Question: is ios 12 better than ios 11 for iphone 6?
Answer: The answer is definitely yes. iOS 12 is a lot better than iOS 11, and the following speed test proves it. YouTube channel EverythingApplePro, which performs such speed tests on a regular basis, compared iOS 12 against iOS 11.4. 1 on all the iPhones that support the new iOS release — that's iPhone 5s to iPhone X.