Comparison

Case Files vs Biochemistry Mastery

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

Head to head
About

Case Files

Features
Read full description

Master Biochemistry—Fast: Finally understand biochemistry through real clinical cases. Case Files: Biochemistry delivers high-yield content designed to simplify complex concepts and help you retain what matters. Understand—Don’t Memorize -Each case connects core biochemical concepts to real patient scenarios, helping you learn faster and with greater clarity. High-Yield Review That Makes Sense -Designed to make biochemistry easier: -50+ high-yield clinical cases -Clear explanations of complex concepts -Step-by-step clinical reasoning -Biochemistry pearls for quick review Built for Exam Success -Prepare effectively for USMLE Step 1 and course exams with focused, high-yield content. Study Anywhere, Anytime -Review cases quickly -Track your progress -Learn in short, focused sessions Trusted Case Files® Series -Proven case-based learning -Real-world clinical scenarios -High-yield, exam-focused content Get Started -Download the app to access sample cases. Unlock the full set for complete biochemistry review. Expanded Apps Privacy Policy: https://expandedapps.com/privacy-policy/

 Expanded Apps Terms of Use: https://expandedapps.com/terms-of-use/ Third edition

About

Biochemistry Mastery

Master biochemistry with over 400 practice questions, flashcards, and study strategies. Study offline anytime, anywhere, and track your progress. Upgrade for full access to all content and explanations.

Highlights
  • 400+ practice questions
  • 100+ terminology flashcards
  • Study strategies
  • Biochemistry mnemonics
  • Offline access
  • Progress tracking
Features
Read full description

Tired of poring over massive textbooks to study for your biochemistry exams? With Biochemistry Mastery you can maximize your study time and conquer your biochemistry classes anytime anywhere. Featuring over 400 practice questions, terminologies, mnemonics, and strategies, Biochemistry Mastery will help you improve your study habits, ace your biochem classes, and prepare for your future high-stakes exams. Whether you are pursuing your degree, preparing for graduate school, or simply interested in the subject, you can study for FREE with the most comprehensive biochemistry app on the market. We are always improving our app and adding new content at no additional cost. Biochemistry Mastery was developed to give you an edge by obsessively focusing on providing maximum learning in minimal time. Review biochem practice questions anywhere, anytime -- no network connection required! Install the free version today and jump start your studying! We have provided a limited free version of the app that you can try before deciding to upgrade. This version includes a limited amount of practice questions and basic progress metrics. Upgrade to the Premium version with a one-time, in-app purchase that includes lifetime access to: • 400+ practice questions, answers and complete explanations • 100+ Terminology flashcards • Proven strategies to help you ace your test • The most comprehensive list of biochemistry mnemonics on the market • Get immediate feedback to track your overall progress as you study and master new topics Study biochemistry anytime and anywhere, even without internet access!

Screenshots

Case Files4 screens
Biochemistry Mastery4 screens

Verdict

The call

The clearest difference is update cadence: Biochemistry Mastery at monthly against Case Files's every 21 months. Biochemistry Mastery also leads on iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases 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. Case Files sells 6 in-app purchases, starting at $9.99 per 7 days and Biochemistry Mastery sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Case Files ships an update every 21 months, Biochemistry Mastery monthly. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Case Files versus Biochemistry Mastery: the parameters behind the verdict, then further details
ParameterCase FilesBiochemistry Mastery
PriceFreeFree
Rating—4.6 (36 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—36 — better
Update frequencyEvery 21 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size20 MB64 MB
Age rating12+12+
DeveloperExpanded AppsgWhiz, LLC

In-app purchases

6 purchases

Case Files

Subscriptions4
  • 1 Week$9.997 Days
  • Weekly Access$10.997 Days
  • 1 Month$18.991 Month
Show 1 more
  • 1 Year$79.991 Year
One-time2
  • Lifetime Access$29.99
  • Case Files Biochemistry Test Review Questions for USMLE Step 1 & NBDE Exams$39.99
1 purchases

Biochemistry Mastery

One-time1
  • One time purchase to unlock all content (NOT a subscription).Free

Questions

Is Case Files free?
Case Files is free to download, with in-app purchases available.
Is Biochemistry Mastery free?
Biochemistry Mastery is free to download, with in-app purchases available.
Do Case Files or Biochemistry Mastery have ads?
Neither Case Files nor Biochemistry Mastery shows ads.
Which is updated more often, Case Files or Biochemistry Mastery?
Case Files ships an update every 21 months, and Biochemistry Mastery monthly. Most recently, Case Files was updated on October 24, 2026 and Biochemistry Mastery on October 24, 2026.

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