Comparison

PathoPlay vs MedAtlas

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

Head to head
About

PathoPlay

Learn disease and drug mechanisms through interactive puzzles. Connect molecular cascades, identify drug targets, and understand how disruptions lead to illness across 10 body systems. Offers daily challenges and offline access.

Highlights
  • Mechanism-based learning
  • Interactive puzzles
  • Disease and drug tracing
  • Daily challenges
  • Offline access
  • 10 body systems covered
Features
Read full description

PathoPlay teaches pathophysiology and pharmacology by mechanism, not memorization. Trace how diseases start, how drugs treat them, and how the same molecular cascades recur across organ systems. Can you connect the chain? Portal hypertension → splanchnic capillary pressure → fluid transudation → ascites. Every link matters. Miss one, and the pathway breaks. Now treat it. Five drugs in your cart. Only one hits the right molecular target. Choose wrong, the cascade continues. Now sabotage it. A healthy cascade. Five insults: pathogens, toxins, autoantibodies, stressors. Only one disrupts the pathway at the right node. Drop it correctly, and watch the disease unfold step by step. FIVE MODES Chain — Drag and connect steps from trigger to clinical outcome. Reverse — Start with a clinical finding and trace backward to the root cause. How attendings think. Versus — Two similar diseases side by side. Fill in the gaps that distinguish them. Treat — Drag the correct drug onto the right molecular target to block the cascade. Pharmacology by mechanism. Sabotage — Drop the right pathogen, toxin, or autoantibody onto the node it disrupts. Watch the cascade fail in real time. PLUS Mechanisms — Study horizontally instead of by body system. 28 immunopathology, toxin, and hemodynamic clusters span every mode. Daily Challenge — One new chain every day. Build your streak in under 3 minutes. 650 PUZZLES ACROSS 10 BODY SYSTEMS Cardiovascular, Respiratory, Renal, GI & Hepatology, Neurology, Endocrine, Infectious Disease, Hematology, Reproductive, Rheumatology — pathophysiology, pharmacology, and mechanism-disruption in every system. Sabotage highlights: H. pylori, HBV cccDNA, C. difficile, doxorubicin cardiotoxicity, anti-PLA2R membranous, falciparum malaria, prion disease, MS, Hashimoto, Graves, TTP, HIT, APS, HPV cervical cancer, drug-induced lupus, statin myopathy. WHO IT'S FOR Medical students preparing for USMLE Step 1 and Step 2 CK. Nursing students mastering mechanisms for NCLEX. PA, NP, and pharmacy students building clinical reasoning foundations. Anyone who wants to understand why diseases happen and how drugs work. WHY IT WORKS Most study tools ask you to recall facts. PathoPlay asks you to think with mechanism as the unit of reasoning. Five different ways to engage the same molecular reality builds understanding that survives exam pressure and translates to clinical practice. Every puzzle ends with a clinical pearl referenced to standard medical textbooks. From the makers of MedDiagnosis (clinical case simulator) and Kinetics (USMLE biochemistry). ACCESS 200 chains free across all 10 body systems One-time purchase unlocks all four premium modes, the Mechanisms browse, and all future content, yours forever No subscriptions, no ads, fully offline Evidence-based content referenced to Robbins & Cotran, Harrison's, Guyton & Hall, Goodman & Gilman's, Pathoma, Nat Rev Dis Primers, NEJM, and Lancet. Support: contact@diagnosticstudios.com Educational use only. Not for clinical decision-making. USMLE® is a trademark of NBME/FSMB. No affiliation or endorsement.

About

MedAtlas

This medical reference app provides licensed healthcare professionals with quick access to clinical guidelines, drug dosages, and decision pathways. It features over 250 calculators, hundreds of infection regimens, and detailed medication information, all sourced from published literature and FDA labels. The app works offline and requires no account, ensuring privacy and accessibility at the bedside.

Highlights
  • 250+ clinical calculators
  • 200+ infection syndromes with sourced regimens
  • 250+ medications with dosing adjustments
  • 100+ tap-through decision algorithms
  • 50+ resuscitation protocols
  • 50+ step-by-step procedure guides
  • Offline functionality
Features
Read full description

MedAtlas is a bedside clinical reference for licensed healthcare professionals. Open it at the workstation, on rounds, or mid-shift, and the answer you need is one tap away — every regimen, dose, and decision pathway sourced to a published guideline, peer-reviewed paper, or FDA label. The way MedAtlas works: every screen carries a source ribbon at the top. Tap it to see the underlying IDSA, AHA, ACC, ATS, FDA, ACOG, or other society reference, then tap "Read the source" to open the original paper inside the app. The clinician sees exactly where each answer came from before acting on it. INSIDE MEDATLAS: · 250+ clinical calculators (HEART, CHA₂DS₂-VASc, Wells DVT/PE, PERC, qSOFA, SOFA, MELD, Glasgow-Blatchford, NIHSS, ASCVD, CIWA-Ar, GCS, Centor, PSI/PORT, and many more) · 200+ infection syndromes with sourced regimens (cellulitis, sepsis, pneumonia by setting, UTI, meningitis, endocarditis, C. difficile, neutropenic fever, and more) · 250+ medications with renal and hepatic dosing adjustments, drug-class context, and FDA-label links · 100+ tap-through decision algorithms (ACS chest pain, stroke thrombolysis, sepsis hour-1, anaphylaxis severity, refractory status epilepticus, TBI/ICP, hyperkalemia, DKA, and more) · 50+ resuscitation protocols (RSI, procedural sedation, ACLS arrest meds, anaphylaxis, MTP, hyperK emergency, toxic ingestions, malignant hyperthermia) · 50+ step-by-step procedure guides (central line IJ, chest tube, lumbar puncture, paracentesis, thoracentesis, laceration repair, abscess I&D, suprapubic catheter, and more) All 250+ calculators are free, forever. MedAtlas Pro unlocks the rest of the reference library — syndromes, drug dosing, protocols, procedures, decision algorithms — plus the in-app source reader for every cited paper. WORKS OFFLINE. NO ACCOUNT. NO TRACKING. MedAtlas runs fully offline after install — drug dosing, calculators, syndromes, algorithms, procedures all available with airplane mode on. The only thing that needs internet is the in-app source reader (loading the original paper). No sign-in required. We do not collect personally identifying information. We never collect or store patient health information. The full Privacy Policy and Terms of Service live in the Account tab. MEDATLAS PRO — 7-DAY FREE TRIAL After the trial, $8.99/month or $79.99/year. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID account settings. ABOUT USE MedAtlas is designed for licensed healthcare professionals and trainees acting under appropriate supervision. It is a quick-reference tool, not a substitute for clinical judgment, examination, or current prescribing information. Always verify dosing, contraindications, and interactions against the linked source and your institution's references before clinical action. Questions, feedback, or content corrections: support@usemedatlas.com Privacy Policy: https://usemedatlas.com/privacy Terms of Service: https://usemedatlas.com/terms

Screenshots

PathoPlay4 screens
MedAtlas4 screens

Verdict

The call

The clearest difference is update cadence: MedAtlas at every 4 days against PathoPlay's every 11 days. PathoPlay's advantage is ratings volume (4 vs 1). On price, rating, ads and in-app purchases 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. PathoPlay sells 1 one-off in-app purchase and MedAtlas sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for PathoPlay against 5.0 for MedAtlas. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

PathoPlay ships an update every 11 days, MedAtlas every 4 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
PathoPlay versus MedAtlas: the parameters behind the verdict, then further details
ParameterPathoPlayMedAtlas
PriceFreeFree
Rating5.0 (4 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 11 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size58 MB50 MB
Age rating17+17+
DeveloperHelena KasoTY MICHEAL,WILLIAMS DUNSE

In-app purchases

1 purchases

PathoPlay

One-time1
  • PathoPlay Premium$12.99
2 purchases

MedAtlas

Subscriptions2
  • MedAtlas Pro Monthly7 Days trial$8.991 Month
  • MedAtlas Pro Annual7 Days trial$79.991 Year

Questions

Is PathoPlay free?
PathoPlay is free to download, with in-app purchases available.
Is MedAtlas free?
MedAtlas is free to download, with in-app purchases available.
Which has better reviews, PathoPlay or MedAtlas?
PathoPlay and MedAtlas are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.
Do PathoPlay or MedAtlas have ads?
Neither PathoPlay nor MedAtlas shows ads.
Which is updated more often, PathoPlay or MedAtlas?
PathoPlay ships an update every 11 days, and MedAtlas every 4 days. Most recently, PathoPlay was updated on October 24, 2026 and MedAtlas on October 31, 2026.

Other comparisons