Respiratory Diseases vs RTB2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Respiratory Diseases
Explore animated explanations of respiratory diseases, covering anatomy, function, causes, symptoms, diagnosis, and treatment. Understand the immunopathology and therapies for various conditions affecting the respiratory system.
- Animated explanations
- Respiratory system anatomy
- Disease immunopathology
- Causes and symptoms
- Diagnosis and complications
- Treatment therapies and procedures
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With this application, you can download animation titles on respiratory diseases that explain the anatomy and functioning of respiratory system, immunopathology of the disease, its causes, signs, symptoms, diagnosis, complications, and treatment - therapies, procedures or techniques.
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.
- Ventilator mode reference guides
- Respiratory therapy clinical calculators
- Oxygen device guidance
- Structured respiratory care information
- Fast clinical review format
- Advanced calculators (Pro)
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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
Verdict
The clearest difference is review sentiment: RTB2 at 100% against Respiratory Diseases's 0%. RTB2 also leads on rating (5.0 vs 1.0) and update cadence (every 5 days vs every 24 months). Respiratory Diseases's advantage is iOS requirement (9.3 vs 15.1). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Respiratory Diseases sells 5 one-off in-app purchases and RTB2 sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
RTB2 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 0% of Respiratory Diseases's written reviews are positive against 100% of RTB2's.
Respiratory Diseases ships an update every 24 months, RTB2 every 5 days. The most recent releases landed on September 6, 2026 and June 17, 2026 respectively.
| Parameter | Respiratory Diseases | RTB2 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 24 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.3 — better | 15.1 |
| Further details — not scored | ||
| Size | 43 MB | 46 MB |
| Age rating | 12+ | 4+ |
| Developer | Focus Medica | Bbytetechworks LLC |
Customer experience
Respiratory Diseases
RTB2
In-app purchases
Respiratory Diseases
- Allergic rhinitis$7.99
- Chronic Asthma$7.99
- Chronic Obstructive Pulmonary Disease (COPD)$7.99
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- Upper Respiratory Tract Infections (URTI)$7.99
- Respiratory Diseases - Buy all$19.99
RTB2
- RTB2 Pro$2.991 Month





