Train Smarter,Not Just Harder.
Stop guessing. Measure your force, track your progress, and train smarter with real-time data.
Training hard—
how much progress?
Most climbers train by feel. Turn your effort into actionable data.
Guessing Your Training
Without data, you can't know if you're training at the right intensity.
Hitting Plateaus
Without measuring, your hard work leads to stagnation and frustration.
Risking Injury
Without proper load management, you increase your risk of injury.
See your gains.
Prove your progress.
Transform invisible effort into visible results with precision data.
Measurable Progress
Track your strength gains over time with force progression data.
Smarter Load Management
Science-backed protocols help you train at the right intensity.
Know Your Numbers
Replace guesswork with precise metrics. See exactly where you stand.
Trusted by Athletes
Worldwide.
Join thousands of climbers and strength athletes training smarter.
“Outstanding”
I'm using this to train primarily endurance for climbing.
“Amazing app”
I was able to recover my left hand from a serious injury thanks to the protocols in the app and improve my route climbing performance.
“Simply great”
I have been using this app for my climbing training and it has become one of my favorite tools. The customization is excellent.
“Works perfectly”
I have tried so many training apps. This one works the best and works perfectly with different Bluetooth dynamometers.
“Pro version worth it”
Great job! The developer is really committed to the project. I've been using the app since early versions.
“Perfect for Climbing”
Frez is an advanced app for isometric training, ideal for climbers who want to track strength with precision.
Start training
in minutes.
From sensor to smarter training in four simple steps.
Pair your Bluetooth sensor in seconds.
See your force in real-time with 0.1kg precision.
Follow protocols with audio guidance.
Track your gains with Peak Force metrics.
Measure. Train.
Progress.
A complete system designed for climbers who demand precision at every step.
Eliminate Guesswork with Precision
Connect via Bluetooth to precision sensors. See exactly how hard you're pulling with 0.1kg accuracy.
Maximize Efficiency with Science
Follow evidence-based protocols with audio guidance. Train optimally, not excessively.
Prove Your Progress with Data
Track aerobic capacity with Peak Force metrics. See your baseline climb over time.
Freedom to Choose Your Gear
Works with leading Bluetooth force sensors. From budget-friendly to pro-grade.
Learn from
the Experts.
See how athletes and coaches use Frez for their training.
Training
Insights.
Expert knowledge backed by science.
Common
Questions.
Learn about isometric training and climbing finger strength development.
Frez is an isometric training app that connects to Bluetooth force sensors to measure your strength in real-time. The name comes from 'Freeze', reflecting the static, holding nature of isometric exercise. Frez makes invisible forces visible, turning every rep into measurable data for smarter training.
Tomorrow's progress
starts today.
Don't train blind. Measure your strength, track your progress, climb harder.