Comparison

Guide to Diagnostic Tests vs ECG Interpretation

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

ECG Interpretation

This pocket guide offers essential skills for ECG interpretation, rhythm strip analysis, and arrhythmia treatment. It features helpful charts, illustrations, and definitions for students and new nurses. Access content offline and use smart search for quick information retrieval.

Highlights
  • ECG interpretation and rhythm strip analysis
  • Arrhythmia identification and treatment
  • Helpful charts, illustrations, and definitions
  • Offline content access
  • SmartSearch technology
  • Practice Q&A and ACLS algorithms
Features
Read full description

"Try before you buy" - Download the FREE App, which includes sample content. In-App purchase required to unlock all content. New at ECG interpretation! No need to go it alone—keep the basic skills and concepts at your fingertips, with ECG Interpretation: An Incredibly Easy!® Pocket Guide. Use this enjoyable reference for at-a-glance reviews of how to use and monitor ECG equipment, obtain and interpret rhythm strips, and accurately spot and treat arrhythmias. Full of helpful charts, illustrations, and easy-to-relate-to definitions, this is the perfect on-the-spot guide for students, new nurses, and all those looking for expert guidance on the job. Increase on-the-job or classroom confidence with this must-have pocket guide, featuring: * NEW and updated content in quick-read, bulleted format, with easy-to-remember guidance on topics including: o Identifying and interpreting atrial, junctional, ventricular, sinus node, and atrioventricular arrhythmias o ECG effects of electrolyte imbalances o ECG effects of antiarrhythmics o Basic and advanced electrocardiography, including equipment uses and components o Waveform types and components * Dozens of photos, drawings, and diagrams clearly outline key concepts, including: * 8-step method of ECG evaluation * Identifying and monitoring disorders, rhythm disturbances, and electrolyte imbalances * Placement of different types of leads * Identifying and solving monitor problems * Interventions – Administering nonpharmacologic and pharmacologic treatments for arrhythmias, including pacemakers, ICDs, and antiarrhythmics Special features: * Memory jogger – Memory tricks that help you remember key concepts and treatments * Through the ages – Identifies differences in ECG interpretation and pacemaker needs, according to the patient’s age * Help desk – Explanations of monitoring equipment components and functions
What causes it – Causes of different disorders, imbalances, and arrhythmias What to look for – Tips on identifying and interpreting arrhythmias how it’s treated – Steps to take for a variety of treatment “Nurse Joy” and “Nurse Jake” – Expert insights on ECG methods and problem-solving * 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. Includes guides and tests: * The Test Zone – Practice Q&A * Quick guide to arrhythmias * ACLS algorithms: The Pulseless Arrest, Tachycardia, and Bradycardia * Guide to antiarrhythmic drugs * Guide to choosing monitoring leads ISBN 10: 1496352165 ISBN 13: 9781496352163 SUBSCRIPTION : Please purchase a yearly auto-renewing subscription to receive content access and available updates. 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 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 Author(s): Jessica Shank Coviello, DNP, APM, ANP-BC Publisher: Wolters Kluwer Health | Lippincott Williams & Wilkins

Screenshots

Guide to Diagnostic Tests4 screens
ECG Interpretation4 screens

Verdict

The call

The clearest difference is ads: Guide to Diagnostic Tests at none against ECG Interpretation's shown. Guide to Diagnostic Tests also leads on ratings volume (35 vs 2). ECG Interpretation's advantage is rating (5.0 vs 4.6) and iOS requirement (13.0 vs 15.0). On price, update cadence, 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 ECG Interpretation sells 1 in-app purchase, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ECG Interpretation holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Guide to Diagnostic Tests has 35 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Guide to Diagnostic Tests ships an update every 9 months, ECG Interpretation every 5 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Guide to Diagnostic Tests versus ECG Interpretation: the parameters behind the verdict, then further details
ParameterGuide to Diagnostic TestsECG Interpretation
PriceFreeFree
Rating4.6 (35 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings35 — better2
Update frequencyEvery 9 monthsEvery 5 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
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%

ECG Interpretation

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Guide to Diagnostic Tests

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

ECG Interpretation

Subscriptions1
  • ECG Interpret. PktGuide 1Y Sub$29.991 Year

Questions

Is Guide to Diagnostic Tests free?
Guide to Diagnostic Tests is free to download, with in-app purchases available.
Is ECG Interpretation free?
ECG Interpretation is free to download, with in-app purchases available.
Which has better reviews, Guide to Diagnostic Tests or ECG Interpretation?
ECG Interpretation is rated higher. Guide to Diagnostic Tests averages 4.6 out of 5 from 35 ratings, while ECG Interpretation averages 5.0 from 2 ratings.
Do Guide to Diagnostic Tests or ECG Interpretation have ads?
ECG Interpretation shows ads; Guide to Diagnostic Tests does not.
Which is updated more often, Guide to Diagnostic Tests or ECG Interpretation?
Guide to Diagnostic Tests ships an update every 9 months, and ECG Interpretation every 5 months. Most recently, Guide to Diagnostic Tests was updated on October 27, 2026 and ECG Interpretation on October 30, 2026.

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