There are many great apps for working out at home, some popular options include:
Nike Training Club - provides personalized workouts and training plans
7 Minute Workout - offers quick, high-intensity workouts you can do anywhere
Peloton - offers live and on-demand classes for indoor cycling, running, strength, yoga, and more
MyFitnessPal - helps track your nutrition and exercise habits
Fitbod - creates personalized workout plans based on your fitness level and goals
Aaptiv - provides audio-based workouts with a trainer's voice to guide you
StrongLifts 5x5 - focuses on strength training with a simple 5x5 workout plan
Runtastic - tracks your running, jogging, and walking progress, and offers audio coaching
It's best to try a few and see which one works best for your fitness level and goals.