The FASTER by SISSFiT app is now available! Click here to start your FREE 14-day trial!
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The FASTER by SISSFiT app is here!

Now available on both Android and iOS devices!

Gain access to audio-coached versions of our most popular fitness guides, weekly toning workouts, and so much more for just $14.99/month!

  • Treadmill, elliptical, outdoor run, and strength workouts
  • Audio-coaching
  • Music playlists by top DJs
  • New workouts added weekly

Start your FREE 14-day trial today! 


Looking for challenging yet efficient workouts that get results? We've got you covered.

"I have done MANY different workouts and this is BY FAR the best experience I’ve had! The workouts are intense, but short. The variety between treadmill and strength prevent boredom. I use them all the time!" - Deb, 40, MN

All Levels

From beginner to advanced, SISSFiT workouts grow with you as you improve your fitness.


Whether you want to work out at home, in the gym, or on the road, you can use SISSFiT workouts anytime, anywhere.


SISSFiT HIIT strength and cardio workouts are 34 minutes or less, getting you maximum results in minimum amount of time.


When you buy SISSFiT guides you are also joining our FiTSISSter community where we support, motivate, and uplift you to reach your goals.

"Our goal is to educate and inspire individuals to look and feel their best."

-Lauren and Kelly, Founders of SISSFiT

Besides being sisters (and best friends) we’re certified fitness trainers, sports models, and former Division 1 Track and Field athletes. With an extensive background in sports and fitness, in addition to a first-hand understanding of hectic and demanding careers, we joined forces to bring you our realistic and effective approach to every day working out.


SISSFiT Workout Guides Are For People Who...

  • Are busy and don't have a lot of time to work out, but want to look great.
  • Are unmotivated and bored with the same old routines.
  • Are new to working out and have no idea where to start.
  • Want to improve their race times!

Whatever brought you here, know this -- you're one step closer to becoming your strongest, leanest, most aspirational self, both mentally and physically, in just 30 minutes per day or less.


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Tuesday Toning workouts, SISSFiT news, app updates, and more!