Join nearly half a million Australians who’ve become healthier and fitter with 12WBT. Easily plan, follow and track your 12 Week Body Transformation journey from your phone!

Drawing on over 30 years experience, 12WBT was created by personal trainer Michelle Bridges, one of Australia’s most highly regarded health and fitness experts and former trainer on ‘The Biggest Loser’. Together with a team of leading dietitians and fitness experts, 12WBT has transformed the lives of 100,000’s Australians and helped them lose over 2 million kilos.

12WBT supports all levels of fitness, with 15 different programs to choose from. We understand that starting out on your fitness journey can be daunting, especially if you haven’t been active in years. If this is you, we recommend learning how to start moving again with one of our ‘Move’ or ‘Beginner’ programs.

YOUR PLANNER - all the thinking has been done for you. View your Meal & Exercise Plans by week and by day, to ensure you’re always organised and ready to go.

YOUR TRAINER - prepare to be put through your paces anytime, anywhere. Enjoy step by step workouts that can be followed at home, outdoors or at the gym. You choose.

YOUR NUTRITIONIST - developed by leading Australian dietitians, learn how to cook nutritionally balanced AND delicious meals that have been designed with your health goals in mind.

YOUR TRACKER - With a simple click you can track your exercise, meals, calories, water, sleep, mindset (and more!) to keep yourself accountable and on track to achieving your goals!

YOUR MOTIVATOR - Michelle Bridges and her team will be with you every step of the way right from your pocket, to keep you focused and excited about healthy eating and regular exercise.

Access all the tools you need to achieve your weight loss and fitness goals, including the entire 1000+ 12WBT recipe index, plus 100’s of on-demand workouts & mindset coaching videos.

There is no better time to transform your health, your confidence and your self love with 12WBT!

What’s New

Version 1.5.30

- Leaving the bugs behind but gaining a fitter, faster, stronger app

Ratings and Reviews

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1 Rating

App Privacy

The developer, 12WBT Trading Pty Ltd, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

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

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