血圧レコーダー is a free iPhone application developed by Kuniaki Ono in the Education & Reference category, specifically focusing on Medicine. The app boasts a simple and user-friendly interface, allowing multiple measurements per day without the need for an account. Users can record measurement times, aggregate high blood pressure frequency, compare results between two periods with graphs, and export graphs and lists as PDFs. Additionally, users can record their weight, customize tags, and align with the 2019 hypertension treatment guidelines, all free of charge.

Ideal for those who prefer managing blood pressure digitally over handwritten notes, the app caters to individuals seeking quick result recording, frequent measurements throughout the day, insights into blood pressure trends based on different situations, visual trend analysis through graphs, and comparisons of blood pressure before and after lifestyle changes.