If you have a subscription, you will be able to access the Premium Features:

• HeadCoach™
• SwimStraight™
• In-goggle workouts
• Training Plans 
• Workout Builder
• Script - Generative Workouts
• TrainingPeaks & TriDot Workout Import

Without a subscription, you will still have access to these core features *:

• Real-time activity tracking
• Pool, open water and swim spa
• In-app swim analysis

*Subscription activation required, and after the free trial

The subscription was previously called Membership. Subscription/membership allow access to all Premium Features.