Comparison

Guide to Diagnostic Tests vs Laboratory 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
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

Laboratory Diagnostic Tests

This comprehensive manual provides essential information on laboratory and diagnostic tests, focusing on nursing implications and clinical judgment. It helps healthcare professionals understand test procedures, interpret results, and deliver quality patient care with updated terminology and a student-friendly design.

Highlights
  • Nursing implications and clinical judgment focus
  • Alphabetical test listing for quick reference
  • Integrated index for multiple search options
  • Updated terminology and healthcare changes
  • Student decision-making model for critical thinking
  • Patient education section with clear language
Features
Read full description

"Try before you buy" - Download the FREE App, which includes sample content. In-App purchase required to unlock all content. Davis's Comprehensive Manual of Laboratory and Diagnostic Tests With Nursing Implications, 11th Edition, supports nursing practice and clinical judgment better than any other manual! Written by a laboratory scientist and a nurse educator, this easy-to-read, full-color manual delivers all the information you need to understand how tests work, interpret their results, and provide quality patient care—pre-test, intra-test, and post-test. With a nursing focus and an emphasis on clinical judgment, this manual offers interpretive guidance on the reasons for each study, why it's important, and what it means for nurses and the care they provide. Tests and procedures are listed in alphabetical order by full name for fast reference. The integrated index allows quick searches by abbreviation, synonym, disease/disorder, specimen type, or test classification. NEW TO THIS EDITION New & Updated! The latest information, diagnostic tests, terminology, and healthcare changes, with direct connections to nursing practice. Tab-like Labels highlight core lab and diagnostic studies commonly seen in clinical settings, plus a list of core studies added to the Critical Findings appendices. Point of Care Labels identify bedside-relevant studies for immediate clinical application. Clinical Judgment Focus: Sections on “Nursing Implications, Nursing Process, Clinical Judgment,” plus a clinical judgment icon and concluding “Clinical Judgment” statement for every test entry. Student Decision Making Model helps learners visualize clinical reasoning and critical thinking processes. Core Lab Study Labels identify 35 must-know, clinically significant tests. Potential Nursing Problems Tables present problems, symptoms, and nursing interventions. Reference Ranges include both conventional and SI units, with age, gender, and cultural considerations where applicable. Interfering Factors cover food, supplements, test timing, specimen handling, underlying conditions, and drugs that may affect test outcomes. KEY FEATURES Clinical Judgment Emphasis with focused sections and icons in every entry, supporting high-level nursing decisions & safe, effective care. Reinforced Learning with a “Clinical Judgment” statement at the end of each test to highlight key nursing takeaways. Student-Friendly Design including the “Student Decision Making Model” to boost understanding of critical thinking. Patient Education made easier with a “Common Use” section in every monograph, using simple, clear language patients will understand. Content licensed from printed ISBN 10: 1719650306 Content licensed from printed ISBN 13: 9781719650304 SUBSCRIPTION : Please choose an auto renewable subscription plan to receive content access and continuous updates. Your subscription automatically renews as per your plan, so you always have the latest content. Six months auto-renewing payments - $39.99 Three month auto-renewing payments - $29.99 Yearly auto-renewing payments- $59.99 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 and 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 508-299-3000 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): Anne M. Van Leeuwen MA, BS, MT (ASCP); Mickey L. Bladh RN, MSN Publisher: F. A. Davis Company

Screenshots

Guide to Diagnostic Tests4 screens
Laboratory Diagnostic Tests4 screens

Verdict

The call

The clearest difference is ads: Guide to Diagnostic Tests at none against Laboratory Diagnostic Tests's shown. Laboratory Diagnostic Tests's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and update cadence 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 Laboratory Diagnostic Tests sells 7 in-app purchases, starting at $29.99 per 3 months. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Guide to Diagnostic Tests against 4.6 for Laboratory Diagnostic Tests. Both are backed by a comparable volume of ratings — 35 and 14 respectively.

UpkeepUpdate frequency

Guide to Diagnostic Tests ships an update every 9 months, Laboratory Diagnostic Tests every 6 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Guide to Diagnostic Tests versus Laboratory Diagnostic Tests: the parameters behind the verdict, then further details
ParameterGuide to Diagnostic TestsLaboratory Diagnostic Tests
PriceFreeFree
Rating4.6 (35 ratings)4.6 (14 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings35 — better14
Update frequencyEvery 9 monthsEvery 6 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.013.0 — better
Further details — not scored
Size10 MB47 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%

Laboratory Diagnostic Tests

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%

In-app purchases

1 purchases

Guide to Diagnostic Tests

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

Laboratory Diagnostic Tests

Subscriptions6
  • HBK of Lab. & Dx Tests 3M Sub$29.993 Months
  • HBK of Lab. & Dx Tests 6M Sub$39.996 Months
  • 25% Off for Limited Period$44.001 Year
Show 3 more
  • 20% Off for Limited Period$47.001 Year
  • 15% Off for Limited Offer$50.001 Year
  • HBK of Lab. & Dx Tests 1/Y Sub$59.991 Year
One-time1
  • HBK of Laboratory and Dx Tests$59.99

Questions

Is Guide to Diagnostic Tests free?
Guide to Diagnostic Tests is free to download, with in-app purchases available.
Is Laboratory Diagnostic Tests free?
Laboratory Diagnostic Tests is free to download, with in-app purchases available.
Which has better reviews, Guide to Diagnostic Tests or Laboratory Diagnostic Tests?
Laboratory Diagnostic Tests is rated higher. Guide to Diagnostic Tests averages 4.6 out of 5 from 35 ratings, while Laboratory Diagnostic Tests averages 4.6 from 14 ratings.
Do Guide to Diagnostic Tests or Laboratory Diagnostic Tests have ads?
Laboratory Diagnostic Tests shows ads; Guide to Diagnostic Tests does not.
Which is updated more often, Guide to Diagnostic Tests or Laboratory Diagnostic Tests?
Guide to Diagnostic Tests ships an update every 9 months, and Laboratory Diagnostic Tests every 6 months. Most recently, Guide to Diagnostic Tests was updated on October 27, 2026 and Laboratory Diagnostic Tests on October 24, 2026.

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