# RTB2 – Respiratory Reference — Respiratory Therapy Tools > Respiratory therapy reference and clinical toolset for healthcare professionals. (iPhone/iPad app by Bbytetechworks LLC.) - Source: https://appshunter.io/ios/app/rtb2-respiratory-reference/id6757658847 (this page in markdown: same URL + `.md`) - Developer: [Bbytetechworks LLC](https://appshunter.io/developer/1844731958) - Category: Medical, Education - Price: Free with in-app purchases (on sale, was $2.99) - Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 46 MB - Languages: English - Released: 2026-03-07 - Data updated: 2026-06-17 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/rtb2-respiratory-reference/id6757658847/reviews.md ## What is RTB2? 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 ## Key features - Ventilator mode reference guides - Respiratory therapy clinical calculators - Oxygen device guidance - Structured respiratory care information - Fast clinical review format - Advanced calculators (Pro) ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | RTB2 Pro | $2.99 | per month | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/rtb2-respiratory-reference/id6757658847/reviews.md ### 5/5 — 10/10 *2026-05-12* Everything is easy to find when you need something quick. Expecially with the calculations. ### 5/5 — Great Resource *2026-03-12* This is a great app for RT’s looking for quick access to vent modes, calculators, and clinical reference tools. Everything is organized well and easy to use, which makes it helpful when you need to double check something quickly. It’s clear this was built by someone who understands the workflow of RTs and what information is actually useful shift to shift. ## Frequently asked questions about RTB2 ### What is RTB2? RTB2 is a reference and clinical toolset designed for respiratory therapists, students, and healthcare professionals. It offers ventilator mode references, calculators, and oxygen therapy guidance for critical care environments. ### What are the core features of RTB2? Core features include ventilator mode reference guides, respiratory therapy clinical calculators, oxygen device guidance, and organized respiratory care reference material, all presented in clean layouts for fast navigation. ### What does RTB2 Pro offer? RTB2 Pro unlocks advanced calculators, expanded respiratory therapy references, and continuous clinical content updates. It provides more in-depth explanations and additional features as the platform evolves. ### How is RTB2 Pro accessed? RTB2 Pro is available as a monthly auto-renewable subscription. Payment is charged to your Apple ID, and subscriptions can be managed or canceled in your account settings at least 24 hours before the current billing period ends. ### Is RTB2 suitable for all healthcare professionals? RTB2 is specifically designed for those working in respiratory care, including Respiratory Therapists, ICU and critical care clinicians, and students. It is intended for educational and informational purposes. ### Does RTB2 replace professional judgment? No, RTB2 is intended for educational and informational purposes only. The content provided is not meant to replace institutional protocols, physician orders, professional training, or clinical judgment. ### What devices does RTB2 support? RTB2 supports iPhones and iPods. It is designed for use on Apple mobile devices. ### How often is RTB2 updated? The latest version is 3.0.6, last updated on April 23, 2026. RTB2 Pro subscribers receive continuous updates and additional features as the platform evolves. ## Version history (last 4 releases) ### 3.0.6 — 2026-04-23 RTB2 Phase 2 update adds Credential Tracker fixes, Chest Tube Management tools, CEU Finder, expanded medication references, updated TrachFit sizing tools, performance improvements, and UI refinements. ### 3.0.3 — 2026-03-14 • Fixed navigation structure improvements for better stability • Improved search indexing for respiratory references • Minor UI refinements across calculators and clinical reference pages • Performance improvements and bug fixes ### 3.0.2 — 2026-03-12 • Added bronchoscopy educational reference with procedure overviews • Improved bronchoscopy layout with expandable sections for easier navigation • Added optional “Show Calculation” toggle to calculators for equation transparency • Improved organization and readability across Respiratory Therapy references • Minor UI improvements and performance optimizations ### 1.0 — 2026-03-07 No release notes. ## More apps by Bbytetechworks LLC - [Burn Bytes](https://appshunter.io/ios/app/burn-bytes/id6753896046) All apps by Bbytetechworks LLC: https://appshunter.io/developer/1844731958 ## Related topics [bbyte techworks llc](https://appshunter.io/ios/topics/bbyte-techworks-llc) · [rtb2](https://appshunter.io/ios/topics/rtb2) · [respiratory therapy tools](https://appshunter.io/ios/topics/respiratory-therapy-tools) · [respiratory therapy](https://appshunter.io/ios/topics/respiratory-therapy) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-17.*