Are crepe makers worth it?

Crepe makers are worth buying if you plan to make crepes and pancakes multiple times a week. Though crepe makers aren't overly expensive it is another appliance to store. If you only make crepes once or twice a month it is not worth buying.

What else can you cook on a crepe maker?

Anything you can cook on a griddle pan, you can also cook on a commercial crepe maker. You can sear meats, cook fish and sauté vegetables. You can prepare smaller or larger pieces of meat, fish, sea food, duck, skewers and omelettes, etc.