筋トレ - Workout Tracker – Free PWA for tracking weight training and cardio

Summary: 筋トレ is a free progressive web app that tracks weight training, cardio, and bodyweight exercises with PR detection, streak tracking, and progress graphs. It requires no download and works on any smartphone by adding to the home screen.

What it does

It records workout data including weight training, cardio, and bodyweight exercises, providing personal record detection and visual progress tracking. The app runs as a PWA built with Firebase and vanilla JavaScript.

Who it's for

Users seeking a lightweight, no-install fitness tracker for monitoring various workouts on smartphones.

Why it matters

It eliminates the need for bulky fitness apps and app store downloads while offering essential workout tracking features.