I actually upheld my New Years resolution for all 12 months of 2015 thanks to a barebones fitness app

Thinking about splurging on a new gym membership for the new year?

Hold that thought.

There's an at-home fitness app called the 7 Minute Workout that allegedly gives you the benefits of a sweaty bike ride and a trip to the weight room - so long as you commit to it. It sounded perfect for me last January, when I made a resolution: to get more fit and feel less stressed.

Twelve months later, I'm still using it weekly. In fact, this is the only year I've ever actually upheld a New Years resolution through to December.

The small time requirement (each workout is just 7 minutes) really helps on the weekends when I have plans with friends and I can't make it to the gym, or on weekdays when I stay up late and don't get a chance to wake up bright and early to hit up a yoga class.

Here's how the app works: