Comparison

TC3Sim vs Rapid Vent Calculator

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

Head to head
About

TC3Sim

This medical simulation game reinforces tactical combat casualty care training through story-driven scenarios. Players assess casualties, perform triage, and administer treatments in various combat environments, learning essential procedures for military medical personnel.

Highlights
  • Tactical Combat Casualty Care training
  • Story-driven scenarios
  • Casualty assessment
  • Triage and treatment
  • Multiple military branches
  • Combat environments
Features
Read full description

TC3Sim is a serious game which teaches and reinforces Tactical Combat Casualty Care training. It uses story-driven scenarios to evaluate a learner's knowledge of the tactics, techniques, and procedures essential for a Combat Medic (68W) or Combat Life Saver (CLS). You can play as U.S. Army, Navy, Marines, and Air Force personnel in various combat environments. You must complete key tasks to complete specific missions, including the ability to assess casualties, perform triage, and provide treatments to fellow soldiers.

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.

Screenshots

TC3Sim4 screens
Rapid Vent Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: Rapid Vent Calculator at 100% against TC3Sim's 0%. Rapid Vent Calculator also leads on rating (5.0 vs 4.0) and update cadence (every 4 months vs every 20 months). On price, ads, in-app purchases and monetization model 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

Rapid Vent Calculator holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Rapid Vent Calculator has 47 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of TC3Sim's written reviews are positive against 100% of Rapid Vent Calculator's.

UpkeepUpdate frequency

TC3Sim ships an update every 20 months, Rapid Vent Calculator every 4 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
TC3Sim versus Rapid Vent Calculator: the parameters behind the verdict, then further details
ParameterTC3SimRapid Vent Calculator
PriceFreeFree
Rating4.0 (4 ratings)5.0 (47 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings447 — better
Update frequencyEvery 20 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size613 MB48 MB
Age rating17+17+
DeveloperEngineering & Computer Simulations IncJENCO LLC

Customer experience

TC3Sim

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Rapid Vent Calculator

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

In-app purchases

None

TC3Sim

No in-app purchases

None

Rapid Vent Calculator

No in-app purchases

Questions

Is TC3Sim free?
TC3Sim is free to download, with no in-app purchases.
Is Rapid Vent Calculator free?
Rapid Vent Calculator is free to download, with no in-app purchases.
Which has better reviews, TC3Sim or Rapid Vent Calculator?
Rapid Vent Calculator is rated higher. TC3Sim averages 4.0 out of 5 from 4 ratings, while Rapid Vent Calculator averages 5.0 from 47 ratings.
Do TC3Sim or Rapid Vent Calculator have ads?
Neither TC3Sim nor Rapid Vent Calculator shows ads.
Which is updated more often, TC3Sim or Rapid Vent Calculator?
TC3Sim ships an update every 20 months, and Rapid Vent Calculator every 4 months. Most recently, TC3Sim was updated on October 24, 2026 and Rapid Vent Calculator on October 7, 2026.

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