Thousands of lifters from beginners to pro athletes are training smarter with Calibrex.
Meet your new personal trainer for less than your TV subscription 💸
This tiny smart magnet automatically tracks your reps, rest, speed, calories, form and more. Get real-time audio training, trends, progress reports, analytics, and much more.
Each workout is fully tailored to you based on your goals, available equipment and previous data points. Your AI trainer will give you spoken instructions in real-time.
Never Guess About Correct Form Ever Again
Don’t let not knowing what to do stop you from being the best version of yourself. We progress you through movements correctly and efficiently so that you feel strong and confident every step of the way:
Automatic form check-ins and real-time corrections.
Programs and workouts based on your experience and skill level.
Gradual increases that push you, but not too far
Live a Longer, Healthier Life
Our goal is happier, healthier humans. Automatic reassessment of your fitness level puts you on the fast track better long-term health outcomes:
Continuous goal tracking.
Leaderboards within your fitness level and demographic.
Fitness achievements and milestones.
Programs that leverage the latest and greatest in exercise science.
Never Log Your Own Reps, Sets, or Weight Ever Again
No more guessing if you did enough in your session! Using the same technology that pro athletes use, we can make sure every workout you do will bring you closer to your goals:
Real-time weight and speed corrections.
Progressive workout plans with regular check-ins.
Workouts that always leave you feeling accomplished.
Reach Your Goals in Record Time
Like a real life personal trainer, just tell Calibrex your fitness goals and we’ll make sure you’re tracking towards them:
Workout plans tailored to your goals and experience level.
Automatic progress tracking.
Real-time updates, corrections, and insights.
Based on real data from over 10Mreps collected with Calibrex hardware in 18 countries over 4 years.
Guided personal training anywhere
What will you do with unlimited access to the best personal trainer?
I always want to leave the gym feeling like I did my best based on my daily readiness. Having a tool that gives me context on how l lift each weight allows me to set specific daily targets to get after when I get to the gym. The huge list of workouts that I can filter through based on the time I have on a given day is massive for my lifestyle.
— Will P
Glad to see something for weights in the fitness tracker space this has given me all the data I could reasonably ask for, new features roll out continually, etc. Name another wireless VBT option at this price point?
— Oli K
Fair pricing, good people.
Team actively communicates with users, seeks feedback and incorporates requested features regularly. Cool young company that seems to care. I thought the price was more than fair given other options in this space!
— Stella K
Hardware shipped quickly and set up was easy, don't need anything beyond whats in the box so convenient to travel with. Gives me great insights into where I'm at and how and when it's time to level up. I use mainly for powerlifting and tracking my routines.
— Mateo C
Really helps calculate the weight you should be doing at the rate that it should move. It helped me be smarter on the weight that I should add. It improved my performance and will continue to improve in the long run with this product!
— Hector H
It allowed me to increase strength without the risk of any injury as a result I was able to progressively overload. I recommend the product wholeheartedly to any fitness athlete whether a beginner or advanced
— Moe A
Best and most affordable vbt device
— Connor D
The devil is in the details
Know when you're ready to slay that next dragon
Hit your goals faster. Be the first to train with Calibrex 3 this fall.
Calibrex 3 is your new personal trainer. A magnetic, sometimes wearable, fitness tracker - it seamlessly attaches onto your body or any gym equipment and automatically tracks every rep and other important workout metrics like rep speed, power, time under tension, form and more - just like a real life personal trainer would. The Calibrex app leverages the latest in sports science, and our proprietary ai, Calibrex Coach Cali, guides you in real time based on your goals.
We've found that most fitness trackers focus mainly on cardiovascular metrics and steps but nothing that can really help us understand our progress in the gym. Calibrex brings technology that currently only pro athletes in pro sports facilities have, in a portable and affordable form factor.
How long does the battery last?
The battery is designed to last about two weeks or 8-10, 45-60' workout sessions.
Do you have a warranty?
Every Calibrex 3 comes with a Calibrex™️ 1yr warranty.
We back our Calibrex devices with a one year warranty, ensuring that any issues or problems will be promptly resolved.
What metrics does the Calibrex 3 track?
The Calibrex 2 tracks:
Reps/Sets
Rep Speed (m/s) & Power (w)
Rest Times
Speed Loss (Fatigue Monitoring)
Calories Burnt
more coming soon!
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