Comparison

Ventilator Guide vs RTB2

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

Head to head
About

Ventilator Guide

Features
Read full description

Learn how to use and troubleshoot your at-home ventilator. Step-by-step instructions guide you through setup, operation, and troubleshooting. This app is for educational purposes only and is NOT intended for medical advice, diagnosis or treatment. Always contact your physician or other qualified health provider with any questions or concerns you may have regarding the patient's medical condition.

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

Screenshots

Ventilator Guide4 screens
RTB24 screens

Verdict

The call

The clearest difference is in-app purchases: Ventilator Guide at none against RTB2's 1. Ventilator Guide also leads on iOS requirement (11.0 vs 15.1). RTB2's advantage is update cadence (every 5 days vs every 30 months). On price, 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. RTB2 sells 1 in-app purchase, starting at $2.99 per month. Ventilator Guide asks for nothing beyond the download.

UpkeepUpdate frequency

Ventilator Guide ships an update every 30 months, RTB2 every 5 days. The most recent releases landed on September 14, 2026 and June 17, 2026 respectively.

Scorecard3 real differences · 7 level
Ventilator Guide versus RTB2: the parameters behind the verdict, then further details
ParameterVentilator GuideRTB2
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 30 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size116 MB46 MB
Age rating12+4+
DeveloperOSF Healthcare SystemBbytetechworks LLC

In-app purchases

None

Ventilator Guide

No in-app purchases

1 purchases

RTB2

Subscriptions1
  • RTB2 Pro$2.991 Month

Questions

Is Ventilator Guide free?
Ventilator Guide is free to download, with no in-app purchases.
Is RTB2 free?
RTB2 is free to download, with in-app purchases available.
Do Ventilator Guide or RTB2 have ads?
Neither Ventilator Guide nor RTB2 shows ads.
Which is updated more often, Ventilator Guide or RTB2?
Ventilator Guide ships an update every 30 months, and RTB2 every 5 days. Most recently, Ventilator Guide was updated on September 14, 2026 and RTB2 on June 17, 2026.

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