App Description

Do you want to build a beautiful strong body with workouts you can do anywhere?


Build strength and get fit with Katherine Streeton, ISSA certified personal trainer, published author and specialist in fitness nutrition.


• Video tutorials

Each workout offers exercise tutorial videos to remove any guesswork on how to perform the exercises correctly.


• Track your routines

Access your training plan, view your progress graphs, and check-in to workouts.


• Train anywhere

Choose between gym workouts or home/travel routines.


• Schedule workouts

Set up your workout schedule based on the days you wish to train each week or have Katherine make the schedule for you!


• Accountability

Gain access to a private Facebook group where you have the chance to make friends, share your progress and join a supportive community.


• Sync with other apps

Connect the app to My Fitness Pal, Fitbit and Withings to track your nutrition, sleep activity, calories burned, and more.


Achieve your fitness goals with the help of your personal trainer by downloading the app now!


For inquiries about customized personal training and nutrition coaching, send an email to [email protected] or visit http://katherinestreeton.com

iPhone Screenshots

(click to enlarge)

Kalos Sthenos screenshot 1 Kalos Sthenos screenshot 2 Kalos Sthenos screenshot 3 Kalos Sthenos screenshot 4 Kalos Sthenos screenshot 5

iPad Screenshots

(click to enlarge)

Kalos Sthenos screenshot 6 Kalos Sthenos screenshot 7 Kalos Sthenos screenshot 8 Kalos Sthenos screenshot 9 Kalos Sthenos screenshot 10

App Changes

  • December 23, 2016 Initial release