Iphone 7 plus is far better than iphone 7. because it has some different features than its competitors. But I have one problem in it that 3.5mm jack which is not present in it. there are some points for you.
1-Look wise it is different from its siblings. Different apple phone.
2-Audio quality is good but not loud.
3-siri make phone easy to use by everyone.
4- rear Dual camera make it special. Display quality is flawless, fast processing, water proof that is a new feature in apple iphone 7 plus.
5-apple name is enough for reliability and durability.
6- product is slightly over price.
conclusion- If you can afford it then it is the best phone ever made by Apple.