184+ iOS apps curated and reviewed
Out of 184+ oxygen calculation tool apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $0.99 | 4.8★ (152) | No | No | Sep 2026 | |
| 2 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 3 |  | Free | 4.5★ (8) | No | No | May 2026 | |
| 4 |  | Free | 4.8★ (8) | No | No | Oct 2026 | |
| 5 |  | Free | 4.6★ (31K) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.1★ (474) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.3★ (2K) | Yes | No | Oct 2026 | |
| 8 |  | Free | 4.5★ (547) | No | Yes | Oct 2026 |
This app helps medical transport professionals quickly calculate usable oxygen supply based on cylinder pressure and flow rate. It also includes a drip rate calculator for medication math and a reference section with conversion factors. Features a countdown timer and dark mode compatibility.
This application helps medical professionals and supply chain managers calculate total oxygen demand for various medical devices. It supports different oxygen sources like cylinders, liquid oxygen, and concentrators, aiding in efficient supply management for hospitals and individual users.
Calculates remaining oxygen in a cylinder for ambulatory users. Input device, liter flow, and cylinder size for precise remaining hours and minutes. Provides peace of mind for oxygen users on the go.
