There are plenty of convenient egg cookers on the market. Most of them have one or two modes. The Hyvance Smart Fried Egg Cooker has 6 modes, so you can use it to make sunny side up, over easy, and over well eggs. You can put this cooker to use with the press of a button.
This smart fried egg cooker has a footprint of 30 x 30cm. It makes a round fried egg without an egg ring.