When it comes to getting fit, modern exercise technology can be a lifesaver if you want to work out at home, an increasingly popular trend. And, no, I’m not talking about purchasing expensive fitness machines—spending lots of money is far from a guarantee for losing weight.

Whether you’re looking at smartwatches, online training apps or virtual gaming systems, the trick is knowing how to make the most of the technology.

Smartwatches and heart rate monitors

From Apple Watch to Fitbit, dozens of smartwatch brands and models are on the market. Some offer just a heart rate reading, while others help you track and critique your performance during workouts.

The best part of wearable tech is that it gives you an easy way to evaluate your current habits and set new goals based on hard numbers.

Here are some guidelines:

Tips for purchase

Be honest about the functions you need. If you’re looking at something for general health, features like steps, activity time logged, sleep time and heart rate tracking are most helpful. There’s no need to purchase a fancy watch