Comparison

Case Files Pediatrics vs Ferri's Best Test

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

Head to head
About

Case Files Pediatrics

Master pediatrics through realistic clinical cases designed for efficient exam preparation. Apply concepts and build clinical reasoning with high-yield content and step-by-step explanations. Study anytime, anywhere, and focus on what matters most for your clerkships and shelf exams.

Highlights
  • 60+ high-yield clinical cases
  • Real-life exam scenarios
  • Step-by-step explanations
  • Key takeaways for quick review
  • Study on the go
  • Progress tracking
Features
Read full description

Master Pediatrics—Fast . Learn pediatrics through real clinical cases and prepare efficiently for your exams. Case Files: Pediatrics delivers high-yield content in a format designed for focused, effective study. Learn Through Real Clinical Cases: Each case mirrors real exam scenarios, helping you apply concepts and build clinical reasoning—not just memorize facts. Study Smarter, Not Longer: Designed for efficient prep when time matters: -60+ high-yield clinical cases -Step-by-step explanations -Key takeaways for quick review -Built for fast retention Perfect for Exam Prep: Whether you're preparing for USMLE Step 1 or shelf exams, this app helps you focus on what matters most. Study Anywhere, Anytime -Review cases on the go -Pick up where you left off -Learn in minutes Trusted Case Files® Series -Real-world clinical scenarios -High-yield, exam-focused content -Designed for results Perfect for: -Pediatrics clerkship -NBME shelf exams -USMLE Step 2 -Written by experienced academic physicians and educators. -Privacy Policy: https://expandedapps.com/privacy-policy/ -Terms of Use: https://expandedapps.com/terms-of-use/ Sixth Edition

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.

Screenshots

Case Files Pediatrics4 screens
Ferri's Best Test4 screens

Verdict

The call

The clearest difference is ads: Case Files Pediatrics at none against Ferri's Best Test's shown. Ferri's Best Test's advantage is iOS requirement (13.0 vs 15.6). 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. Case Files Pediatrics sells 10 in-app purchases, starting at $6.99 per 7 days and Ferri's Best Test sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Case Files Pediatrics ships an update every 7 months, Ferri's Best Test every 6 months. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
Case Files Pediatrics versus Ferri's Best Test: the parameters behind the verdict, then further details
ParameterCase Files PediatricsFerri's Best Test
PriceFreeFree
Rating—4.8 (26 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—26 — better
Update frequencyEvery 7 monthsEvery 6 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size24 MB149 MB
Age rating12+17+
DeveloperExpanded AppsSkyscape Medpresso Inc

Customer experience

Case Files Pediatrics

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Ferri's Best Test

All ratings25 ratings
Positive92.0%
Neutral8.0%
Negative0.0%

In-app purchases

10 purchases

Case Files Pediatrics

Subscriptions6
  • 1 Week$6.997 Days
  • Weekly Access$10.997 Days
  • 1 Month$14.991 Month
Show 3 more
  • 1 Month$17.991 Month
  • Monthly Access$18.991 Month
  • 1 Year$69.991 Year
One-time4
  • Lifetime Access$24.99
  • Lifetime Access$29.99
  • Case Files Pediatrics, 6e$39.99
Show 1 more
  • Case Files Pediatrics 6e$39.99
1 purchases

Ferri's Best Test

One-time1
  • Ferri's Best Test - Lab & Diag$40.99

Questions

Is Case Files Pediatrics free?
Case Files Pediatrics is free to download, with in-app purchases available.
Is Ferri's Best Test free?
Ferri's Best Test is free to download, with in-app purchases available.
Do Case Files Pediatrics or Ferri's Best Test have ads?
Ferri's Best Test shows ads; Case Files Pediatrics does not.
Which is updated more often, Case Files Pediatrics or Ferri's Best Test?
Case Files Pediatrics ships an update every 7 months, and Ferri's Best Test every 6 months. Most recently, Case Files Pediatrics was updated on November 3, 2026 and Ferri's Best Test on November 6, 2026.

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