Comparison

Osmosis vs Chronic Diseases

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

Head to head
About

Osmosis

This app helps medical students learn complex concepts faster and retain more information. It offers animated videos, flashcards, notes, and board-style questions to prepare for exams and build clinical skills.

Highlights
  • Animated medical videos
  • Spaced repetition flashcards
  • Board-style practice questions
  • Downloadable notes and videos
  • Clinical decision-making trees
  • Cross-platform syncing
Currently charting
Read full description

Struggling to understand medical concepts or prepare for the USMLE? Osmosis is the medical exam study app designed to help med students learn medicine faster, improve information retention and pass medical board exams with flying colours. Trusted by 8,000,000+ medical, nursing, PA, pharmacy and dental students, this medical learning app turns downtime into productive study time with an expansive library of medical videos, flashcards, quizzes, exam-style questions and more. Instead of memorizing isolated facts, Osmosis helps you learn how medical concepts connect - so that you can retain more information, study smarter and apply what you learn to exams and in clinical practice. And now, you can ask Osmosis AI for instant, evidence-based answers grounded in Elsevier medical textbooks and linked to Osmosis videos. Generate flashcards, quizzes, summaries and mnemonics on demand with AI so you never have to second-guess your source. EXAM PREP FOR EVERY US MEDICAL LICENSING EXAM • USMLE Step 1 & Step 2 • COMLEX-USA Level 1 & Level 2 • NCLEX-RN & NCLEX-PN • PANCE • ABFM / ABIM • UKMLA (UK) With Osmosis, everything in your medical studies connects so nothing gets lost. Flashcards, videos and notes work together to make every study session stress free and every exam prep hour more productive. Ready to learn smarter? DOWNLOAD today to start your FREE 7-DAY TRIAL. STUDY ANYWHERE, ANYTIME Download medical videos and exam questions for offline study on the commute, before rounds or between clinics. Sync across iPhone, iPad and web so you can learn wherever you are. WHY CHOOSE OSMOSIS? • 1000s of concise medical videos that simplify complex medical concepts and support visual learning • Medical flashcards that help you learn and retain key concepts, with concise explanations reviewed by medical experts • A custom quiz builder that transforms your study time so you can master medical material and ace your exams • Board-style practice exam questions with detailed explanations • 450+ high-yield summary notes with key points and diagrams from videos • Printable clinical decision-making trees to learn on the go • Spaced repetition guides what medical concepts to study next, focusing you on the areas where you need it the most YOUR ALL-IN-ONE MEDICAL LEARNING TOOLKIT From concept mastery to clinical reasoning, Osmosis turns complex medical material into clear, digestible learning experiences so that you can study with confidence and pass exams first time, every time. LEARN SMARTER Our videos and High-Yield medical study notes condense everything you need to learn and nothing you don't. Study efficiently and retain the medical knowledge that matters most for board exams and clinical practice. GET A PERSONALIZED, FLEXIBLE STUDY PLAN IN MINUTES Choose your learning goals and set your study hours, Osmosis handles the rest. Your daily study checklist shows which videos, exam questions and topics to learn each day. Add custom tasks like homework, practice exams and reminders to keep your medical studies on track. FOLLOW OSMOSIS ON SOCIAL: YouTube: youtube.com/osmosis TikTok: @learnbyosmosis Instagram: @osmosismed Facebook: @OsmoseIt X: twitter.com/OsmosisMed Bluesky: @osmosismed.bsky.social DOWNLOAD and start your FREE 7-DAY TRIAL today! Subscriptions are charged annually & automatically renew unless auto-renew is turned off at least 24-hours before end of the current period. Payment will be charged to iTunes Account at confirmation of purchase. Your iTunes Account will be charged the current annual subscription cost each year for renewal within 24-hours prior to end of current period. You can manage your subscriptions and turn off auto-renewal by going to your iTunes Account Settings any time after purchase. Any free trial will be interrupted when a paid subscription is purchased. Terms: www.osmosis.org/terms Privacy policy: www.osmosis.org/privacy Contact support@osmosis.org with any account/purchase queries.

About

Chronic Diseases

Features
Read full description

Chronic Disease is a long-lasting condition that can be controlled but not cured. Chronic illness affects the population worldwide. This application provides you all kind of Chronic Disease ,their cause,symptoms,prevention and control,treatment ,medication etc. Preventing Chronic Disease (PCD) is now available as a free app on your mobile device, bringing you the latest and most relevant peer-reviewed research on public health efforts to prevent chronic disease. Although chronic diseases are among the most common and costly health problems, they are also among the most preventable and most can be effectively controlled. Chronic diseases generally cannot be prevented by vaccines or cured by medication, nor do they just disappear.

Screenshots

Osmosis4 screens
Chronic Diseases4 screens

Verdict

The call

The clearest difference is in-app purchases: Chronic Diseases at none against Osmosis's 14. Chronic Diseases also leads on iOS requirement (7.1 vs 16.6). Osmosis's advantage is update cadence (monthly vs every 6 months) and chart position (#89 vs unranked). On price, ads 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. Osmosis sells 12 in-app purchases, starting at $16.99 per month. Chronic Diseases asks for nothing beyond the download.

UpkeepUpdate frequency

Osmosis ships an update monthly, Chronic Diseases every 6 months. The most recent releases landed on September 23, 2026 and September 7, 2026 respectively.

Scorecard4 real differences · 7 level
Osmosis versus Chronic Diseases: the parameters behind the verdict, then further details
ParameterOsmosisChronic Diseases
PriceFreeFree
Rating4.8 (3.9K ratings) — better—
Positive reviews47.4% of reviews—
Number of ratings3.9K — better—
Update frequencyMonthly — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#89 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.67.1 — better
Further details — not scored
Size67 MB41 MB
Age rating17+12+
DeveloperKnowledge Diffusionrahul baweja

Bugs and requests

Osmosis

Reported bugs

5 issues
  • Verification email never sent
  • Videos won't play or keep restarting
  • Inability to access high-yield notes on app
  • Flashcards and quizzes not working properly
  • App getting stuck on loading/login screens

Requested features

5 requests
  • Add speech pathology to the platform
  • Provide Arabic subtitles for videos
  • Implement split-screen functionality
  • Allow editing of flashcards on mobile
  • Improve search and playlist features

Chronic Diseases

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Osmosis

Subscriptions12
  • Osmosis Full Access Monthly3 variants$16.991 Month
  • Clinical Sciences Monthly$16.991 Month
  • Osmosis Basic Sciences Monthly$16.991 Month
Show 9 more
  • Osmosis Suite Access Monthly$49.001 Month
  • Clinical Science 6 Month$129.006 Months
  • Clinical Science Access Yearly$169.001 Year
  • Basic Sciences Access 6 Month$179.006 Months
  • Osmosis Full Access 6 Month$179.996 Months
  • Osmosis Full Access Yearly$199.991 Year
  • Basic Sciences Access Yearly$199.991 Year
  • Osmosis Suite Access 6 Month$229.006 Months
  • Osmosis Suite Access Yearly$249.001 Year
None

Chronic Diseases

No in-app purchases

Questions

Is Osmosis free?
Osmosis is free to download, with in-app purchases available.
Is Chronic Diseases free?
Chronic Diseases is free to download, with no in-app purchases.
Do Osmosis or Chronic Diseases have ads?
Neither Osmosis nor Chronic Diseases shows ads.
Which is updated more often, Osmosis or Chronic Diseases?
Osmosis ships an update monthly, and Chronic Diseases every 6 months. Most recently, Osmosis was updated on September 23, 2026 and Chronic Diseases on September 7, 2026.

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