Made with Movement

How Haylie built Duality after 6 years looking for a platform that could support fitness & mental health

Monica McCormick

4 min


Haylie is a Certified Personal Trainer who has been through every stage of a fitness journey and every emotional battle that comes with it. That combination is exactly what makes her coaching different, and exactly what made finding the right platform so hard.

For six years she searched for something that could hold both sides of her work: the physical and the mental. The fitness industry has plenty of tools built for workout delivery. What it doesn't have is much space for the coaches who know that mindset, self-doubt, and emotional health are just as much a part of the process as the programming. That's Haylie's whole mission and four platforms later, none of them could keep up with it.

Then she found Movement, built the Duality app, and finally had a platform as layered as the work itself.



Can you tell us about our business and who you help?

I'm a Certified Personal Trainer who has been learning, growing, and teaching through my own fitness journey since 2017. I wanted to help those that the fitness community tends to neglect, whether that's people with physical disabilities, or those that simply feel insecurity or anxiety around the gym. I purposefully created my Brain Bootcamps and Body Bootcamps in a format where each week builds on the previous week, with actionable, realistic steps to help you grow as you go. Every level, every brain, and every body deserves to feel confident, strong, and empowered.


"I wanted to help those that the fitness community tends to neglect, whether that's people with physical disabilities, or those that simply feel insecurity or anxiety around the gym."




What led you to create your own app?

I've been using every possible platform to try to create the perfect app for my clients for the past 6 years and I felt that none of them allowed me the customization that I needed to provide the best mental health and physical coaching.


"I've been using every possible platform to try to create the perfect app for my clients for the past 6 years and I felt that none of them allowed me the customization that I needed to provide the best mental health and physical coaching."




Why did you choose Movement to create your app?

I loved the full customization aspect and have been able to really maximize everything that Movement has to offer to create the most integrated experience for my clients.


"I loved the full customization aspect and have been able to really maximize everything that Movement has to offer to create the most integrated experience for my clients."




Have you tried any other platforms to bring your vision to life?

I've used TrueCoach, Trainerize, Kahunas, and FitBudd in the past.


What do you love most about using Movement?

I'm truly obsessed with the ability to constantly update the app and have it grow with me so easily. I'm able to add new features daily which has been a huge plus for my business.

"I'm truly obsessed with the ability to constantly update the app and have it grow with me so easily. I'm able to add new features daily which has been a huge plus for my business."



Would you recommend Movement to others?

I would absolutely recommend Movement to anyone who wants the ability to fully customize their content and bring it to their clients in a meaningful way.


"I would absolutely recommend Movement to anyone who wants the ability to fully customize their content and bring it to their clients in a meaningful way."





Six years, four platforms and one clear realization: the fitness industry builds for workouts, not for coaches who know the work happens in your head just as much as your body. Haylie tested TrueCoach, Trainerize, Kahunas, and FitBudd—none of them could hold both her Brain Bootcamps and Body Bootcamps in one place. Movement could.

Now Duality grows with her daily, adding new features as her coaching evolves, proving that when you find a platform built for customization instead of limitation, you stop forcing your vision to fit the tool. The tool finally fits the vision.

Check out the Duality app or find Haylie on Instagram.


Tired of platforms that force you to choose between workouts and everything else?

If your work includes mindset coaching, progressive education, or serving clients who need more than workout delivery—you've probably outgrown platforms built for personal trainers. Haylie did.

After 6 years and 4 platforms, she found Movement and built Duality: Brain Bootcamps for the mental work, Body Bootcamps for the physical, all in one customizable app that treats both as equally important.

Whether you're coaching fitness, pelvic health, chronic pain, or mental wellness alongside movement, Movement gives you the full customization to create what your clients actually need.


What is Movement?

Movement is an all-in-one platform that helps coaches, creators, and community builders launch beautifully branded apps and memberships—without needing to be technical or piece together multiple tools.

Whether you're offering courses, events or programs, selling digital products, or hosting a private community, Movement gives you everything you need in one place: content and video hosting, chats, events, directories, and more.

It’s designed to be intuitive for you and seamless for your audience—so you can focus on delivering value, not managing tech.

For coaches who are tired of stitching together tools like Kajabi, Squarespace, and Facebook Groups, Movement offers a simpler, more scalable way to grow your business and deepen client connection—all under your own brand.

Find out more or sign up for a free account here.

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Ready to start a Movement?

Start creating your Movement for free—no commitment and no credit card required.