Flex Timer

1.38K reviews
Content rating
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About this app

Say hello to the future of interval training timers!

The GymNext Flex Timer is the world's first interval training timer app that also controls a wall mounted LED display. It's great for interval training workouts like CrossFit, HIIT, Bootcamps, Intensity, MMA, boxing, and many others.

While traditional wall-mounted LED timers provide a great, easy to see display, they are plagued by difficult to use remotes that are easily broken or lost. Alternatively, smartphone timer apps provide a much simpler, more powerful approach to control and setup, but the in-app display is difficult to see from around the gym.

Enter the Flex Timer - the best of both worlds! Combining a highly visible LED display that can be seen from all over your gym with the most advanced, easiest to use interval timer app available. You're going to love it!

Check out these great features:
* use the app standalone without an LED display or combine it with our Home or Gym Edition timers and you'll never squint to see the time remaining again
* eight highly customizable timer modes including Standard, Round, Interval, Tabata, EMOM, Stopwatch, Shot Clock and Beep Test to cover virtually any workout you can think of
* save your favorite workouts for instant recall in the future
* go hands-free with Android Gear or Pebble to control the timer from your wrist
* hook up your bluetooth heart rate monitor and you can track your heart rate as you workout or setup zones to let you know whether your pace is appropriate
* connect to multiple clocks around your gym and simultaneously control all of them or hook up to them individually and run separate classes
* run multiple different timer at the same time
* with bluetooth control, you can now start, stop and pause your timer from acute angles and around corners - no more line of sight restrictions

High Praise for the GymNext Flex Timer:

"This will eventually become the standard for all gyms"
- Garage Gym Reviews

"All our coaches love the clock"
- CrossFit Barrie

"We got the Gym Edition and we love it to death"
- Wolverine Strength & Conditioning

Download the app and try it out for yourself. You won't be disappointed.

You can purchase a GymNext Flex Timer LED display at http://www.gymnext.com or on Amazon.com.


We love to hear from our users so that we can build the features you want. If you have suggestions on how we can improve the app, please send them to use via support@gymnext.com. We will be releasing new updates all the time to improve the functionality and add new features.
Updated on
Jun 26, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
App activity and App info and performance
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

1.36K reviews
May 19, 2020
Very buggy. Not very intuitive to use. If you make changes to a timer and don't remove the star icon and reset the favorite you will lose all your changes. Sometimes my timer starts from the wrong side when I'm doing multi-segment until I reboot the tablet and clock. The workout shouldnt move to the timer screen unless I explicitly move it. Having said that I LOVE the idea of this app with the timer but it's too buggy for me to give it a 3. A few app fixes and it could easily jump to a 4.
16 people found this review helpful
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betaOfitness Staff
November 10, 2021
It was hard hard to use when we first got it. Then it was a breeze to set up. NOW IT IS HORRIBLE! Whatever update the app received a few weeks ago made setting up my workouts in accessable. For example, if I wanted 10 rounds of HIIT, the first 3 rounds at 45s, the next 3 rounds at 30s, and the remaining at 60s.....I cannot do it anymore. I was able to before this update. Now I have to stop and set up and use a different timer EVERYTIME. The multi segment doesn't work. Who designs this app¿
17 people found this review helpful
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February 28, 2023
Hi, can you please update to our latest release. Please contact us at support@gymnext.com if the issue persists. Thanks.
A Google user
April 10, 2019
Love almost everything about it other than there is not a way to turn down the voice cueing without completely turning it off. If you connect the timer/app via Bluetooth to a stereo along with music the beeping and voice is much louder then the music itself (obnoxiously). I have received complaints from neighboring businesses due to the beep and voice (not music).
8 people found this review helpful
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What's new

Added new Rest Driven timer mode
Simplified Audio & Visual Preferences
Support timers larger than 99:59
Added 15m Beep Test
New feature to allow Rest periods to play music at regular volume, lowered volume, or turn off the music during rest
Improved analytics tracking