244+ iOS apps curated and reviewed
The best oxygen saturation monitor apps on iPhone average 4.1★ across 244+ 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 | 4.6★ (423) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.5★ (466) | No | Yes | Sep 2026 | |
| 3 |  | $0.99 | 4.6★ (46) | No | Yes | Sep 2026 | |
| 4 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.6★ (31K) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.3★ (2K) | Yes | No | Sep 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 3.9★ (190) | No | Yes | Sep 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.
Monitor and record your blood oxygen saturation (SpO2) levels with this personal health tracking app. It offers detailed analytics, daily wellness guides, and data export options. Sync your health data with Apple Health for a comprehensive overview.
Easily monitor your blood oxygen levels with real-time data and clear charts. Track daily averages and wellness trends, with instant syncing from HealthKit to your Apple Watch. Your health data remains private and secure on your device.
