This app claims to let users monitor SpO2 levels and pulse rate with your smartphone: Here's how it works | Tech News
MySign® S Pulse Oximeter | Medacx
Mobile Phone Pulse Oximeter
iPhone pulse oximeters with free app for IOS.
HbO-Smart Fingertip Pulse Oximeter Mobility Smart
Masimo Receives CE Mark for MightySat Rx Pulse Oximeter | Business Wire
What's a pulse oximeter? Should I buy one to monitor COVID at home?
Do I Still Need a Pulse Oximeter at Home to Monitor Covid-19? - The New York Times
Masimo's 'MightySat' Fingertip Pulse Oximeter Now Available From Apple - MacRumors
Smartphone-based tool MFine Pulse can monitor blood oxygen using just a finger and a flash-Health News , Firstpost
iOximeter — Safe Heart
Viatom Pulse Oximeter Approved UK Built-in Offline Storage with Free APP , Oxygen Monitor finger Adults for Heart Rate Blood Oxygen Saturation Includes Carrycase and Lanyard : Amazon.co.uk: Health & Personal Care
iOximeter | Indiegogo
Electronics | Free Full-Text | Development of a Low-Cost Pulse Oximeter for Taking Medical-Scientific Parameters to Monitor Remote Patients
Rechargeable Oxygen Monitor Finger Adults, Bluetooth Pulse Oximeter CE Approved with Heart Rate and Perfusion Index, Free App iOS & Android and OLED Display : Amazon.co.uk: Health & Personal Care