Unlimited memory and users with the free app – The Omron gold wrist monitor stores 200 total blood pressure readings for 2 users (100 per user, most of any Omron wrist blood pressure monitor). Memory and users are unlimited with the Omron connect free app which works with amazon alexa-enabled devices (on select IOS & android devices).

https://www.amazon.com/Platinum-Pressure-Bluetooth-Storesup-Readings/dp/B07RX8WQ4K