Flex Method
Evidence based coaching
Free · Designed for iPad. Not verified for macOS.
Flex Method is a personalised training and nutrition app designed to help you build strength, improve body composition, and create sustainable habits that fit your lifestyle. Whether your goal is fat loss, muscle gain, or simply feeling better day to day, Flex Method provides structured guidance backed by evidence based coaching principles.
Inside the app, you’ll receive customised training programs, tailored nutrition guidance, and clear weekly structure to remove guesswork and overwhelm. Programs are designed to progress with you over time, adapting to your experience level, schedule, and goals so you can stay consistent and confident in your approach.
Flex Method goes beyond generic workouts by focusing on accountability, education, and long term results. Track your workouts, monitor progress, and build routines that support your health and performance without extremes or quick fixes.
Built by experienced coaches, Flex Method is designed to support real people with real lives. The app brings professional level structure and clarity into one simple platform, helping you train smarter, eat better, and stay consistent for the long term.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
This release of MyStrengthBook focuses on improving the user experience with more control over commonly used features and workflows.
The developer, Millie Marshall Fitness, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Millie Marshall Fitness Pty Ltd
- Size
- 58.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 3 more
- English, Japanese, Korean, Portuguese
- Age Rating
4+
- 4+
- Contains
Messaging and Chat
- Copyright
- © 2026 Flex Method All rights reserved