Case Files Microbiology, 3e
Research answer
What AppTrendKit can say about Case Files Microbiology, 3e today
Case Files Microbiology, 3e has no estimate-backed download or gross-consumer-spend figure that meets the public evidence contract yet.
Observed App Store metadata, chart positions, and history are shown below. Missing, non-finite, undefined-currency, or undefined-metric evidence stays missing rather than becoming zero.
Performance intelligence
Observed trajectory and estimates
Store ranks are observations. Downloads and gross store consumer spend are AppTrendKit estimates and only appear when persisted evidence exists.
Estimated downloads · 30D
ModeledNo persisted estimate
The page does not turn missing evidence into zero.
Estimated App Store gross consumer spend · 30D
ModeledNo persisted estimate
The page does not turn missing evidence into zero.
Estimated downloads · 7D
ModeledNo persisted estimate
The page does not turn missing evidence into zero.
Estimated App Store gross consumer spend · 7D
ModeledNo persisted estimate
The page does not turn missing evidence into zero.
Evidence history
Collected daily performance
No daily metric history has been persisted yet.
Rank history
Observed chart positions
Lower rank is better. Only collected observations are shown.
Coverage note
What the ranks mean
A missing rank is not treated as zero downloads or zero revenue. Apple chart feeds are bounded and may return censored or not-ranked observations outside the visible chart depth.
Read the methodStorefront mix
Top countries by estimated contribution
Country estimates are aggregated only after country-level predictions exist.
Monetization
Observed store economics signals
These are listing and product observations. They are not company revenue, subscriber counts, or advertising revenue.
App details
Store metadata
- Version
- 1.7
- Released
- Feb 1, 2015
- Last updated
- Oct 14, 2024
- Content rating
- 12+
- Default storefront
- CZ
Public IAP observations
Validated in-app purchase prices
Only persisted rows with an explicit public publication boundary are shown. Missing price, currency, country, or date values stay unknown.
Listing detail
What the store says
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/
Publisher websiteStore creative
Screenshots
Competitive set
Similar apps
Deterministic links to real stored apps matched by category, publisher, and comparable performance bands.
Acute Care PT Case Files
Expanded Apps, Inc.
Cardiology Clinical Questions.
Expanded Apps, Inc.
Case Files - USMLE Test Prep
Expanded Apps, Inc.
Case Files Orthopedic Surgery
Expanded Apps, Inc.
Case Files Pharmacology
Expanded Apps, Inc.
Case Files Psychiatry
Expanded Apps, Inc.
Case Files: Anesthesiology
Expanded Apps, Inc.
Case Files: Biochemistry
Expanded Apps, Inc.
Methodology and provenance
Read every number with its evidence
Metadata source: Apple iTunes Search API; observed Sep 7, 2026, 8:39 PM.
Rankings: collected chart positions from the listed storefront. Missing ranks are not zeros.
Economics: downloads and gross store consumer spend are estimated, not official Apple or publisher figures.
Model: No persisted model version.
Confidence: —; intervals widen when evidence or history is limited.
Last observation: Sep 7, 2026, 8:39 PM.
See how AppTrendKit separates observations, estimates, coverage, and confidence.
Open methodology



