Train Smarter,Not Just Harder.
Stop guessing. Start measuring. See exactly how strong you are — and how fast you're growing.
You're training hard.
But are you actually improving?
Most climbers train by feel. Turn your effort into real results.
You're training blind
You feel strong today — but is that enough? Without data, you'll never know if you're leaving gains on the table.
Weeks pass. Nothing changes.
You're putting in the hours, but the numbers won't move. Sound familiar?
You're one bad session away from injury
Push too hard without knowing your limits, and your tendons pay the price.
See your strength grow.
Week after week.
Stop wondering if training is working. Start seeing the proof.
Watch your numbers climb
See your force curve go up, week after week. No more guessing — just growth you can see.
Train at the perfect intensity
Too easy? Too hard? Frez tells you exactly where you stand so every session counts.
Your strength, in black and white
42.3kg peak force. +12% from last month. No opinions — just facts.
5,000+ athletes
can't train without it.
See why climbers and strength athletes won't go back to training blind.
“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.
See exactly how hard you pull
Connect your sensor. Pull. Instantly see your force on screen — down to 0.1kg.
Every rep, perfectly dialed
Audio cues keep you in the zone. Science-backed protocols make sure you're doing enough — but not too much.
Your gains, charted over time
Watch your peak force climb from week 1 to week 8 and beyond. The graph doesn't lie.
Works with the gear you already have
Tindeq, WH-C06, or Frez Dyno — pick the sensor that fits your budget and go.
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.
Your next PR
starts today.
Every session without data is a session wasted. Start measuring today.