From the National Kidney Foundation (NKF), this application allows medical professionals to estimate kidney function using five separate eGFR calculators:

-CKD-EPI Creatinine 2009 Equation (Preferred method)
-MDRD Study Equation
-Cockcroft-Gault Formula
-CKD-EPI Cystatin and Creatinine 2012 Equation
-Revised Bedside Schwartz Formula (For ages 1-17)

Also includes information on:
-Glomerular filtration rate (GFR)
-Chronic kidney disease (CKD)
-Risks for CKD and kidney failure
-How to test, evaluate, and slow progression

The National Kidney Foundation is the leading organization in the U.S. dedicated to the awareness, prevention, and treatment of kidney disease for hundreds of thousands of healthcare professionals, millions of patients and their families, and tens of millions of Americans at risk.

By supporting the National Kidney Foundation, you directly influence and positively impact the lives of those at risk for kidney disease, those living with chronic kidney disease, and those who care for and about them.

Learn more at

30 East 33rd Street
New York, NY 10016

What’s New

Version 2.3

This app has been updated by Apple to use the latest Apple signing certificate.

Added sponsor information.

Ratings and Reviews

4.3 out of 5
9 Ratings

9 Ratings

SoloPocono ,

CKD pt + former Med Professional

I wish I’d known about this several years ago-it would have saved a few grey hairs. I’m 57, a former RN-Paramedic who had to leave Medical School in my final year due to growing health issues related to my genetic disorder, nail-patella syndrome. I (and mySon) were also born with just 1, affected kidney. It wasn’t until the last two years that the proteinuria and overall function began to decline. Because I’m not a transplant candidate, we’re keeping an extremely close eye on everything. Thank you for making this available-AND for everything else you guys do to help patients like myself!!
PS I sent the link to this app to my primary & nephro -neither of whom had been previously aware of it.

Towanasreview ,

Great app!

Use this app everyday. Only wish you had a Apple Watch companion.

dermbrian ,


Very handy, but there is a flaw that must be addressed. The race and sex fields change when they should not. Tap on “male” for example and tap on on it a second, third, fourth time. Why does it change back and forth and back and forth? Please fix that behavior. Thanks.

App Privacy

The developer, National Kidney Foundation, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

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

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