The best iotemeter apps on iPhone average 3.4★ across 240+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
This application connects to a specific finger pulse oximeter device via Bluetooth to transfer and review SpO2 and heart rate data. It offers features like motion artifact resistance and perfusion index indication for intuitive health monitoring.
Monitor your vital signs like SpO2, pulse, and respiratory rate in real-time. Record, share, and view trend graphs of your measurements. Requires a Bluetooth-enabled device to function.