The simplest app to quickly log your workouts

Log your sets with minimal interruption of your workout


Track your workout clutter-free

Accelerate your performance

Celebrate your victories

Create your custom exercises

On top of 60+ default exercises

Organize your workouts

Full light/dark mode support


The best cheap ride you'll ever have

The best free workout tracker

Ad-free

We serve no ads, so you can focus on your workout


Free to use

You can use Muscl without ever having to pay


Your data is yours

We do not sell your data to any third-parties


Reach us anytime

Let's talk!

My name is Robert, and I am the creator of Muscl.Muscl was born out of a personal need for a quick and easy way to measure workout performance.As an independent developer, I love to directly get feedback from users. If you have questions or ideas for cool features, let me know personally!


© Robert Fopppen. All rights reserved.