242+ iOS apps curated and reviewed
If you already know Blood Oxygen | O2 Monitor app+, this is the deeper bench. 242+ free oxygen monitor level apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (423) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.3★ (2K) | Yes | No | Sep 2026 | |
| 3 |  | Free | 3.9★ (190) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.5★ (466) | No | Yes | Sep 2026 | |
| 5 |  | Free | 4.6★ (31K) | No | Yes | Sep 2026 | |
| 6 |  | $0.99 | 4.6★ (46) | No | Yes | Sep 2026 | |
| 7 |  | Free | 3.9★ (7) | Yes | Yes | Aug 2026 | |
| 8 |  | Free | 4.1★ (474) | Yes | Yes | Aug 2026 |
Track your blood oxygen saturation (SpO2) and pulse rate daily. Log readings from your oximeter, monitor your normal range, and stay informed about your health. Features include a log diary, multi-profile support, and Apple Health synchronization.
Easily record your daily pulse and blood oxygen levels. Track your health statistics over time with simple data entry and clear visualizations. Requires an external device like a pulse oximeter or smartwatch for measurements.
Track your blood oxygen saturation levels and monitor changes over time. Log additional symptoms to gain a more comprehensive understanding of your condition. Supports multiple user profiles and synchronizes with HealthKit for pulse and oxygen data.
