Comparison

Ferri's Best Test vs PriMed Rx Mobile

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

Head to head
About

Ferri's Best Test

This medical reference app provides guidance on laboratory and imaging approaches for over 400 tests and 230 diseases. It features interactive flowcharts, IU units, and concise clinical material to aid in test selection and diagnostic skills.

Highlights
  • Over 400+ tests and labs
  • Guidance on radio-logic & laboratory approaches
  • 230+ common diseases
  • Interactive flowcharts
  • IU units for all tests
  • SmartSearch technology
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. Based on 4th print ed. Guidance on radio-logic & laboratory approaches. Over 400+ tests & labs. 230+ common diseases. Interactive flowcharts. IU units for all tests. Practical and concise, go-to reference for up-to-date clinical material on today's diagnostic testing and laboratory tests. Three convenient sections provide quick access to key information on clinical laboratory testing, diagnostic imaging, and diagnostic algorithms. Experienced author Dr. Fred Ferri uses a unique, easy-to-follow format to simplify complex information and help you choose the best test to supplement your clinical diagnostic skills. New to this Edition * Features a new appendix on when to use contrast agents in ordering CT and MRI scans. * Discusses new modalities including transient elastography (Fibroscan), CT enterography and CT enteroclysis. * Provides new comparison tables to easily evaluate the best test; new algorithms for evaluation of immunodeficiency and hematochezia; and new tables and illustrations throughout to improve your test selection. Key Features * Includes both lab and imaging tests for concise, convenient access to all diagnostic test options for more than 200 common diseases and disorders. * Includes essential information on indications, advantages, disadvantages, approximate costs, normal ranges, typical abnormalities, likeliest causes, and more. 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. Content licensed from printed ISBN 10: 0323511406 Content licensed from printed ISBN 13: 9780323511407 If you have any questions or comments, email us any time: customersupport@skyscape.com or call 508-299-30000 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): Fred F. Ferri, MD, FACP Publisher: Mosby | Elsevier, Inc.

About

PriMed Rx Mobile

Read full description

PriMed Rx Mobile is a mobile product marketplace for customers of PriMed Pharmaceuticals, LLC. To service our customers in the ever-increasing mobile environment, PriMed Rx Mobile will connect its customers with up-to-date offers and products at the convenience of their mobile device.

Screenshots

Ferri's Best Test4 screens
PriMed Rx Mobile3 screens

Verdict

The call

The clearest difference is in-app purchases: PriMed Rx Mobile at none against Ferri's Best Test's 1. PriMed Rx Mobile also leads on ads (none vs shown) and update cadence (every 2 months vs every 6 months). On price 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. Ferri's Best Test sells 1 one-off in-app purchase. PriMed Rx Mobile asks for nothing beyond the download.

UpkeepUpdate frequency

Ferri's Best Test ships an update every 6 months, PriMed Rx Mobile every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 5 level
Ferri's Best Test versus PriMed Rx Mobile: the parameters behind the verdict, then further details
ParameterFerri's Best TestPriMed Rx Mobile
PriceFreeFree
Rating4.8 (26 ratings) — better—
Number of ratings26 — better—
Update frequencyEvery 6 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.010.0 — better
Further details — not scored
Size149 MB27 MB
Age rating17+4+
DeveloperSkyscape Medpresso IncPriMed Pharmaceuticals, LLC

In-app purchases

1 purchases

Ferri's Best Test

One-time1
  • Ferri's Best Test - Lab & Diag$40.99
None

PriMed Rx Mobile

No in-app purchases

Questions

Is Ferri's Best Test free?
Ferri's Best Test is free to download, with in-app purchases available.
Is PriMed Rx Mobile free?
PriMed Rx Mobile is free to download, with no in-app purchases.
Do Ferri's Best Test or PriMed Rx Mobile have ads?
Ferri's Best Test shows ads; PriMed Rx Mobile does not.
Which is updated more often, Ferri's Best Test or PriMed Rx Mobile?
Ferri's Best Test ships an update every 6 months, and PriMed Rx Mobile every 2 months. Most recently, Ferri's Best Test was updated on October 24, 2026 and PriMed Rx Mobile on October 25, 2026.

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