Comparison

Lab Values+ Medical Reference vs Davis’s Lab & Diagnostic Tests

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

Head to head
About

Lab Values+ Medical Reference

This app provides a comprehensive medical reference, combining lab values, medical abbreviations, and prefixes/suffixes. It offers editable data, detailed lab information, and links to external resources for quick access to critical medical data.

Highlights
  • 3-in-1 medical reference (Lab Values, Abbreviations, Prefixes/Suffixes)
  • Fully editable lab data
  • Hundreds of lab reference values
  • Common lab panels included
  • SI and US units for lab values
  • Thousands of medical abbreviations
  • Links to external medical resources
Features
Currently charting
Read full description

A study reference for laboratory values, medical abbreviations, and the word roots medical vocabulary is built from — for nursing and medical students, and for anyone reviewing the material. It works fully offline, with no account and no sign-up. WHAT YOU GET • 400+ lab reference values across 19 categories, in SI or US units — switch with one tap • Critical values, descriptions, and the differentials taught for high and low results • Common Panels: CBC, BMP, CMP, LFTs, ABG, coagulation, thyroid, iron studies, lipids, urinalysis, CSF, and hepatitis • Blood collection tube guide covering order of draw, additives, and inversion counts • Thousands of medical abbreviations, searchable instantly • 400+ medical prefixes and suffixes with origin, meaning, and examples • Fast search in every section — labs, abbreviations, prefixes and tubes each search their own content • Favorites, Recently Viewed, and an A–Z master list • Related labs and curated reference links (ClinLab Navigator, Lab Tests Online, MedlinePlus, Wikipedia, and more) on every lab MAKE IT YOURS • Every entry is editable — set ranges to match what your program or laboratory teaches • Add your own labs, abbreviations, and prefixes • Revert any edit back to the built-in reference with one tap • Your edits and favorites stay on your device and are never overwritten ALWAYS CURRENT Reference data updates automatically in the background, so corrections reach you without waiting for an app update. DESIGNED FOR 2026 A ground-up redesign with full dark mode, a dedicated iPad sidebar layout, and modern iOS design throughout. Updating from an earlier version? Your favorites, edits, and recents migrate automatically. PRIVATE BY DESIGN No account. No tracking. Anonymous usage statistics only — the text you type in search is never recorded, and nothing can be linked to you or your device. Lab Values+ is a study and teaching tool. It is not a medical device and is not for diagnosing or treating anyone. Nothing in it substitutes for clinical judgment, supervision, or your institution's guidelines. Reference ranges vary between laboratories — always confirm against the laboratory that ran the test.

About

Davis’s Lab & Diagnostic Tests

This app provides comprehensive guidance on hundreds of diagnostic tests, including interpretation of results, patient preparation, and post-test care. It's designed for nurses and healthcare professionals to understand and implement critical test procedures effectively.

Highlights
  • Over 400 lab and diagnostic test monographs
  • Subspecialty test coverage
  • Nursing implications and clinical judgment sections
  • Cross-reference links to related tests
  • Patient preparation and specimen collection guides
  • Advanced search and favorites functionality
Features
Read full description

**Featuring Content from the latest Edition** * Easy-To-Understand Guidance for Before, During, and After Every Test * ABOUT DAVIS’S LABORATORY & DIAGNOSTIC TESTS Davis’s Laboratory & Diagnostic Tests contains hundreds of diagnostic test descriptions to help understand and implement critical test procedures. Each entry delivers details on test function, accurately interpreting normal and abnormal results, and preparing your patients. With recommendations on pretest requirements, intratest procedures, and post-test care, this mobile resource is the perfect companion for practicing nurses, nursing students, and other health care professionals. FEATURES • Up-to-date monographs of over 400 laboratory and diagnostic tests • Unique coverage of laboratory and diagnostic tests for subspecialties, such as maternity, therapeutic drug monitoring, nutrition and sensory • New coverage of sensitive issues that nurses encounter in real-life practice such as patient decisions on childhood vaccinations, caring for victims of sexual assault, and how to describe maternal markers to screen for generic defects • Emphasis on Clinical Judgment with “Nursing Implications, Nursing Process, Clinical Judgment” sections added to draw attention to the clinical judgment aspect of care • Cross-reference links to related tests • Common Use sections with everyday language descriptions of what the test is for • Useful appendices including Critical Findings, Procedural Checklists, Patient Prep and Specimen Collection • Interfering Factors listing anything that may interfere with the results of the test • Highlight and make notes within any entry • Advanced Search helps find topics quickly • “Favorites” for bookmarking important entries Authors: Anne M. Van Leeuwen, MA, BS, MT (ASCP); Mickey L. Bladh, RN, MSN Publisher: F.A. Davis Powered by: Unbound Medicine

Screenshots

Lab Values+ Medical Reference4 screens
Davis’s Lab & Diagnostic Tests4 screens

Verdict

The call

The clearest difference is price: Davis’s Lab & Diagnostic Tests at Free against Lab Values+ Medical Reference's $2.99. Davis’s Lab & Diagnostic Tests also leads on rating (4.7 vs 3.7) and iOS requirement (15.0 vs 17.0). Lab Values+ Medical Reference's advantage is in-app purchases (none vs 2) and review sentiment (83% vs 50%). On ratings volume, ads 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

Davis’s Lab & Diagnostic Tests is free to download; Lab Values+ Medical Reference costs $2.99 up front. Davis’s Lab & Diagnostic Tests sells 2 one-off in-app purchases. Lab Values+ Medical Reference asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Davis’s Lab & Diagnostic Tests holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 44 and 84 respectively. Written reviews complicate that: 83% of Lab Values+ Medical Reference's written reviews are positive against 50% of Davis’s Lab & Diagnostic Tests's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Lab Values+ Medical Reference ships an update monthly, Davis’s Lab & Diagnostic Tests every 9 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.

Scorecard8 real differences · 3 level
Lab Values+ Medical Reference versus Davis’s Lab & Diagnostic Tests: the parameters behind the verdict, then further details
ParameterLab Values+ Medical ReferenceDavis’s Lab & Diagnostic Tests
Price$2.99Free — better
Rating3.7 (44 ratings)4.7 (84 ratings) — better
Positive reviews82.9% of reviews — better50.0% of reviews
Number of ratings4484 — better
Update frequencyMonthly — betterEvery 9 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#194 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size14 MB10 MB
Age rating17+17+
DeveloperHipposoft, LLCUnbound Medicine, Inc.

Customer experience

Lab Values+ Medical Reference

All ratings44 ratings
Positive70.5%
Neutral2.3%
Negative27.3%
Written reviews105 reviews
Positive82.9%
Neutral5.7%
Negative11.4%

Davis’s Lab & Diagnostic Tests

All ratings84 ratings
Positive94.0%
Neutral1.2%
Negative4.8%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Lab Values+ Medical Reference

Reported bugs

8 issues
  • Screen cuts in the middle
  • Lower half of screen is white and unresponsive
  • App crashes frequently
  • In-app links not working due to transport security policy
  • Notes saved, but not the order/listing of labs
Show 3 more
  • Cannot send email from contact us
  • App does not open
  • Advertisement pop-ups in paid app

Requested features

14 requests
  • Add common tests like ANA
  • Improve readability/font size
  • Fix screen cutting/responsiveness issues
  • Add search functionality for lab values
  • Save custom lab order
Show 9 more
  • Update data for new lab items (e.g., cystatin C)
  • Provide patient preparation info (fasting, etc.)
  • Include UK terminology option
  • Add microbiological findings and related causes
  • Include relevance of Blood Transfusion antibodies and phenotypes
  • Add dark mode
  • Improve UI aesthetics
  • Remove advertisements from paid app
  • Add Spanish language support (more broadly)

Davis’s Lab & Diagnostic Tests

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lab Values+ Medical Reference

No in-app purchases

2 purchases

Davis’s Lab & Diagnostic Tests

One-time2
  • Davis's Labs & Dx Tests$49.99
  • Davis's Lab and Dx Tests$49.99

Questions

Is Lab Values+ Medical Reference free?
Lab Values+ Medical Reference costs $2.99, with no in-app purchases.
Is Davis’s Lab & Diagnostic Tests free?
Davis’s Lab & Diagnostic Tests is free to download, with in-app purchases available.
Which has better reviews, Lab Values+ Medical Reference or Davis’s Lab & Diagnostic Tests?
Davis’s Lab & Diagnostic Tests is rated higher. Lab Values+ Medical Reference averages 3.7 out of 5 from 44 ratings, while Davis’s Lab & Diagnostic Tests averages 4.7 from 84 ratings.
Do Lab Values+ Medical Reference or Davis’s Lab & Diagnostic Tests have ads?
Neither Lab Values+ Medical Reference nor Davis’s Lab & Diagnostic Tests shows ads.
Which is updated more often, Lab Values+ Medical Reference or Davis’s Lab & Diagnostic Tests?
Lab Values+ Medical Reference ships an update monthly, and Davis’s Lab & Diagnostic Tests every 9 months. Most recently, Lab Values+ Medical Reference was updated on September 21, 2026 and Davis’s Lab & Diagnostic Tests on September 12, 2026.

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