Firefox for iOS. Because it syncs well with data I have in Firefox on my other devices. And you can send it tabs from other devices through a push notification

Firefox for iOS. Because it syncs well with data I have in Firefox on my other devices. And you can send it tabs from other devices through a push notification, which is super cool. I don't care that it is built on top of Apple's WebView. Since iOS 14 I set it as my default. Works great.