No Personal Trainer? Here Are 10 Workout-Tracking Apps to Keep Yourself Accountable

Cost: Free; premium subscription is $8 per month

Perfect for anyone who chooses to exercise outside the gym, Strava tracks the distance, pace, moving time, elevation, calories, and average heart rate of any outdoor workouts including hikes, runs, and bike rides. The map-based app also gives you suggested routes so you can always work out somewhere new.