Comparison

CardioThoraxia vs ShockRef

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

Head to head
About

CardioThoraxia

Features
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CardioThoraxia - Precision Literature Search and AI Insight for Cardiothoracic Surgery CardioThoraxia is a focused literature search and analysis tool built specifically for cardiothoracic surgeons, trainees, and researchers. Search PubMed efficiently. Interpret abstracts clearly. Stay current with confidence. AI Insight (Optional Subscription) AI Insight provides structured, academic-style interpretations of PubMed abstracts to help you quickly understand what a study is reporting. Each AI Insight includes: • One-sentence takeaway • Study type and population summary • Intervention and comparator overview • Key findings based only on the abstract • Reported limitations • Cardiothoracic surgery implications • A structured “Should this change practice?” assessment with confidence rating AI Insight is generated from PubMed abstract text and metadata only, not full text. It is intended for literature interpretation and educational use only. It does not provide medical advice. Always review the original abstract and full article before applying findings in clinical practice. AI Insight is available as an auto-renewing subscription. Precision Search Built for Cardiothoracic Surgery Build accurate PubMed searches using a guided, topic-based approach without writing complex query strings manually. • Start with curated cardiothoracic surgery topics • Combine topics using AND or OR logic • Emphasize a primary topic to focus results • Add optional refinements as needed Designed for Clinical Practice • Comprehensive taxonomy covering cardiac, thoracic, congenital, transplant, aortic, vascular, and surgical domains • Topics organized by clinical workflow rather than generic medical categories • Supports both focused clinical questions and broad literature exploration For Trainees and Experienced Surgeons • Build effective searches without knowing PubMed syntax • Advanced Search allows direct editing of the underlying PubMed query • Seamless links to PubMed abstracts and journal websites • Save time interpreting new research CardioThoraxia helps you spend less time managing search syntax and more time engaging with the literature that matters. Subscription Information AI Insight is available as an auto-renewing subscription. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription at any time in your Apple ID account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cardiothoraxia.com/privacypolicy/

About

ShockRef

A clinical reference for managing shock and hemodynamics, offering insights into bedside physiology, resuscitation, and mechanical circulatory support. It includes practical calculators and drug references for critical care professionals and students.

Highlights
  • Shock phenotyping
  • Resuscitation workflows
  • Vasoactive drug references
  • Mechanical circulatory support troubleshooting
  • Physiology-based critical care
  • Practical calculators
Features
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ShockRef is a focused educational reference for clinicians and learners managing shock, hemodynamics, vasoactive therapy, and temporary mechanical circulatory support. It integrates bedside physiology, shock phenotyping, resuscitation workflows, monitoring pitfalls, drug references, MCS troubleshooting, source citations, and practical calculators for structured, physiology-based critical care. This app is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you may have regarding a medical condition, and never disregard or delay seeking professional advice because of information provided by this app. About Rishi Kumar, MD, FACC ("RK.MD") I'm an adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist practicing in academic medicine. I'm passionate about teaching with free, open-access medical education. Learn more on my site: https://rk.md

Screenshots

CardioThoraxia4 screens
ShockRef4 screens

Verdict

The call

The clearest difference is in-app purchases: ShockRef at none against CardioThoraxia's 2. CardioThoraxia's advantage is iOS requirement (18.6 vs 26.0). On price, update cadence, 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. CardioThoraxia sells 2 in-app purchases, starting at $19.99 per month. ShockRef asks for nothing beyond the download.

UpkeepUpdate frequency

CardioThoraxia ships an update every 3 days, ShockRef every 4 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
CardioThoraxia versus ShockRef: the parameters behind the verdict, then further details
ParameterCardioThoraxiaShockRef
PriceFreeFree
Rating—5.0 (8 ratings) — better
Number of ratings—8 — better
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.6 — better26.0
Further details — not scored
Size7 MB15 MB
Age rating4+17+
DeveloperBender Apps, LLCRishi Kumar

In-app purchases

2 purchases

CardioThoraxia

Subscriptions2
  • AI Insight - Monthly$19.991 Month
  • AI Insight - Annual$149.991 Year
None

ShockRef

No in-app purchases

Questions

Is CardioThoraxia free?
CardioThoraxia is free to download, with in-app purchases available.
Is ShockRef free?
ShockRef is free to download, with no in-app purchases.
Do CardioThoraxia or ShockRef have ads?
Neither CardioThoraxia nor ShockRef shows ads.
Which is updated more often, CardioThoraxia or ShockRef?
CardioThoraxia ships an update every 3 days, and ShockRef every 4 days. Most recently, CardioThoraxia was updated on October 18, 2026 and ShockRef on October 24, 2026.

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