A rapid, offline reference tool for respiratory therapists and critical care clinicians. It offers numerous calculators, a guide to ventilator modes, and an AI-powered blood gas interpreter to aid in patient assessment and management.




250+ iOS apps curated and reviewed
The best respiratory apps on iPhone average 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (8) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.5★ (556) | No | Yes | Sep 2026 | ||
| 3 | Free | 4.0★ (4) | Yes | Yes | Aug 2026 | ||
| 4 | Free | — | No | Yes | Aug 2026 | ||
| 5 | Free | 4.7★ (118) | No | Yes | Sep 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | 1.0★ (1) | No | Yes | Aug 2026 | ||
| 8 | Free | 4.6★ (55) | Yes | Yes | Jul 2026 |




A rapid, offline reference tool for respiratory therapists and critical care clinicians. It offers numerous calculators, a guide to ventilator modes, and an AI-powered blood gas interpreter to aid in patient assessment and management.






This app provides a fast and accurate way for medical professionals to measure heart and respiratory rates. It features a simple tap interface, instant calculations, and reference charts for all age groups. Designed for efficiency in clinical settings, it keeps users focused on their patients.






This app provides a comprehensive, procedure-based reference for respiratory therapy information. It includes illustrations, forms, and algorithms to aid in study and practice, with content organized around protocols and new pulmonary disease tabs. An in-app purchase unlocks all content, and a subscription offers continuous updates.