RSTR is a fitness app designed by FBRK LLC for iPhone users. This free app falls under the Lifestyle category, specifically focusing on Health & Fitness. RSTR offers 30-minute HIIT classes to help users transform their bodies and mindsets. Whether you prefer in-studio sessions or on-demand workouts, RSTR provides tailored exercises suitable for all fitness levels.

With RSTR, users can easily access and plan class schedules, sign up for sessions, explore ongoing promotions, and even shop for the latest merchandise drops. The app features classes like Fight 30, Strength 30, and Endurance 30, ensuring a diverse range of workout options to cater to different fitness goals.