Comparison

RTB2 vs Respiratory Tactician

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

Head to head
About

RTB2

This medical reference app provides respiratory therapists and students with essential clinical tools. It features ventilator mode guides, therapy calculators, and oxygen guidance in a clean, organized format for quick access in critical care settings.

Highlights
  • Ventilator mode reference guides
  • Respiratory therapy clinical calculators
  • Oxygen device guidance
  • Structured respiratory care information
  • Fast clinical review format
  • Advanced calculators (Pro)
Features
Read full description

RTβ₂ (RTB2) is a Respiratory Therapy reference and clinical toolset designed for Respiratory Therapists, respiratory therapy students, and healthcare professionals working in ICU and critical care environments. The app provides ventilator mode references, respiratory therapy calculators, oxygen therapy guidance, and structured respiratory care information in a clean, organized format designed for fast clinical review. The app provides organized access to commonly used Respiratory Therapy references, calculators, and ventilator information in a clean, structured format designed for quick navigation. RTB2 is built to help respiratory professionals review respiratory care concepts, ventilator modes, oxygen therapy guidance, and clinical calculations in one centralized resource. CORE FEATURES • Ventilator mode reference guides • Respiratory therapy clinical calculators • Oxygen device guidance and oxygen therapy reference • Organized respiratory care reference material • Clean layouts designed for fast navigation in clinical environments RTB2 PRO (Subscription) RTB2 Pro unlocks the full RTB2 toolset including advanced calculators, expanded Respiratory Therapy references, and ongoing clinical content updates. Pro features include: • Expanded ventilator mode explanations • Advanced respiratory therapy calculators • Expanded respiratory care reference material • Continuous updates and additional features as the platform evolves Designed for: • Respiratory Therapists • ICU and critical care clinicians • Healthcare professionals working with respiratory care • Students studying Respiratory Therapy RTB2 is intended for educational and informational purposes only. The content provided in this application is not intended to replace institutional protocols, physician orders, professional training, or clinical judgment. SUBSCRIPTION DETAILS RTB2 Pro is available as a monthly auto-renewable subscription. Payment will be 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 billing period. You can manage or cancel your subscription in your Apple ID account settings at any time. Privacy Policy https://rtb2.com/privacy Terms of Service https://rtb2.com/terms

About

Respiratory Tactician

A rapid, offline reference tool for respiratory therapists and critical care clinicians. It offers numerous calculators, a guide to ventilator modes, and an AI-powered blood gas interpreter to aid in patient assessment and management.

Highlights
  • Extensive medical calculators
  • Ventilator modes reference
  • AI-powered ABG interpreter
  • Offline functionality
  • Favorites and history tracking
  • Unit conversion
Features
Read full description

Respiratory Tactician is a field manual built for respiratory therapists, students, and clinicians who need fast, focused respiratory calculations and references. CALCULATORS AND REFERENCES Use practical tools for oxygenation, ventilation, ABGs, hemodynamics, pediatric and neonatal care, specialty gases, extubation readiness, ventilator alarms, and more. Core calculators and reference content work on device and remain free. OPERATOR — OPTIONAL SUBSCRIPTION Unlock connected AI tools for respiratory-scoped case reasoning, Ask the Tactician Q&A, case simulation and TMC-style practice, photo and waveform interpretation, and Smart Scan chart capture. Operator features require an internet connection and are intended for education and workflow support. BUILT FOR THE BEDSIDE • Fast calculator search and favorites • Session history and related calculators • Respiratory medication reference • Clear formulas and source notes • iPhone and iPad support from iOS 17 Respiratory Tactician does not replace clinical judgment, institutional policy, or professional medical advice. Verify all inputs and outputs before clinical use. Every calculator stays free. Operator is optional and renews automatically unless canceled in App Store subscription settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RTB24 screens
Respiratory Tactician4 screens

Verdict

The call

The clearest difference is monetization model: Respiratory Tactician at free against RTB2's freemium. Respiratory Tactician also leads on ratings volume (9 vs 2). RTB2's advantage is update cadence (every 5 days vs every 2 weeks) and iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ads 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. RTB2 sells 1 in-app purchase, starting at $2.99 per month and Respiratory Tactician sells 2 in-app purchases, starting at $4.99 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 RTB2 against 5.0 for Respiratory Tactician. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

RTB2 ships an update every 5 days, Respiratory Tactician every 2 weeks. Both last shipped on October 31, 2026.

Scorecard4 real differences · 6 level
RTB2 versus Respiratory Tactician: the parameters behind the verdict, then further details
ParameterRTB2Respiratory Tactician
PriceFreeFree
Rating5.0 (2 ratings)5.0 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings29 — better
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size46 MB26 MB
Age rating4+12+
DeveloperBbytetechworks LLCJESUS CALATA VARGAS

Customer experience

RTB2

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Respiratory Tactician

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

RTB2

Subscriptions1
  • RTB2 Pro$2.991 Month
2 purchases

Respiratory Tactician

Subscriptions2
  • Operator Monthly$4.991 Month
  • Operator Yearly7 Days trial$39.991 Year

Questions

Is RTB2 free?
RTB2 is free to download, with in-app purchases available.
Is Respiratory Tactician free?
Respiratory Tactician is free to download, with in-app purchases available.
Which has better reviews, RTB2 or Respiratory Tactician?
RTB2 and Respiratory Tactician are both rated 5.0 out of 5 on the App Store, from 2 and 9 ratings respectively.
Do RTB2 or Respiratory Tactician have ads?
Neither RTB2 nor Respiratory Tactician shows ads.
Which is updated more often, RTB2 or Respiratory Tactician?
RTB2 ships an update every 5 days, and Respiratory Tactician every 2 weeks. Most recently, RTB2 was updated on October 31, 2026 and Respiratory Tactician on October 31, 2026.

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