The CrossFlow Yoga app CROSSes (yoga) FLOW with other modalities to enhance your overall well-being, feel your very best in body and mind, and maximize your time. Heidi Kristoffer has been fusing yoga with other disciplines for over a decade in fitness magazines, NYC classes, workshops around the world, and with her private celebrity clients. Now, she is bringing her methods into your home! The CrossFlow app has Yoga-based routines for every mood, energy level, and need. There are routines suitable for: every level of fitness, all time constraints, and every stage of life.