Absolutely not! All five apps offer excellent bodyweight workouts that require no equipment at all. Nike Training Club has the largest library of equipment-free workouts, while the others all have beginner programs designed specifically for bodyweight training. You can always add equipment later as you progress.

Listen to your body, but generally 4-6 weeks of consistent beginner workouts provides a solid foundation. Start with 2-3 sessions per week, and when the beginner workouts feel easy, you're ready to progress. Never push through pain - mild muscle soreness is normal, but sharp pain means you need more recovery time.

Yes! Many people use a primary app for structured workouts and supplement with others for variety. For example, use Peloton for strength training and Nike Training Club for yoga and stretching. Just be careful not to overwhelm yourself - stick to one primary program for the first month before adding variety.

Don't worry - life happens during the holidays! The beauty of these apps is their flexibility. Just pick up where you left off, perhaps dropping back to slightly easier workouts for the first few sessions back. Consistency over perfection is the key to long-term success, not perfect weekly attendance.

Most apps offer modifications for common limitations, but always consult your healthcare provider before starting any new exercise program, especially with pre-existing conditions. Apple Fitness+ and Peloton show modifications throughout workouts, while Fitbit Premium's adaptive programs can adjust to your feedback. Start conservatively and progress gradually.