Comparison

RNotes® vs Lab Notes & Diagnostic Tests

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RNotes®

This clinical reference app provides nurses and students with quick access to essential medical information, including guidelines, procedures, and exam preparation tools. It features full-color images, charts, and customizable notes to enhance patient care and learning.

Highlights
  • Quick-reference clinical nursing information
  • Updated AHA guidelines
  • Full-color images and charts
  • NCLEX exam topic indicators
  • Step-by-step procedures and assessment guidance
  • Customizable notes and highlights
  • Nursing alerts for critical safety information
Features
Read full description

** The essential clinical companion for nurses and students ** ABOUT RNOTES® RNotes is a quick-reference application that puts the latest clinically-focused nursing information at your fingertips, helping you improve patient care. Find answers fast by browsing or searching, then review clinical findings, collaborative management, and quick-read information along with full-color images and charts. The latest edition also helps students prepare for the NCLEX examinations by noting topics that are covered on the exam. FEATURES • Answers to the questions faced in clinical rotations • Updated AHA guidelines • Full-color images and figures • NCLEX icons indicating topics found on licensure exam • Step-by-step procedures and enhanced physical assessment guidance • Details for interpreting ECG, lab values, priority interventions, and more • Convenient tables and charts for finding information quickly • Ability to make custom notes and highlights within entries • Nursing alerts highlighting critical safety information • “Favorites” for bookmarking important topics Author: Ehren Myers Publisher: F.A. Davis Powered by: Unbound Medicine Unbound Privacy Policy: www.unboundmedicine.com/privacy Unbound Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement

About

Lab Notes & Diagnostic Tests

This app serves as a portable reference for nurses, providing essential information on over 400 lab and diagnostic tests. It includes details on preparation, patient care, panic levels, and visual aids, with offline access after initial download.

Highlights
  • Covers 400+ lab and diagnostic tests
  • Includes radiography, imaging, and endoscopy
  • Identifies panic lab levels and nurse alerts
  • Features patient education guidelines
  • Offline access to content
  • SmartSearch technology for quick information retrieval
Features
Read full description

"Try before you buy" - Download the FREE App, which includes sample content. An in-App purchase is required to unlock all content. A Davis’s Notes Title! Lab Notes: Nurses' Guide to Lab & Diagnostic Tests, third edition is the portable reference you need to explain, prepare, and care for patients before, during, and after common lab and diagnostic testing. Key Features * Covers essentials for more than 400 lab and diagnostic tests. * Includes lab tests, radiography, arteriography, nuclear- and non-nuclear imaging, endoscopy, organ function and electrophysiology tests. * Identifies panic lab levels and nurse alerts. * Features illustrations that show positioning and views, specimen tube top colors, and examples of X-ray, mammogram, CT scan, MRI, ultrasound, whole skeleton bone scan, and lung scan images. * Offers patient education guidelines and tips. No internet connection is required to access the content after the initial download. Find information quickly using powerful SmartSearch technology. Search part of term for those hard to spell medical terms. Content licensed from printed ISBN 10: 0803644019 Content licensed from printed ISBN 13: 978-0803644014 SUBSCRIPTION : Please choose an auto renewable subscription plan to receive content access & continuous updates. Your subscription automatically renews as per your plan, so you always have the latest content. Yearly auto-renewing payments-$29.99 Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Subscription may be managed by the user & auto-renewal can be disabled at any time by going to your device “Settings” and tapping “iTunes & App Store”. Any unused portion of a free trial period will be forfeited when you purchase a subscription, where applicable. If you have any questions or comments, email us any time: customersupport@skyscape.com or call 508-299-30000 Privacy Policy-https://www.skyscape.com/terms-of-service/privacypolicy.aspx Terms and Conditions-https://www.skyscape.com/terms-of-service/licenseagreement.aspx Editor(s): Tracey B. Hopkins, BSN, RN Publisher: F. A. Davis Company

Screenshots

RNotes®4 screens
Lab Notes & Diagnostic Tests4 screens

Verdict

The call

The clearest difference is rating: Lab Notes & Diagnostic Tests at 5.0 against RNotes®'s 4.5. Lab Notes & Diagnostic Tests also leads on iOS requirement (13.0 vs 15.0). RNotes®'s advantage is ads (none vs shown) and ratings volume (41 vs 8). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RNotes® sells 3 one-off in-app purchases and Lab Notes & Diagnostic Tests sells 2 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Lab Notes & Diagnostic Tests holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: RNotes® has 41 ratings behind it against 8, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

RNotes® ships an update every 7 months, Lab Notes & Diagnostic Tests every 4 months. The most recent releases landed on September 24, 2026 and July 4, 2026 respectively.

Scorecard4 real differences · 6 level
RNotes® versus Lab Notes & Diagnostic Tests: the parameters behind the verdict, then further details
ParameterRNotes®Lab Notes & Diagnostic Tests
PriceFreeFree
Rating4.5 (41 ratings)5.0 (8 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings41 — better8
Update frequencyEvery 7 monthsEvery 4 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size13 MB46 MB
Age rating17+17+
DeveloperUnbound Medicine, Inc.Skyscape Medpresso Inc

Customer experience

RNotes®

All ratings41 ratings
Positive85.4%
Neutral4.9%
Negative9.8%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Lab Notes & Diagnostic Tests

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

RNotes®

One-time3
  • RNotes® 4th Edition$29.99
  • RNotes® 5th Edition$29.99
  • RNotes$29.99
2 purchases

Lab Notes & Diagnostic Tests

Subscriptions1
  • Lab Notes & Diagnostic Tests$29.991 Year
One-time1
  • Lab Notes & Diagnostic Tests$29.99

Questions

Is RNotes® free?
RNotes® is free to download, with in-app purchases available.
Is Lab Notes & Diagnostic Tests free?
Lab Notes & Diagnostic Tests is free to download, with in-app purchases available.
Which has better reviews, RNotes® or Lab Notes & Diagnostic Tests?
Lab Notes & Diagnostic Tests is rated higher. RNotes® averages 4.5 out of 5 from 41 ratings, while Lab Notes & Diagnostic Tests averages 5.0 from 8 ratings.
Do RNotes® or Lab Notes & Diagnostic Tests have ads?
Lab Notes & Diagnostic Tests shows ads; RNotes® does not.
Which is updated more often, RNotes® or Lab Notes & Diagnostic Tests?
RNotes® ships an update every 7 months, and Lab Notes & Diagnostic Tests every 4 months. Most recently, RNotes® was updated on September 24, 2026 and Lab Notes & Diagnostic Tests on July 4, 2026.

Other comparisons