Comparison

Rapid Vent Calculator vs ShockRef

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

Head to head
About

Rapid Vent Calculator

This medical app assists healthcare professionals in calculating essential ventilator settings and medication dosages for critical care. It provides rapid, accurate results for paramedics, respiratory therapists, nurses, and doctors, streamlining patient management.

Highlights
  • Effortless ventilator settings calculation
  • Rapid results for quick decision-making
  • RSI medication dosage assistant
  • User-friendly interface for medical professionals
  • Accurate patient parameter input
Features
Read full description

Rapid Vent Calculator is a clinician-focused field guide and reference tool for adult ventilator setting calculations, RSI medication dosing, and quick respiratory care references. Designed for paramedics, EMS clinicians, respiratory therapists, nurses, physicians, transport teams, ER teams, ICU clinicians, and hospital-based critical care providers, Rapid Vent Calculator helps organize common ventilator and airway calculations into a fast, practical workflow. Enter patient sex, height, weight, selected mL/kg, and metabolic acidosis status to generate adult starting-point ventilator values including respiratory rate, tidal volume, and minute ventilation. Calculations use ideal body weight and lung-protective ventilation principles for adult ventilator management. Rapid Vent Calculator also includes RSI medication dosing estimates, normal ventilator values, ABG/VBG blood gas reference charts, RASS reference guidance, dark and light mode, recent session resume, and shareable result snapshots. Whether used by EMS in the field, paramedics during transport, nurses and respiratory therapists in the ER, physicians in the hospital, or ICU clinicians managing ventilators, Rapid Vent Calculator is built to keep key adult ventilation references organized and easy to access. Key features: • Adult ventilator setting calculator • Ideal body weight-based tidal volume estimates • Lung-protective mL/kg selector • Respiratory rate, tidal volume, and minute ventilation results • Metabolic acidosis ventilation mode • RSI medication dosing estimates • Normal ventilator values reference • ABG/VBG blood gas reference charts • RASS reference guide • Shareable results snapshot • Dark and light mode • Clinician-focused workflow for EMS, transport, ER, ICU, hospital, and respiratory care use Rapid Vent Calculator is intended as a clinical reference and calculation aid for licensed healthcare professionals caring for adult patients. It is not a protocol, diagnosis tool, treatment directive, or substitute for clinical judgment. All values are starting-point estimates and must be verified against the patient’s condition, local protocols, institutional policy, and clinician scope of practice.

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
Read full description

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

Rapid Vent Calculator4 screens
ShockRef4 screens

Verdict

The call

The clearest difference is update cadence: ShockRef at every 4 days against Rapid Vent Calculator's every 4 months. Rapid Vent Calculator's advantage is ratings volume (47 vs 3) and iOS requirement (13.0 vs 26.0). 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. 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 Rapid Vent Calculator against 5.0 for ShockRef. That said, the two scores are not equally well evidenced: Rapid Vent Calculator has 47 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Rapid Vent Calculator ships an update every 4 months, ShockRef every 4 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
Rapid Vent Calculator versus ShockRef: the parameters behind the verdict, then further details
ParameterRapid Vent CalculatorShockRef
PriceFreeFree
Rating5.0 (47 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews—
Number of ratings47 — better3
Update frequencyEvery 4 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.0
Further details — not scored
Size48 MB15 MB
Age rating17+17+
DeveloperJENCO LLCRishi Kumar

Customer experience

Rapid Vent Calculator

All ratings47 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ShockRef

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Rapid Vent Calculator

No in-app purchases

None

ShockRef

No in-app purchases

Questions

Is Rapid Vent Calculator free?
Rapid Vent Calculator is free to download, with no in-app purchases.
Is ShockRef free?
ShockRef is free to download, with no in-app purchases.
Which has better reviews, Rapid Vent Calculator or ShockRef?
Rapid Vent Calculator and ShockRef are both rated 5.0 out of 5 on the App Store, from 47 and 3 ratings respectively.
Do Rapid Vent Calculator or ShockRef have ads?
Neither Rapid Vent Calculator nor ShockRef shows ads.
Which is updated more often, Rapid Vent Calculator or ShockRef?
Rapid Vent Calculator ships an update every 4 months, and ShockRef every 4 days. Most recently, Rapid Vent Calculator was updated on October 7, 2026 and ShockRef on October 10, 2026.

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