitScreen® are modules inside PostureScreen® on iPhone and iPad, included with PostureScreen®. RemoteScreen® and PostureScribe.AI® are add-on subscriptions, and PostureRay® is separate software.

Included with PostureScreen®

$59.99 USD to start, with 30 days of unlimited use. Then $24.99 USD/month or $249 USD/year for unlimited assessments.

Download PostureScreen on the App StoreSee pricing

Add-on subscriptions

+ Cloud Services

Remote photo and video assessments worldwide, in your client’s own browser, with nothing to download. Every result comes to you to verify first; clients never see results. Free for clients; you add Cloud Services, from $9.99 USD/month, with unlimited photo and video uploads (limited only by your storage). The AI-Guided Health History (USA only at this time) needs Cloud Services Platinum ($49.99 USD/month) or higher plus a PostureScribe.AI® subscription, with up to 12 intakes per month on Platinum.

About RemoteScreen®

The ambient AI scribe with your assessment data built in. $49.99 USD/month with an initial 7-day free trial; requires the Unlimited Assessment Subscription. USA only.

About PostureScribe.AI®

Separate software

Windows-based X-ray mensuration and documentation software for chiropractors, with its own license. PostureScreen® images can be pushed to PostureRay through the Virtual View Box.

About PostureRay

Straight answers

Questions, answered.

Still wondering? Call 866-577-7297 or send us a message.

What is LeanScreen?

LeanScreen is an assessment module within the PostureScreen® platform for photographic body composition assessment. It measures percent body fat, waist-to-hip ratio, BMI, BMR, lean body mass and fat body mass from photos, with no calipers or tape measures required.

Is LeanScreen included with PostureScreen®?

Yes. LeanScreen is a module inside PostureScreen® on iPhone and iPad, included with PostureScreen®: $59.99 USD to start, with 30 days of unlimited use, then $24.99 USD/month or $249 USD/year for unlimited assessments. See pricing

Do I need to take new photos?

No. LeanScreen reuses the same photos you took for the posture assessment to measure body composition.

Is LeanScreen validated?

Yes. In a peer-reviewed study of 240 healthy adults (Sensors, 2020), LeanScreen 2D photography showed high agreement with BIA and skinfold methods for body fat percentage, and for 85% of participants agreed with direct Gulick tape measurement of waist-to-hip ratio, within the reliable change index. As of October 2026, 3 published studies have tested LeanScreen’s validity or reliability.

Can I combine LeanScreen with my BIA or calipers?

Yes. LeanScreen offers optional percent body fat averaging with your current BIA or caliper method.

Which reports does LeanScreen create?

Instant professional PDF reports, plus comparison and trend reports that show your client’s changes over time. You can share reports HIPAA-compliantly via password-protected email.

Does LeanScreen still support 3D scanning?

No. Support for Structure Sensor-based 3D scanning has been deprecated. LeanScreen uses 2D photographic body composition assessment.

Can clients send their photos from home?

Yes, with RemoteScreen®, an add-on: your client takes front and side photos in their phone’s browser, with nothing to install, for a virtual LeanScreen. The photos come to you first to verify and edit; clients never see results in RemoteScreen®. You need a PostureScreen® Unlimited subscription on iOS plus Cloud Services, starting at $9.99 USD/month. Photos and video work worldwide; RemoteScreen®’s AI-Guided Health History is USA only at this time and needs Cloud Services Platinum ($49.99 USD/month) or higher plus a PostureScribe.AI® subscription, with up to 12 intakes per month on Platinum.

Which devices does LeanScreen run on?

iPhone and iPad, as part of PostureScreen®, with iOS 26 or iPadOS 26 or later. LeanScreen is available for Apple iOS only.

Knowledge base

Related knowledge base articles

Browse the knowledge base

Research

Scientifically validated.
Professionally trusted.

Verified counts, as of October 2026.5 See every study

157
journal articles, conference papers and case reports have used or validated PostureScreen®
133
of them are peer-reviewed journal articles
62
publications on the PostureRay research page

“The PostureScreen mobile application has demonstrated strong rater reliability and preliminary evidence of construct validity.”

Rater reliability and construct validity of a mobile application for posture analysis. J Phys Ther Sci, 2018

    See every PostureScreen® study PostureRay research

    Save time. Gain clarity.

    Valid and reliable photographic body composition assessment on iOS, included with PostureScreen® on iPhone and iPad.

    Download PostureScreen on the App Store

    Questions? Call 866-577-7297 or send us a message

    Also inside PostureScreen®: SquatScreen ROMScreen™ SitScreen All of PostureScreen®