# RTB2 vs Pulmify

The clearest difference is in-app purchases: Pulmify at none against RTB2's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RTB2 sells 1 in-app purchase, starting at $2.99 per month. Pulmify asks for nothing beyond the download.

## The numbers

| Metric | RTB2 | Pulmify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rtb2-respiratory-reference/id6757658847/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Freemium | — |
| Size | 46 MB | 186 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Bbytetechworks LLC](https://appshunter.io/developer/1844731958) | [Pulmify](https://appshunter.io/developer/1895941102) |

## What reviewers say

### RTB2

[App page](https://appshunter.io/ios/app/rtb2-respiratory-reference/id6757658847)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RTB2 Pro | $2.99 | per month |


### Pulmify

[App page](https://appshunter.io/ios/app/pulmify/id6764864670)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RTB2 free?

RTB2 is free to download, with in-app purchases available.

### Is Pulmify free?

Pulmify is free to download, with no in-app purchases.

### Do RTB2 or Pulmify have ads?

Neither RTB2 nor Pulmify shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*