Comparison

Roon for Doctors vs CardioShift

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

Head to head
About

Roon for Doctors

A private digital space for verified physicians to connect, share knowledge, and discuss evolving clinical practices. It fosters collaboration across specialties and helps build trust in medical expertise.

Highlights
  • Verified physician-only community
  • Cross-specialty collaboration
  • Discussion of emerging treatments
  • Building trust in medical expertise
  • Secure and private connection
Features
Read full description

Roon is a physicians-only space to connect, share evolving knowledge, and shape the future of clinical practice. It’s your digital doctor’s lounge—built for today’s challenges, at the pace and purpose of modern care. With Roon, you can: - Connect safely: Trust that you're in a space with verified doctors only — no trolls, no bad actors. - Collaborate across specialties: Tap into a collective brain trust of doctors at the top of their fields. - Stay current: Discuss emerging treatments, research, and clinical gray areas. - Build trust: Reclaim the authority of expertise in medicine. The stakes have never been higher. Trust in science won’t be rebuilt by chance—it will be rebuilt by doctors, working together. Download Roon and join the community shaping the future of medicine.

About

CardioShift

A quick-reference medical app for cardiac surgery and critical care clinicians. It provides essential bedside information on phenotypes, guidelines, hemodynamics, and post-operative care, all accessible offline. Includes a quiz mode for knowledge testing.

Highlights
  • Bedside clinical reference
  • Offline functionality
  • Cited trials and guidelines
  • Phenotypes and staging
  • Hemodynamics explained
  • Mechanical circulatory support
  • Quiz mode for recall
Features
Read full description

CardioShift is an offline quick-reference app for clinicians working in cardiac surgery and critical care — nurses, advanced practice providers, physicians, pharmacists, and trainees. Every card is built around what you actually need at the bedside: the number, the threshold, the drug, the "why" behind it — backed by cited trials and guidelines, not just opinion. WHAT'S INSIDE • Phenotypes & Staging — HFrEF/HFmrEF/HFpEF, ACC/AHA stages, NYHA class • GDMT — the four pillars, dosing, mortality data, ICU initiation pathways • Hemodynamics — normal ranges, what each number means, Frank-Starling explained simply • Cardiogenic Shock — SCAI stages, hemodynamics, causes, medical therapy, and escalation to mechanical support • The Right Ventricle — RV MI and RV failure, hemodynamics and treatment • Mechanical Circulatory Support — IABP, Impella, ECMO, and durable LVAD nursing considerations • Cardiothoracic Surgery — CABG, valve repair/replacement, cardiopulmonary bypass, aortic aneurysm repair, the Maze procedure, and LAA clips • Cardiac Drips — vasopressors and inotropes, mechanism and nursing watch-points • Post-Op Priorities — chest tubes, tamponade recognition, pacing wires, sternal precautions, glycemic control, and perioperative medications • Post-Cardiotomy Shock — hemodynamic differential and escalation pathway • Vasoplegia & Autonomic Dysfunction — what it is, risk factors, and management • Quiz Mode — 75+ questions to build and test recall, with your streak and best score saved on your device • Search — find any medication, trial, or clinical term across the entire app instantly • Bookmarks — save any card for quick access later • References — every trial and guideline cited in one place, with direct links WORKS OFFLINE CardioShift is built to work with no internet connection — everything you need ships with the app itself. YOUR DATA STAYS ON YOUR DEVICE Quiz scores, bookmarks, and preferences are stored locally on your device only. Nothing is transmitted anywhere. See our Privacy Policy in-app for details. IMPORTANT CardioShift is an educational reference for licensed healthcare providers and trainees. It is not a substitute for clinical judgment, your institution's protocols, or professional medical advice, and is not intended for use in diagnosing or treating any individual patient in real time. Not for emergency use.

Screenshots

Roon for Doctors4 screens
CardioShift4 screens

Verdict

The call

The clearest difference is price: Roon for Doctors at Free against CardioShift's $19.99. Roon for Doctors also leads on ratings volume (31 vs 1) and update cadence (weekly vs every 2 weeks). On rating, 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

Roon for Doctors is free to download; CardioShift costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Roon for Doctors against 5.0 for CardioShift. That said, the two scores are not equally well evidenced: Roon for Doctors has 31 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Roon for Doctors ships an update weekly, CardioShift every 2 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
Roon for Doctors versus CardioShift: the parameters behind the verdict, then further details
ParameterRoon for DoctorsCardioShift
PriceFree — better$19.99
Rating5.0 (31 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings31 — better1
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size69 MB5 MB
Age rating17+17+
DeveloperCareSpace HealthPRISCILLA NUNES MEDEIROS

Customer experience

Roon for Doctors

All ratings31 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CardioShift

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Roon for Doctors

No in-app purchases

None

CardioShift

No in-app purchases

Questions

Is Roon for Doctors free?
Roon for Doctors is free to download, with no in-app purchases.
Is CardioShift free?
CardioShift costs $19.99, with no in-app purchases.
Which has better reviews, Roon for Doctors or CardioShift?
Roon for Doctors and CardioShift are both rated 5.0 out of 5 on the App Store, from 31 and 1 ratings respectively.
Do Roon for Doctors or CardioShift have ads?
Neither Roon for Doctors nor CardioShift shows ads.
Which is updated more often, Roon for Doctors or CardioShift?
Roon for Doctors ships an update weekly, and CardioShift every 2 weeks. Most recently, Roon for Doctors was updated on October 24, 2026 and CardioShift on October 9, 2026.

Other comparisons