Whether or not you need a fitness tracker for the gym depends on your personal preferences and goals. Fitness trackers can be valuable tools for tracking and monitoring your workouts, providing real-time data and insights to help you optimize your exercise routine. They can help you track metrics such as heart rate, steps taken, and calories burned, and even provide workout suggestions and reminders. If you enjoy tracking your progress, staying motivated, and having access to detailed workout data, a fitness tracker can be a beneficial addition to your gym routine.