Comparison

Davis’s Lab & Diagnostic Tests vs Lab Values Pro

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

Head to head
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

About

Lab Values Pro

This app provides a clear and structured overview of common laboratory blood values, their standard ranges in both old and SI units, and potential causes for increases or decreases. It's designed for quick navigation and understanding for both medical professionals and laypeople.

Highlights
  • Overview of routine lab parameters
  • Causes of increased/decreased values
  • Standard values in old and SI units
  • Alphabetical and category-based navigation
  • Search bar for specific values
  • Generally understandable information
Features
Currently charting
Read full description

With Laboratory values ​​Pro, you can quickly and easily find out about blood laboratory values.
This laboratory app gives physicians and non-medical professionals a generally understandable, quickly navigable and clearly structured overview of the most important routine laboratory parameters and possible causes of their increase and decrease. The laboratory values ​​can be found alphabetically in menu item A-Z as well as under the respective categories. The standard values ​​are given in both the old units and SI units. The content presented here is for neutral information and general education only and in no case replaced personal consultation, examination or diagnosis by a licensed physician. No medical decision may only be based on results and information of this program - Laboratory Values ​​Pro App. We point out that neither remote diagnosis nor therapy suggestions are made for the individual case. 
For each laboratory value a short information can be queried quickly. The individual brief information is formulated in a generally understandable way and provides an overview of the indication, function and task of the respective laboratory value.
For each laboratory value numerous possible causes of their increase and decrease will be indicated.
Laboratory Pro gives the user an overview of the most important routine laboratory parameters including hematology, differential blood counts, clinical chemistry, blood clotting, Quick, INR, electrolyte balance, tumor markers and blood gas analysis.
In addition to classic scrolling, the program enables quick navigation between laboratory name, abbreviation of laboratory value, standard value, differential diagnostic interpretation of increase and decrease in value (especially for physicians, medical students, interested lay people). An additional search bar allows the targeted search for the desired laboratory value. Category:

     Exhaustion / fatigue
     Hair loss check
     Thyroid check
     trace elements
     Stress check
     Toxic elements
     Atherosclerosis indicators
     Cardiac diseases
     Diabetes check
     Carbohydrate metabolism
     Bone metabolism
     electrolyte balance
     Nierenparamter
     Inflammation paramters
     Iron metabolism
     Leberserologie
     Lipid Metabolism
     hematology

Screenshots

Davis’s Lab & Diagnostic Tests4 screens
Lab Values Pro4 screens

Verdict

The call

The clearest difference is review sentiment: Davis’s Lab & Diagnostic Tests at 50% against Lab Values Pro's 0%. Davis’s Lab & Diagnostic Tests also leads on price (Free vs $0.99) and rating (4.7 vs 4.0). Lab Values Pro's advantage is in-app purchases (none vs 2) and chart position (#198 vs unranked). On update cadence, 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 Pro costs $0.99 up front. Davis’s Lab & Diagnostic Tests sells 2 one-off in-app purchases. Lab Values Pro 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 4.0. That said, the two scores are not equally well evidenced: Davis’s Lab & Diagnostic Tests has 84 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Davis’s Lab & Diagnostic Tests's written reviews are positive against 0% of Lab Values Pro's.

UpkeepUpdate frequency

Davis’s Lab & Diagnostic Tests ships an update every 9 months, Lab Values Pro every 10 months. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

Scorecard8 real differences · 3 level
Davis’s Lab & Diagnostic Tests versus Lab Values Pro: the parameters behind the verdict, then further details
ParameterDavis’s Lab & Diagnostic TestsLab Values Pro
PriceFree — better$0.99
Rating4.7 (84 ratings) — better4.0 (3 ratings)
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings84 — better3
Update frequencyEvery 9 months — betterEvery 10 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#198 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size10 MB12 MB
Age rating17+17+
DeveloperUnbound Medicine, Inc.Dr. Steve Müller

Customer experience

Davis’s Lab & Diagnostic Tests

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

Lab Values Pro

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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
None

Lab Values Pro

No in-app purchases

Questions

Is Davis’s Lab & Diagnostic Tests free?
Davis’s Lab & Diagnostic Tests is free to download, with in-app purchases available.
Is Lab Values Pro free?
Lab Values Pro costs $0.99, with no in-app purchases.
Which has better reviews, Davis’s Lab & Diagnostic Tests or Lab Values Pro?
Davis’s Lab & Diagnostic Tests is rated higher. Davis’s Lab & Diagnostic Tests averages 4.7 out of 5 from 84 ratings, while Lab Values Pro averages 4.0 from 3 ratings.
Do Davis’s Lab & Diagnostic Tests or Lab Values Pro have ads?
Neither Davis’s Lab & Diagnostic Tests nor Lab Values Pro shows ads.
Which is updated more often, Davis’s Lab & Diagnostic Tests or Lab Values Pro?
Davis’s Lab & Diagnostic Tests ships an update every 9 months, and Lab Values Pro every 10 months. Most recently, Davis’s Lab & Diagnostic Tests was updated on October 22, 2026 and Lab Values Pro on October 6, 2026.

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