MakeUseOf: How to Organize Notes on Your iPhone Using Tags. “If you’re an iPhone user, chances are you’ve utilized Notes, Apple’s built-in note-taking tool. It’s a great place to create sketches, jot down ideas, or create lists that you can share with other Apple users. With the release of iOS 15, Apple’s note-taking features got a revamp to include Tags and Smart Folders. Make the most of your iPhone’s Notes app with these handy features.”