FLEX – WORLD’S BEST BARBELL TRACKER
FLEX – WORLD’S BEST BARBELL TRACKER
FLEX is the most advanced bar tracker. It combines scientific accuracy with outstanding user-friendliness. The app (iOS and Android) automatically detects reps and sets, which gives athletes and coaches a hands-free workout experience.
This kit includes the FLEX barbell sensor, carry case, charging cable, free app download and reflective mat.
Share
Video
-
✅ Measures and tracks all barbell exercises
-
✅ Reliable accuracy backed by independent scientific validation
-
✅ Easy setup and features enabling hands-free training sessions
-
✅ Integrated with the GymAware ecosystem (app & cloud)
-
✅ Trusted by gym goers, high schools, colleges, budget-conscious elite teams, and researchers
-
Laser barbell technology
Unlike any other barbell sensor or barbell accelerometer, FLEX uses a laser optic array technology. This is a wireless, accurate and durable barbell tracking solution.
In fact, this barbell technology makes FLEX the most accurate bar speed measuring device. It measures every rep and is extremely accurate at both high and low speeds.
-
✅ Wireless over 10 yards/meters
-
✅ Scientifically validated accuracy
-
✅ Portable
-
✅ Battery for 1 month of training
-
Metrics beyond barbell velocity
FLEX is much more than just a barbell velocity tracker or barbell path tracker. Here are a few key FLEX metrics:
- Velocity (concentric, eccentric, peak and average)
- Power (concentric, eccentric, peak and average)
- Time (concentric and eccentric)
- Bar distance
- Bar path
- Bar position
-
FLEX Stronger: barbell path app & more
FLEX STRONGER is the best barbell velocity tracker app. And it’s free.
Use the app to track barbell path and bar velocity. It automatically recognizes when sets start and finish, which means you can fully focus on your workout instead of tapping around on your phone. Here are a few FLEX features:
- Real-time feedback (of course!)
- Video mode and bar-path analyses
- 1RM prediction
- Automatic start and stop for a hands-free experience
- Prescription: create in-app workouts
- Buddy mode: train up to 3 people with one unit
- Exercise assist: detects the exercise
- Workout history and data export
- 200+ exercises
- Community in which you can share your results with friends
The app is compatible with Android and iOS devices.
-
FLEX: the best Weightlifting and Powerlifting velocity tracker
FLEX is the number one choice for tracking velocity in powerlifting and weightlifting. It measures bar speed and gives you real-time feedback for every lift.
With over 200+ exercises, all powerlifting and weightlifting exercises are available in the app.
Use video mode and bar-path analyses to improve your weightlifting technique. Use the 1RM prediction feature to track your powerlifting progress. And don’t forget to share your results with friends!
-
FLEX for teams
GymAware x FLEX integration is the most cost-effective VBT solution for teams, bringing you the same feature set trusted by the Pros for over 20 years.
FLEX users can connect their FLEX device to the GymAware iPad app at no cost. This enables FREE RUN mode in the GymAware app.
Frequently Asked Questions
What is FLEX?
FLEX is a highly advanced barbell tracker that uses laser optic technology to accurately measure and track all barbell exercises.
What technology does FLEX use for tracking?
FLEX uses laser optic array technology, making it a wireless and precise barbell tracking solution.
What metrics does FLEX track?
FLEX tracks velocity, power, time, bar distance, bar path, and bar position.
Is FLEX compatible with iOS and Android?
Yes, FLEX has a dedicated app that is compatible with both iOS and Android devices.
What comes in the FLEX kit?
The kit includes a FLEX barbell sensor, carry case, charging cable, a free app download, and a reflective mat.
How accurate is FLEX?
FLEX is scientifically validated for its accuracy, making it a trusted tool among athletes and researchers.
How does FLEX integrate with the GymAware ecosystem?
FLEX can connect to the GymAware iPad app, providing a comprehensive VBT (Velocity-Based Training) experience.
Can I use FLEX without touching my phone during workouts?
Yes, FLEX’s app automatically detects reps and sets, allowing for hands-free training sessions.
What types of athletes benefit from using FLEX?
FLEX is ideal for gym goers, high school athletes, college teams, budget-conscious elite teams, and researchers.
How portable is the FLEX sensor?
FLEX is lightweight and comes with a carry case, making it easy to take to any gym or training location.
What exercises can FLEX track?
FLEX tracks over 200 exercises, including all powerlifting and weightlifting movements.
What is the range of FLEX's wireless capability?
FLEX operates wirelessly up to 10 yards/meters, allowing freedom of movement during training.
Does FLEX provide real-time feedback?
Yes, the app delivers real-time feedback, enabling athletes to adjust their performance during each lift.
Can FLEX be used for tracking 1RM?
Yes, FLEX has a feature for predicting 1RM (one-rep max) to help athletes track their progress.
How long does the battery last on the FLEX sensor?
The battery can last for up to one month of training sessions on a single charge.
What makes FLEX different from other barbell trackers?
FLEX uses laser optic technology, offering greater accuracy compared to accelerometer-based trackers.
Does the FLEX app have a video mode?
Yes, the app includes a video mode and bar-path analysis to help improve lifting techniques.
Is the FLEX app free to download?
Yes, the FLEX app is free to download for both iOS and Android devices.
What is Buddy Mode in the FLEX app?
Buddy Mode allows up to three people to train with a single FLEX device, making it ideal for team training.
Can FLEX track eccentric and concentric movements?
Yes, FLEX measures both concentric and eccentric phases for velocity and power.
What is the GymAware x FLEX integration?
This integration offers a cost-effective VBT solution for teams, leveraging the features of both GymAware and FLEX.
Does FLEX have community features?
Yes, the FLEX app allows users to share results and connect with other athletes in the community.
How do I set up the FLEX sensor?
Setting up the FLEX sensor is simple: place it on the barbell using the reflective mat, and pair it with the app.
Can FLEX be used in a commercial gym?
Yes, FLEX is designed for use in various environments, from home gyms to professional training facilities.
Is the FLEX app user-friendly?
The FLEX app is known for its intuitive design, making it easy to navigate and use during workouts.
What kind of feedback does FLEX provide?
FLEX provides detailed metrics like bar speed, power output, and bar path, helping athletes refine their technique.
How does FLEX measure bar path?
FLEX uses its laser optic array technology to track the precise movement of the barbell throughout each lift.
What is the weight of the FLEX sensor?
The FLEX sensor is lightweight, ensuring it doesn’t interfere with your lifting performance.
How does FLEX help improve lifting technique?
By analyzing bar path and providing real-time velocity data, FLEX helps lifters make adjustments to optimize their technique.
Can FLEX be used for Olympic weightlifting?
Yes, FLEX is perfect for tracking the complex movements involved in Olympic weightlifting.
What is the reflective mat used for?
The reflective mat is placed under the barbell to ensure accurate laser tracking during workouts.
Can I export workout data from the FLEX app?
Yes, the app allows users to export workout history and data for further analysis.
Does FLEX work with Android tablets?
Yes, the FLEX app is compatible with Android tablets as well as smartphones.
Is FLEX suitable for beginners?
Yes, while it’s a powerful tool for advanced athletes, FLEX’s user-friendly design makes it accessible for beginners too.
How do I charge the FLEX sensor?
The FLEX sensor comes with a charging cable and can be charged using any standard USB port.
What is Velocity-Based Training (VBT)?
VBT is a training method where the speed of movement is used as a primary measure of performance, and FLEX is designed for this purpose.
Can I create custom workouts in the FLEX app?
Yes, the app includes a prescription feature that lets you design personalized workouts.
Does FLEX provide data on peak power output?
Yes, FLEX measures peak and average power for both concentric and eccentric movements.
How do I clean the FLEX sensor?
Wipe the sensor with a clean, dry cloth after each use to keep it in optimal condition.
Is FLEX used by professional athletes?
Yes, FLEX is trusted by professionals and elite teams worldwide for its precision and reliability.
What happens if I drop the FLEX sensor?
The FLEX sensor is built to be durable, but it’s always best to handle it with care to maintain its accuracy.
Can FLEX track squats and deadlifts?
Yes, FLEX can track squats, deadlifts, bench press, and many other common barbell exercises.
How does FLEX help with progressive overload?
By providing data on bar speed and power, FLEX allows athletes to monitor progress and adjust training intensity.
Is there customer support available for FLEX users?
Yes, FLEX offers customer support through their website and app for any technical assistance.
How long does it take to set up a FLEX session?
A session can be set up in less than 2 minutes, making it quick and easy to start tracking your lifts.
Can FLEX be used outdoors?
Yes, as long as the reflective mat and barbell are properly aligned, FLEX can be used outdoors.
What type of training data does FLEX provide?
FLEX provides detailed data on velocity, power, bar path, distance, and more, ideal for in-depth performance analysis.
Is FLEX only for barbell exercises?
FLEX is primarily designed for barbell exercises but can be used creatively for other movements with proper setup.
Does FLEX support team training sessions?
Yes, FLEX is ideal for teams, with features like Buddy Mode and integration with the GymAware app.
How does FLEX benefit strength coaches?
Strength coaches can use FLEX’s data to monitor athlete progress, adjust training programs, and ensure optimal performance.