Comparison

Respiratory Diseases vs RTB2

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

Head to head
About

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.

Highlights
  • Animated explanations
  • Respiratory system anatomy
  • Disease immunopathology
  • Causes and symptoms
  • Diagnosis and complications
  • Treatment therapies and procedures
Features
Read full description

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.

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

Respiratory Diseases4 screens
RTB24 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Respiratory Diseases versus RTB2: the parameters behind the verdict, then further details
ParameterRespiratory DiseasesRTB2
PriceFreeFree
Rating1.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings12 — better
Update frequencyEvery 24 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.3 — better15.1
Further details — not scored
Size43 MB46 MB
Age rating12+4+
DeveloperFocus MedicaBbytetechworks LLC

Customer experience

Respiratory Diseases

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

RTB2

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

In-app purchases

5 purchases

Respiratory Diseases

One-time5
  • Allergic rhinitis$7.99
  • Chronic Asthma$7.99
  • Chronic Obstructive Pulmonary Disease (COPD)$7.99
Show 2 more
  • Upper Respiratory Tract Infections (URTI)$7.99
  • Respiratory Diseases - Buy all$19.99
1 purchases

RTB2

Subscriptions1
  • RTB2 Pro$2.991 Month

Questions

Is Respiratory Diseases free?
Respiratory Diseases is free to download, with in-app purchases available.
Is RTB2 free?
RTB2 is free to download, with in-app purchases available.
Which has better reviews, Respiratory Diseases or RTB2?
RTB2 is rated higher. Respiratory Diseases averages 1.0 out of 5 from 1 ratings, while RTB2 averages 5.0 from 2 ratings.
Do Respiratory Diseases or RTB2 have ads?
Neither Respiratory Diseases nor RTB2 shows ads.
Which is updated more often, Respiratory Diseases or RTB2?
Respiratory Diseases ships an update every 24 months, and RTB2 every 5 days. Most recently, Respiratory Diseases was updated on September 6, 2026 and RTB2 on June 17, 2026.

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