Apple iPhone Duo vs. iPhone 18 Pro: First-hand impressions, how to decide

Planning to upgrade your iPhone this year? If you want the most feature-packed device, the choice is usually easy: You'd buy the latest iPhone Pro Max, and this time around, that's the very impressive iPhone 18 Pro Max.However, Apple decided to throw a curveball at iOS users this year with the release of its first-ever Apple foldable, the iPhone Duo.Now, iPhone users have to make a difficult choice. I know because I'm one of them. Before the September iPhone event, I assumed I'd go with the new