Train Smarter.Live Better.
20-minute sessions. Personalized by AI. Engineered for longevity. Stackable fitness and recovery programming—designed by data and our longevity fitness team—to optimize your performance and long-term health.


Learn
our Method
The Smart Fit Method is a high-tech fitness program designed to get you stronger and fitter using the latest in AI fitness technology and hands-on personal training. The Method is an exercise methodology that utilizes 3 training modalities designed to target these areas of fitness: strength, cardio, and hormonal optimization. We couple this rotation with a recovery station using BioCharger technology and nutritional counselling and supplements in order to improve functional fitness safely, effectively, and efficiently. Take back your life from illness and injury. Complete 20 minute workouts and spend more time doing what you love. We're here to help you invest in your Physical Retirement Plan because everyone deserves the chance to strengthen and improve on a personalized fitness journey.
The Smart Fit Method
Membership Plans
Our memberships are flexible to fit your lifestyle and fitness goals. Select from a variety of fitness membership options below.
- Trainer Recommended
Fit Plan
$100/wk.
$75/wk.
The ultimate longevity plan.
Strength Plan
$75/wk.
$49/wk.
Get strong - fast!
We have partnerships with

SmartStrength
Start with any strength level and surprise yourself with continual progress. Our strength training combines exercise robotics, AI, data reports, and personal trainer support for sessions that perfectly adapt to you in real time. Train to failure across all muscle fiber types in 20-minute sessions that give you your time back.
20min
Time commitment (per week)
94%
More efficient than weights

Smart Ass
Ditch the walker and train to walk independently, confidently (and faster than you think). Easily pick up your grandkids. Prevent harrowing falls and icky lower back pain. Our custom glute machine works all areas of your glutes, plus your hip flexors, to keep you safely active and mobile at every age. *Available in our Cardiff location, expanding to more locations soon
20min
Time commitment (per week)
94%
More efficient than weights

Smart Scan
No need to wonder what you look like anymore. We’ll show you a 3D replica of yourself that gets updated every month so that you can see exactly how and where you’re improving and changing. Scans happen with a certified personal trainer one-on-one in a private room and are available to you in your app anytime.
3m+
3D body scans
3.5k
3D body scanners deployed

Smart ColdHIIT
No pain, no gain, right? Actually, no, we're not into that. Gain the capacity to move around for longer periods of time with rejuvenating, revitalizing cardio sessions complemented by cooling and compression. Reduce pain and optimize your hormones in the process, and rest easy knowing you aren’t causing long-term harm to yourself with these challenging yet low-impact workouts.
18workouts
Choose from 18 scientifically-proven workouts and fitness tests.
10%
Increase cardiorespiratory fitness

SmartRideO2
Burn fat while healing your brain in a laughable amount of time by accessing AI-enhanced Reduced Exertion High-Intensity Interval Training (RE-HIIT) plus varied amounts of safely concentrated oxygen.

Smart Charge
Remember how good you felt, even on a cellular level, after you spent 4 hours in natural light, surrounded by a lightning storm, on a beach, within a forested mountain? No? Check out this vibe compressed into a 15-minute session through our Smart Charge before or after your next workout.
Our "campfire" uses four different energy types – Light, Voltage, Frequencies & Harmonics, and Pulsed Electro-Magnetic Fields (PEMFs) to restore strength, stamina, coordination, and mental clarity.
Get stronger, faster. Come try us
- 1
Location
- 2
Choose time
- 3
Contact Info
- 4
Validation
Select a Date & Time
- No time slots available.
01. Try one of our machines
02. Professional Guidance
Our certified personal trainers will show you how and why our state-of-the-art facility and machines are the best way to workout.
03. New way... new you
Experience a brand new way to work out in less time than ever before
The Cardiff team
behind your transformation
Michael
With nearly a year at The Smart Fit method, this San Diego native brings a lifelong...
Cole
I’ve been part of The Smart Fit Method team for nearly two years. My passion for sports...
Cooper
Originally from Denver, Colorado, Cooper brings a lifelong passion for movement and...
Everett
Originally from Carlsbad, Everett is a former collegiate baseball player with a strong...
Matt
Matt earned his bachelor’s degree from UC San Diego and is a certified strength and...Real Feedback.Real Results.
Media
See all mediaBest Gym in Cardiff
Transform your body and health with tech-powered training and recovery, all in one place.
Looking for the best gym in Cardiff? The Smart Fit Method offers a premium fitness experience that combines science-backed workouts, smart gym equipment, and cutting-edge metabolic testing to deliver real results. Our Cardiff fitness center is designed for efficiency—featuring personalized fitness programs, strength training, and 3D body scans that help you track progress like never before. We’re more than just a gym—we’re a full wellness center offering recovery and longevity solutions under one roof. Whether you're aiming to build muscle, improve endurance, or simply optimize your health, discover why we’re the top-rated gym in California for people who value results and innovation.