Meta Title: Kayla Itsines Biography – Fitness Trainer, SWEAT App Founder, Net Worth & Workout Empire
Meta Description: Discover everything about Kayla Itsines – fitness trainer, SWEAT app founder, and workout icon. Learn about her age, programs, net worth, personal life, and global fitness influence.
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Focus Keywords: Kayla Itsines, Kayla Itsines biography, Kayla Itsines workouts, SWEAT app, Kayla Itsines net worth, Kayla Itsines fitness program, Kayla Itsines age, fitness influencer, BBG workout
Introduction
Kayla Itsines is a globally recognized Australian fitness trainer, entrepreneur, and co-founder of the SWEAT app, one of the world’s most downloaded fitness apps. Known for her high-intensity BBG (Bikini Body Guide) workouts, Kayla has inspired millions of women around the globe to achieve their fitness goals — all from the comfort of their own homes.
She’s more than a personal trainer — she’s a fitness mogul, digital entrepreneur, and one of the most influential women in fitness today. With a loyal social media following, evidence-based programs, and a brand valued at over $100 million, her impact goes far beyond gym walls.
In this post, explore Kayla Itsines’ full biography, including her early life, career journey, SWEAT app, net worth, personal life, workouts, and how she became a household name in fitness.
Kayla Itsines Biography Overview
| Attribute | Details |
|---|---|
| Full Name | Kayla Itsines |
| Date of Birth | May 21, 1991 |
| Age (as of 2025) | 34 years |
| Birthplace | Adelaide, South Australia |
| Nationality | Australian (Greek descent) |
| Profession | Fitness Trainer, App Founder, Author |
| Famous For | BBG Program, SWEAT App, Home Workouts |
| Marital Status | Engaged to Jae Woodroffe |
| Children | 2 (Arna Leia and a son born in 2023) |
| Estimated Net Worth | $75–100 Million USD |
| Instagram Handle | @kayla_itsines |
Early Life & Education
Kayla was born and raised in Adelaide, Australia, to Greek-Australian parents. Fitness was always part of her life, but her journey into the industry began unexpectedly.
Key Highlights:
- Initially planned to be a beauty therapist, but switched to personal training
- Attended the Australian Institute of Fitness, earning a Master Trainer certification
- Started training clients in her family’s backyard with minimal equipment
From humble beginnings, Kayla’s story evolved into a global fitness empire.
The Birth of BBG (Bikini Body Guide)
In 2014, Kayla launched her now-famous Bikini Body Guide (BBG) — a 12-week high-intensity interval training (HIIT) program that gained massive popularity for being simple, effective, and accessible.
BBG Features:
- 28-minute full-body workouts (3x per week)
- Emphasis on bodyweight training
- Minimal equipment needed
- Designed for women of all fitness levels
- Included meal guides and transformation tracking
The program quickly went viral as women began sharing before-and-after transformations, building a loyal BBG community on Instagram.
SWEAT App: Fitness Tech Disruption
In 2015, Kayla co-founded the SWEAT app with her former partner Tobi Pearce. It became one of the highest-grossing fitness apps globally and revolutionized the way women work out.
SWEAT App Key Features:
- Programs by Kayla and other top female trainers
- BBG, BBG Stronger, Post-Pregnancy, PWR, Low Impact, and more
- Video tutorials, progress tracking, and calendar scheduling
- Meal planning & water reminders
- Available in multiple languages
As of 2025, SWEAT has been downloaded over 50 million times and is available in over 190 countries.
What Makes Kayla Itsines So Popular?
- Relatable Approach
- Promotes progress over perfection
- Shows both struggles and successes
- Science-Based Programs
- Created by certified trainers
- Backed by results from millions of users
- Community Power
- Over 30 million followers across platforms
- Strong BBG and SWEAT global community
- Transformation Stories
- Real users, real bodies, real results
- Focus on strength, confidence, and health
Fitness Philosophy & Training Style
Kayla promotes short, efficient, and flexible workouts that can be done:
- At home or in the gym
- Using minimal to moderate equipment
- Focused on functional fitness
- Designed for sustainable fat loss and muscle toning
Her BBG workouts include:
- HIIT circuits
- Plyometric cardio
- Bodyweight strength
- Core stability and mobility drills
Her method appeals to moms, students, beginners, and busy professionals alike.
Books and Publications
Kayla is also a best-selling author. Her published works include:
- The Bikini Body 28-Day Healthy Eating & Lifestyle Guide
- The Bikini Body Motivation & Habits Guide
- The Bikini Body Training Guide
These guides blend recipes, fitness plans, and mental health tips for holistic wellness.
Personal Life: Relationships & Motherhood
Kayla was previously in a relationship with Tobi Pearce, with whom she co-founded SWEAT. The couple separated in 2020 but continue to co-parent their daughter Arna Leia.
She is now engaged to Jae Woodroffe, with whom she had her second child in 2023.
Kayla often shares:
- Family moments
- Postpartum recovery tips
- Mom-friendly workouts
- Balancing business and motherhood
Net Worth & Business Success
Estimated Net Worth (2025): $75–100 Million USD
Revenue Sources:
- SWEAT app subscription (monthly/yearly plans)
- Book sales and digital guides
- Social media brand collaborations
- Fitness events and speaking engagements
- Affiliate marketing
In 2021, SWEAT was acquired by iFIT (owner of NordicTrack) in a deal worth $400 million, massively boosting Kayla’s profile as a businesswoman.
Awards & Recognition
- Forbes 30 Under 30 (Asia-Pacific)
- Apple App of the Year Finalist – SWEAT
- One of the World’s Top Fitness Influencers by Time
- Named among the Top Women in Fitness Tech globally
Kayla Itsines Quotes
“Strength isn’t just physical. It’s mental, emotional, and earned.”
“Fitness should empower you, not intimidate you.”
“Consistency beats motivation. Show up for yourself.”
Kayla’s Social Media Presence
| Platform | Followers (2025 est.) | Content Focus |
|---|---|---|
| 15M+ | Workouts, family, motivation, BBG | |
| TikTok | 1.5M+ | Quick workouts, challenges, tips |
| YouTube | 400K+ | Tutorials, Q&A, product reviews |
| 1M+ | Community engagement, transformations | |
| Website | sweat.com | Programs, guides, support |
FAQ Section
Who is Kayla Itsines?
Kayla Itsines is an Australian fitness trainer, entrepreneur, and co-founder of the SWEAT app, known for her BBG workout programs and fitness empire.
What is Kayla Itsines’ age?
As of 2025, Kayla Itsines is 34 years old (born May 21, 1991).
What is the SWEAT app?
SWEAT is a women-focused fitness app co-founded by Kayla Itsines that offers various programs, workouts, and meal guides. It is one of the most downloaded fitness apps globally.
What is Kayla Itsines’ net worth?
Her estimated net worth is between $75–100 million USD, largely from the SWEAT app, fitness guides, books, and brand deals.
Who is Kayla Itsines’ husband?
Kayla is engaged to Jae Woodroffe, with whom she shares a son. She was previously in a long-term relationship with Tobi Pearce, her former business partner.
What is the BBG program?
BBG (Bikini Body Guide) is a 12-week fitness program created by Kayla Itsines, consisting of 28-minute high-intensity workouts designed for women of all fitness levels.
Conclusion
Kayla Itsines is a fitness revolution in motion — from personal trainer to global fitness influencer and tech entrepreneur, she has empowered millions of women to train smarter, eat better, and live stronger.
Her combination of authenticity, results-driven programming, and female empowerment has turned BBG and SWEAT into fitness powerhouses, inspiring a generation of home trainers.
Whether you’re just starting your fitness journey or looking to level up your workout routine, Kayla Itsines’ legacy proves that transformation starts with one decision — to show up.
