---
title: "RTB2 – Respiratory Reference - Reviews, Revenue and Downloads in United States | Apple App Store"
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 env"
---

# RTB2 – Respiratory Reference — United States
> Respiratory Therapy Tools

![RTB2 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/e9/d7/52/e9d7528e-3217-8756-f134-1d5705949af2/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png)

**Developer:** [Bbytetechworks](https://apptail.io/developer/bbytetechworks-SztTHb)
**Category:** Medical
**Rating:** 5.0/5 (2 ratings)
**Price:** Free
**Bundle ID:** com.rtb2.app
**Store:** Apple App Store
**Country:** United States
**Version:** 3.0.6 (released 2026-04-23)
**Original Release:** 2026-03-07
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6757658847)
**AppTail Page:** [https://apptail.io/app/rtb2-respiratory-reference-EvNy/united-states](https://apptail.io/app/rtb2-respiratory-reference-EvNy/united-states)

## RTB2 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


Terms of Service


## RTB2 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f8/63/38/f8633897-ebc0-e5aa-e8f7-28f7f796259d/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.04.33.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/00/b8/6f/00b86f98-e85a-8a7d-fbdd-d7ad5c63f11b/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.04.48.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ad/39/f6/ad39f660-3c23-44c2-3284-6ff3510d59e2/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.04.43.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/41/d5/af/41d5afb0-5c7c-168b-309d-136a190fa566/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.04.39.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/78/0c/b8/780cb879-84ae-8ffe-9a09-49fb814b6173/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.05.38.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/1b/01/ac/1b01ac4f-ceef-acac-1694-2057fd03f1df/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.05.26.png/1242x2688.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c1/d0/8e/c1d08e27-6247-ccf1-58f1-cf28152e4181/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.05.06.png/1242x2688.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8d/9e/d5/8d9ed544-cdb7-76a5-16f5-dadd63169f75/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.04.56.png/1242x2688.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8a/59/f6/8a59f677-0f87-edf6-0b0b-7832b6d178ec/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.06.49.png/1242x2688.png)
- [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3b/2d/e8/3b2de8ac-7f6f-18c6-059a-9fe75ccf9487/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2026-02-20_at_14.08.19.png/1242x2688.png)

## RTB2 Rating Breakdown in United States
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)






## RTB2 Available In
- [United States](https://apptail.io/app/rtb2-respiratory-reference-EvNy/united-states)
- [China](https://apptail.io/app/rtb2-respiratory-reference-EvNy/china)
- [Indonesia](https://apptail.io/app/rtb2-respiratory-reference-EvNy/indonesia)
- [Nepal](https://apptail.io/app/rtb2-respiratory-reference-EvNy/nepal)
- [Philippines](https://apptail.io/app/rtb2-respiratory-reference-EvNy/philippines)
- [Saudi Arabia](https://apptail.io/app/rtb2-respiratory-reference-EvNy/saudi-arabia)

---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*