Comparison

DrDrugs vs Davis Lab and Diagnostic Tests

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

Head to head
About

DrDrugs

This medical reference app provides comprehensive drug information, including over 1,400 monographs and 700 dosing calculators. It focuses on safe practice and patient care, offering audio pronunciations and updated content for various patient populations and high-alert medications.

Highlights
  • 1,400+ drug monographs
  • 700+ built-in dosing calculators
  • Audio pronunciations for 1200+ drugs
  • NDC codes for 1300+ monographs
  • BEERS, REMS, and NDC indices
  • Pediatric, geriatric, and OB dosing
  • High Alert Medication identification
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. Davis’s Drug Guide for Physicians, 20th Edition is a trusted drug reference designed for medical students, residents, and practicing physicians. It delivers essential information needed to prescribe and manage medications safely across the lifespan. The guide features well-organized monographs for hundreds of generic drugs and thousands of trade names, emphasizing clinical prescribing, monitoring, administration, and patient management. This comprehensive resource enhances patient safety with high-alert medication markers, life-threatening side effects highlighted in red bold text, REMS icons for high-risk drugs, and detailed guidance on drug interactions. It also includes special considerations for pediatric, geriatric, pregnancy, lactation, and reproductive-age patients. The 20th Edition provides comprehensive prescribing information physicians need to deliver optimal patient care. DrDrugs includes 700+ built-in drug dosing calculation tools, enabling users to review a drug, calculate dosage, and administer medication seamlessly within a single workflow. Comprehensive coverage on 1,400+ drug monographs including more than: - 5,000 trade & generic drugs as well as expanded coverage of herbal products - 150 drug classifications, both therapeutic and pharmacologic (if available) - 500 commonly used combination drugs, including the dosage amount of the active generic ingredient - Most complete life-span drug dosing considerations for adult, pediatric, & geriatric patients Coverage on vulnerable populations including: - New indications & dosing recommendations for top 100 pediatric drugs - Pediatric, geriatric & OB medication administration considerations - A complete immunization schedule - Special techniques for administering medications to children - Oral rehydration solutions - Drugs and breast feeding - List of drugs associated with increased number of falls in the elderly More High Alert Coverage and Patient Safety Information than any other drug guide including: - Special highlights to identify High Alert Medications with high risks for patient injury & information throughout the monograph that explain what the physician can do to ensure patient safety - “Do not confuse with" & "Do not crush, break, or chew" caution statements highlighted to support safe practice - Information on how to prevent administration errors, detect dosing & dispensing errors & detect or prevent adverse drug reactions (ADR)s. - Explanations on how to administer medication safely by all routes–including signs and symptoms for toxicity & overdose, safe handling tips & how to educate patients for safe medication use in the home Plus integrated dosing calculators-700+ built in weight-based drug dosing calculation tools, simply review a drug, calculate the dose & administer all in a single step, without needing to switch to a separate drug dosing program. SUBSCRIPTION INFORMATION Purchase a yearly auto-renewing subscription for full content access and updates. • Yearly auto-renewing subscription: $38.99 Payment will be charged to your iTunes Account upon purchase confirmation. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current subscription period. Users can manage subscriptions and disable auto-renewal anytime through device Settings > iTunes & App Store. Any unused portion of a free trial period will be forfeited upon subscription purchase 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 & Conditions- https://www.skyscape.com/terms-of-service/licenseagreement.aspx Author(s): Cynthia A. Sanoski Publisher: F. A. Davis Company

About

Davis Lab and Diagnostic Tests

This medical reference app provides comprehensive information on lab and diagnostic tests. It helps users understand test procedures, interpret results, and offer quality patient care with detailed nursing implications, common uses, and interfering factors.

Highlights
  • Alphabetical listing of tests
  • Searchable by abbreviation, synonym, disease
  • Potential Nursing Problems tables
  • Common Use explanations
  • Pre-test, intra-test, post-test coverage
  • Patient safety and teaching information
  • Reference ranges in conventional and SI units
Features
Read full description

Nursing-focused and easy-to-read, this 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. Tests and procedures are listed in alphabetical order by their complete name for quick reference. The search feature allows fast searches by abbreviation, synonym, disease/disorder, specimen type, or test classification. Key Features • Fast Find: Lab and Dx—The complete Lab & Diagnostic Test database • Searchable • Mobile and tablet friendly • “Potential Nursing Problems” tables within many studies that present problems, signs and symptoms, and interventions related to the study • ‘Common Use’ for each study to provide an at-a-glance description of what the test is for, presented in everyday language that patients will understand • Studies that focus on what you need to do before, during, and after each laboratory and diagnostic test, including… • Patient Teaching • Detailed coverage of patient safety • “Sensitivity to Social and Cultural Issues” and “Nutritional Considerations,” where appropriate • Diagnostic imaging studies with explanations of the reasons for the test result • Pathophysiology information that explains why a lab test result is increased or decreased • Reference Ranges that are expressed in both conventional and SI units (with the SI unit conversion factor) and include age- and gender-specific variations when indicated and normal variations due to cultural considerations • Interfering Factors, including food, natural products, timing of test, handling of specimen, underlying patient conditions, and drugs that may interfere with the results of the test • Unique coverage of laboratory and diagnostic tests for subspecialties, such as maternity, therapeutic drug monitoring, nutrition and sensory Try before you buy with a 14-day FREE trial. After that it's only $38.99/year for access and continuous content updates. Privacy Policy - https://www.fadavis.com/privacypolicy Terms of Service - https://www.fadavis.com/Termsofuse

Screenshots

DrDrugs4 screens
Davis Lab and Diagnostic Tests4 screens

Verdict

The call

The clearest difference is rating: Davis Lab and Diagnostic Tests at 5.0 against DrDrugs's 4.5. Davis Lab and Diagnostic Tests also leads on ads (none vs shown). DrDrugs's advantage is update cadence (every 4 months vs every 13 months) and ratings volume (35 vs 2). On price, in-app purchases, monetization model and device support 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. DrDrugs sells 6 in-app purchases, starting at $3.99 per month and Davis Lab and Diagnostic Tests sells 1 in-app purchase, starting at $38.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Davis Lab and Diagnostic Tests holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: DrDrugs has 35 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

DrDrugs ships an update every 4 months, Davis Lab and Diagnostic Tests every 13 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
DrDrugs versus Davis Lab and Diagnostic Tests: the parameters behind the verdict, then further details
ParameterDrDrugsDavis Lab and Diagnostic Tests
PriceFreeFree
Rating4.5 (35 ratings)5.0 (2 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings35 — better2
Update frequencyEvery 4 months — betterEvery 13 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size46 MB474 MB
Age rating17+17+
DeveloperSkyscape Medpresso IncAtmosphere Apps, Inc.

Customer experience

DrDrugs

All ratings35 ratings
Positive85.7%
Neutral2.9%
Negative11.4%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Davis Lab and Diagnostic Tests

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

In-app purchases

6 purchases

DrDrugs

Subscriptions5
  • Drug Guide-Physicians 1/M Sub$3.991 Month
  • 25% off Limited Period Offer$29.491 Year
  • 20% off Limited Period Offer$31.491 Year
Show 2 more
  • 15% off Limited Period offer$33.491 Year
  • Drug Guide-Physicians 1/Y Sub$38.991 Year
One-time1
  • Drug Guide for Physicians,17Ed$49.99
1 purchases

Davis Lab and Diagnostic Tests

Subscriptions1
  • Annual Subscription14 Days trial$38.991 Year

Questions

Is DrDrugs free?
DrDrugs is free to download, with in-app purchases available.
Is Davis Lab and Diagnostic Tests free?
Davis Lab and Diagnostic Tests is free to download, with in-app purchases available.
Which has better reviews, DrDrugs or Davis Lab and Diagnostic Tests?
Davis Lab and Diagnostic Tests is rated higher. DrDrugs averages 4.5 out of 5 from 35 ratings, while Davis Lab and Diagnostic Tests averages 5.0 from 2 ratings.
Do DrDrugs or Davis Lab and Diagnostic Tests have ads?
DrDrugs shows ads; Davis Lab and Diagnostic Tests does not.
Which is updated more often, DrDrugs or Davis Lab and Diagnostic Tests?
DrDrugs ships an update every 4 months, and Davis Lab and Diagnostic Tests every 13 months. Most recently, DrDrugs was updated on November 2, 2026 and Davis Lab and Diagnostic Tests on November 3, 2026.

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