iPhone Screenshots


Here you will learn Muay Thai and Kickboxing from one of the best strikers in the world. In these on demand style vidoes, Cosmo will breakdown the techniques that have helped him win 7 World Titles.

New tutorials uploaded weekly

Celebrity guest coaches

Monthly giveaways

Live training with Cosmo himself

Welcome to the Goodboy Family!

Important Information:

- You need an active subscription in order to use this app.

You can find our Privacy Policy here: https://www.divinedigitalagency.com/cosmo-alexandre-privacy-policy

Our Terms of Service: https://www.divinedigitalagency.com/cosmo-alexandre-terms

What’s New

Version 1.0.5

Updated app description.

Ratings and Reviews

5.0 out of 5
14 Ratings

14 Ratings

radamalinas ,


It’s a great app, hard, intense workouts, Cosmos’s experience and knowledge gives you an edge to become more then just a person who wants to workout, a must have app!

tyler 84729 ,

Great breakdown and awesome striking

Great app to be able to train while traveling or while at home. Cosmo does a great job breaking everything down.

Sizzle McBrackins ,

Great app for all levels

Great for beginners and people who are experienced. Easy instructions from a legend that fought in the three hardest combat sports MMA, kickboxing and Muay Thai. Great app!

App Privacy

The developer, Cosmo Alexandre, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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