Comparison

Case Files Microbiology, 3e vs SonoCue

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

Head to head
About

Case Files Microbiology, 3e

Master medical microbiology through interactive patient cases and USMLE-style questions. This app helps students learn essential concepts by applying them to real-life scenarios, preparing them for exams and clinical practice.

Highlights
  • 54 high-yield patient cases
  • USMLE-style review questions
  • Interactive study modes (Study, Exam, Bookmark)
  • Clear concept discussions
  • Progress tracking
  • Note-taking and tagging
Features
Read full description

LEARN MICROBIOLOGY IN THE CONTEXT OF REAL-LIFE PATIENTS AND PREPARE FOR THE USMLE STEP 1 - Experience with clinical cases is key to excelling on the USMLE Step 1 and shelf exams, and ultimately to providing patients with competent clinical care. Case Files: Microbiology provides 54 true-to-life cases that illustrate essential concepts in this field. Each case includes an easy-to understand discussion correlated to essential basic science concepts, definitions of key terms, microbiology pearls, and USMLE-style review questions. With Case Files, you'll learn instead of memorize. -Learn from 54 high-yield cases, each with board-style questions and key-point pearls -Master complex concepts through clear and concise discussions -Practice with review questions to reinforce learning -Polish your approach to clinical problem-solving -Perfect for medical and dental students preparing for course exams and the Boards This free application includes 1 sample case study from the 54 that are available with a subscription. Each case has been designed for the iPad and iPhone with interactive features: • Study/Exam/Bookmark modes with USMLE-style review questions. • In the Study mode, check the answers as you tackle the questions. • In the Exam mode, time yourself and review the answers after the time is up. • In the Bookmark mode, review only the questions you have flagged for further study. • File away correctly answered questions after each practice quiz. • Choose the number of questions in each practice quiz: 25, 50, 100, 150, 200, or all. • Opt to include questions from previous quizzes. • Learn further from interactive questions at the end of each case, with explanations. • Sort cases by name or by case number. • Take down notes using the Notes section for each case. • Study in horizontal or vertical mode on the iPhone and the iPad. • Store quiz scores to track your progress. • Highlight key points in cases. • Save to iCloud to use app on multiple devices • Choose preferred font sizes • Create tags • Search content About the Authors Eugene C. Toy, MD is a dual certified family physician and ob/gyn and is Academic Chief and Program Director for the Obstetrics and Gynecology residency at The Methodist Hospital in Houston, Texas. He also oversees the ob/gyn clerkship at Christus St. Joseph Hospital and is actively involved in teaching medical students. Cynthia R. Skinner DeBord, PhD is a member of the Adjunct Faculty in Biology at Tomball College in Tomball, Texas. She was formerly the microbiology course director at UT–Houston School of Medicine. Audrey Wanger, PhD is Associate Professor at the Department of Pathology and Laboratory Medicine at The University of Texas–Houston Medical School in Houston, Texas. Gilbert A. Castro, PhD is Vice President for Health Affairs and Vice President for Academic Affairs at The University of Texas at El Paso in El Paso, Texas. Donald Briscoe, MD is the Program Director of Family Practice Residency at The Methodist Hospital–Houston in Houston, Texas. James D. Kettering, PhD is Emeritus Professor of Microbiology at Loma Linda University Schools of Medicine and Dentistry in Loma Linda, California. Expanded Apps Terms of Use: https://expandedapps.com/terms-of-use/ Expanded Apps Privacy Policy: https://expandedapps.com/privacy-policy/

About

SonoCue

Read full description

SonoCue is a clinical reference tool built for the scan room — for credentialed diagnostic medical sonographers (RDMS or equivalent) and ultrasound students. Not for patient use, not medical advice, not a diagnostic device. Created by Tricia Henderson, RDMS — a travel sonographer with nearly 30 years of clinical experience. Every finding in the database was authored and reviewed by her. WHAT'S INSIDE DIFFERENTIAL FINDER Searchable database of ultrasound findings across Obstetric, Gynecologic, Abdominal, Vascular, Neonatal, and Superficial Structures. Each entry includes: • Threshold or measurement • Common associations • Next scan steps • Clinical pearls • Severity classification (normal variant, watch, abnormal, critical) • Last-reviewed date REFERENCE TOOLS Society-cited formulas you reach for daily, in one offline-first app: • Gestational age tables (Hadlock 1984) • Estimated fetal weight calculator (Hadlock 4-parameter, 1991) • Biophysical profile (BPP) scorer (Manning, 1980) • Umbilical artery Doppler norms (Acharya, 2005) • Cervical length stratification • Amniotic fluid index (Phelan / Magann) Every calculator shows its formula source on screen. AI ANALYZE Describe what you see — get structured differential considerations to evaluate. Not a diagnosis, not a substitute for clinical judgment. Constrained by safety guardrails: refuses dosing requests, refuses non-sonography modalities, refuses anything framed as a definitive diagnosis. Capped at 5 uses per account per day. Every response is labeled AI-generated, shows its reasoning, and can be flagged for review. WHO IT'S FOR SonoCue is exclusively for trained ultrasound professionals — credentialed sonographers, ultrasound students, sonography educators, and physician sonographers. It is not designed for, and may not be used by, patients or untrained individuals. PRIVACY SonoCue is designed to actively prevent Protected Health Information (PHI) from being processed. Input text is sanitized for PHI patterns on your device and again on our server before any AI provider receives it. We do not store input text or AI responses tied to your account. We are not a HIPAA-covered service — see in-app Privacy Policy for details. OFFLINE-FIRST Differential Finder, Reference Tools, and Bookmarks all work offline. Once installed, you don't need a connection for the things you reach for during a scan. ABOUT THE BUILDER SonoCue is an independent app created by Pixel & Pulse Travelers. It is not affiliated with any imaging vendor, hospital system, or society. Questions or feedback: sonocue@pixelandpulsetravelers.com

Screenshots

Case Files Microbiology, 3e4 screens
SonoCue4 screens

Verdict

The call

The clearest difference is in-app purchases: SonoCue at none against Case Files Microbiology, 3e's 5. SonoCue also leads on update cadence (monthly vs every 20 months). On price, ads, device support and iOS requirement 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 Microbiology, 3e sells 5 in-app purchases, starting at $8.99 per 7 days. SonoCue asks for nothing beyond the download.

UpkeepUpdate frequency

Case Files Microbiology, 3e ships an update every 20 months, SonoCue monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Case Files Microbiology, 3e versus SonoCue: the parameters behind the verdict, then further details
ParameterCase Files Microbiology, 3eSonoCue
PriceFreeFree
Rating3.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 20 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size19 MB29 MB
Age rating12+17+
DeveloperExpanded AppsOtis Henderson

In-app purchases

5 purchases

Case Files Microbiology, 3e

Subscriptions4
  • 1 Week$8.997 Days
  • Weekly Access$10.997 Days
  • Monthly Access$19.991 Month
Show 1 more
  • 1 Year$79.991 Year
One-time1
  • Lifetime Access$39.99
None

SonoCue

No in-app purchases

Questions

Is Case Files Microbiology, 3e free?
Case Files Microbiology, 3e is free to download, with in-app purchases available.
Is SonoCue free?
SonoCue is free to download, with no in-app purchases.
Do Case Files Microbiology, 3e or SonoCue have ads?
Neither Case Files Microbiology, 3e nor SonoCue shows ads.
Which is updated more often, Case Files Microbiology, 3e or SonoCue?
Case Files Microbiology, 3e ships an update every 20 months, and SonoCue monthly. Most recently, Case Files Microbiology, 3e was updated on November 3, 2026 and SonoCue on October 31, 2026.

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