Comparison

Guide to Diagnostic Tests 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

Guide to Diagnostic Tests

Access evidence-based information on over 450 diagnostic tests, including lab work, imaging, and therapeutic monitoring. This resource helps healthcare professionals quickly find answers to common questions about test selection, interpretation, and patient preparation.

Highlights
  • 450+ diagnostic tests
  • Evidence-based recommendations
  • Algorithms, tables, and charts
  • PubMed links
  • Custom notes and highlighting
  • Full-text search
  • Favorites for bookmarking
Features
Currently charting
Read full description

ABOUT GUIDE TO DIAGNOSTIC TESTS Pocket Guide to Diagnostic Tests, provides immediate, evidence-based information on the selection and interpretation of commonly used laboratory and electrocardiographic tests, diagnostic imaging, and therapeutic monitoring. Including more than 450 updated diagnostic tests, this mobile resource is ideal for answering questions encountered daily by physicians, nurses, students, and other healthcare professionals, such as: • Which test is best to diagnose or follow a patient’s condition? • What is the correct interpretation of an abnormal diagnostic test? • How do I collect the appropriate specimen or prepare the patient for testing? • Where can I find more information on this test in the medical literature? FEATURES • 450+ updated laboratory and diagnostic tests • Evidence-based recommendations • New and updated coverage of emerging and re-emerging pathogens and infectious agents • Extensive use of algorithms, tables, and charts • PubMed links directly to journal citations and available articles • Highlight and make custom notes within any entry • Full Text Search – find topics across from any entry • ‘Favorites’ for bookmarking important entries Editors: Diana Nicoll, MD, PhD, MPA; Chuanyi Mark Lu, MD; Stephen J. McPhee, MD Publisher: McGraw Hill Powered by: Unbound Medicine

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

Guide to Diagnostic Tests4 screens
Lab Notes & Diagnostic Tests4 screens

Verdict

The call

The clearest difference is ads: Guide to Diagnostic Tests at none against Lab Notes & Diagnostic Tests's shown. Guide to Diagnostic Tests also leads on chart position (#196 vs unranked) and ratings volume (35 vs 8). Lab Notes & Diagnostic Tests's advantage is rating (5.0 vs 4.6) and update cadence (every 4 months vs every 10 months). On price, review sentiment, in-app purchases and monetization model 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. Guide to Diagnostic Tests sells 1 one-off in-app purchase 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 4.6. Both are backed by a comparable volume of ratings — 35 and 8 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Guide to Diagnostic Tests ships an update every 10 months, Lab Notes & Diagnostic Tests every 4 months. The most recent releases landed on September 24, 2026 and July 4, 2026 respectively.

Scorecard6 real differences · 5 level
Guide to Diagnostic Tests versus Lab Notes & Diagnostic Tests: the parameters behind the verdict, then further details
ParameterGuide to Diagnostic TestsLab Notes & Diagnostic Tests
PriceFreeFree
Rating4.6 (35 ratings)5.0 (8 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings35 — better8
Update frequencyEvery 10 monthsEvery 4 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#196 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size10 MB46 MB
Age rating17+17+
DeveloperUnbound Medicine, Inc.Skyscape Medpresso Inc

Customer experience

Guide to Diagnostic Tests

All ratings35 ratings
Positive88.6%
Neutral5.7%
Negative5.7%
Written reviews1 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

1 purchases

Guide to Diagnostic Tests

One-time1
  • Pocket Guide to Diagnostic Tests$54.99
2 purchases

Lab Notes & Diagnostic Tests

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

Questions

Is Guide to Diagnostic Tests free?
Guide to Diagnostic Tests 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, Guide to Diagnostic Tests or Lab Notes & Diagnostic Tests?
Lab Notes & Diagnostic Tests is rated higher. Guide to Diagnostic Tests averages 4.6 out of 5 from 35 ratings, while Lab Notes & Diagnostic Tests averages 5.0 from 8 ratings.
Do Guide to Diagnostic Tests or Lab Notes & Diagnostic Tests have ads?
Lab Notes & Diagnostic Tests shows ads; Guide to Diagnostic Tests does not.
Which is updated more often, Guide to Diagnostic Tests or Lab Notes & Diagnostic Tests?
Guide to Diagnostic Tests ships an update every 10 months, and Lab Notes & Diagnostic Tests every 4 months. Most recently, Guide to Diagnostic Tests was updated on September 24, 2026 and Lab Notes & Diagnostic Tests on July 4, 2026.

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