Streaks Workout - The personal trainer that you actually want to use.
Strong.app - Strenght training logger.
Daily Yoga - 50+ yoga classes, 400+ workout poses, w/ HD video and music
Hevy - Simple workout logging, insightful analytics, and a growing community of gym athletes.
cure.fit - At-home fitness app for strength, cardio, dance and yoga
Ewolo - A simple, flexible mobile-friendly workout logger & tracker