SureGrade

SureGrade is the essential, professional diagnostic app for quickly confirming an iPhone's condition before you buy, sell, or trade it. Designed exclusively for iPhones running iOS 15 and later, the app guides you through a fast check of all critical functions—including Wi-Fi, Camera, Audio, Touch, SIM, and Battery Health—then delivers two simple, definitive results: a Functional Score (as a percentage) and a Cosmetic Rating (a simple ⋆⋆⋆⋆ star system). Stop dealing with complicated reports; rely on SureGrade to get the fast, trustworthy assessment you need to accurately value any device.