Blood Pressure Diary by MedM is a free iPhone app that is essential for those who need to keep track of their blood pressure on a regular basis. It is the world leader in the number of connected Bluetooth monitors, making it easy to pair and transfer data to offline or in-cloud storage. The app can be used with or without registration by multiple users and supports thresholds, data export/import from Apple Health, and manual data entry from legacy meters.

With a clean interface designed in accordance with medical guidelines, MedM BP provides robust historical and trend analysis tools. Users can discover patterns in their blood pressure readings and adjust their behavior accordingly. The app also allows users to set thresholds and receive notifications (push or email) if a reading surpasses the set value.

Registered users have the option to integrate with MedM Health Cloud, which securely stores, backs up, and exports blood pressure history. It also enables users to share their data with family, caregivers, and physicians. The app is compatible with a wide range of FDA-approved blood pressure monitor brands, and a full list of supported devices can be found on the developer's website.

Disclaimer: It is important to always seek a doctor's advice in addition to using this app and before making any medical decisions.