A calorie counter is someone or something that keeps track of the amount of calories consumed and burned in a day. If you're looking for synonyms for the term, you may want to use words like "calorie tracker," "calorie watcher," "calorie calculator," "calorie monitor," or "calorie logger." Each synonym essentially means the same thing, and can refer to a person who keeps track of their food intake, or a device or app that calculates the number of calories consumed during meals or workouts. Whatever term you choose, the important thing is to stay vigilant about your calorie intake to maintain a healthy diet and lifestyle.