Smartphone fitness applications are becoming more sophisticated by the day, you can find some excellent (and free!) Personal training apps to help boost your fitness activity. 

Fitness apps are very handy for working on your phone, motivating you and training you hard. Some will not only give you useful tips and advice, but will also serve as a digital personal trainer. Smartphone fitness apps play a big role in maintaining fitness and health and get you in the best shape of your life.

Here are some of the best apps to use and recommend to your friends:

• Cardio Trainer :- It is great for cardio workouts as it records your progress, heart rate, and calories burned, and is also a music player to help keep you motivated. There are various interval training programs (more on the Pro version) and other cool technologies that will keep you focused.
• FitnessBuilder Plus:- FitnessBuilder Plus gives you the option of choosing a live-streamed personal trainer to guide you through over 750 workouts or you can use any of the more than 5,600 workouts to build your routine. Many plans expand to help you reach long-term goals.
• StrongLifts 5×5:- Tracking your workouts is very easy with this app. It can tell you how much weight to lift, monitor your body weight, look at your previous workouts and more. A great way to mark your progress, this app completes all the thinking for you, so you can focus on lifting!