Own Your Strength

Your fitness, your way. Built for real life. Backed by strategy. Fueled by strength. So many people feel stuck—trapped in their bodies, routines, and mindset.
And the fitness industry? It's filled with extremes. Telling you to hustle harder. Grind more. Smash goals. Be a machine.
But you’re not here to become someone else—you’re here to own who you already are, and get stronger from the inside out. Own Your Strength is your full-service fitness app built by Stefi Guerreiro, coach, hybrid athlete, and mom of two who knows what it means to juggle life while still chasing performance, body goals, and mental peace.
This app is your roadmap to results that actually fit into your life—and stick. What You’ll Get Inside OYS: Multiple program tracks to match your season and goals: - Strength & Muscle Building: Progressive, science-backed plans to help you lift heavier, move better, and build muscle—whether you’re a beginner or seasoned lifter. - Powerbuilding Programs: A bold mix of power + aesthetics, combining strength work with physique-focused hypertrophy. - Hybrid Athlete Training: Combine lifting, running, and conditioning to become the most athletic version of yourself. - HYROX-Specific Training: Compete or train like a HYROX athlete with structured WODs, interval sessions, and race-focused prep. - One year of structured programming—designed to support strength, performance, internal health, and body recomposition all year long. This is long-term transformation, not another 6-week quick fix. Full workout videos with expert demos, timers, and easy-to-follow instructions—no more guesswork. Track your progress your way—reps, weights, strength PRs, mindset wins, body changes, and more. Education that empowers you. Learn the why behind your training. Whether you're building consistency, chasing athletic goals, or coming back from burnout—this app grows with you. Nutrition guidance that supports performance AND real life. No fads. No extremes. Just macro guidance, high-protein recipes, and options that fuel your training without sucking the joy out of eating. Supportive vibes only.
Inside OYS, we don’t chase perfection—we chase progress.
You’ll find programs that challenge you without overwhelming you, coaching that feels personal, and a structure that respects your time, your life, and your goals. Who’s it for? - Busy women who want structure and flexibility in their fitness - Athletes who want to build strength, muscle, and endurance - Moms who are done putting themselves last and are ready to feel powerful again - Lifters tired of cookie-cutter programs and ready for results that last It’s time to Own Your Strength. Fitness doesn’t need to be extreme.
It just needs to be yours. Real-life routines, intentional programming, and the support you need to show up, even on the hard days. Own Your Strength isn’t just another fitness app. It’s your space to move, grow, and thrive—with a coach in your corner every step of the way.