The iHealth View blood pressure monitor is designed for personal use.
Use by several users is possible but a bit restrictive. Measurements must be synchronised immediately to the account of each user to avoid synchronising another user's data on your account.
*credit to Sylvain of iHealth Labs EU
https://helpcenter.ihealthlabs.eu/hc/en-gb/articles/115005936025-iHealth-View-BP7S-Can-several-users-blood-pressure-be-monitored-with-the-iHealth-View-