FreeStyle Libre 3 Plus: The 15 Day CGM That's Quietly Changing How People Check Blood Sugar With a Phone
FreeStyle Libre 3 Plus: The 15 Day CGM That's Quietly Changing How People Check Blood Sugar With a Phone Medically reviewed by Dr. Ayesha Kamal, MD (Endocrinology) | Written by a certified diabetes content specialist | Updated July 2026 If you have spent any time comparing a continuous glucose monitor against a traditional finger prick blood sugar meter , you already know the frustration of juggling test strips, lancets, and logbooks. The FreeStyle Libre 3 Plus was built to remove that friction entirely, and after wearing one through a full 15 day cycle, the difference in daily habits is hard to ignore. Why This Sensor Feels Different From Older CGMs Most people assume every cgm device works the same way. In practice, the Libre 3 Plus is roughly the size of two stacked coins, which is smaller than earlier Abbott sensors and noticeably smaller than many competing patches. Because it sends readings automatically every minute, it functions as a true conti...