STRONK: A Workout Tracker

Log workouts offline, keep your screen on between sets, and track reps, weight, and rest time without clutter.

Track your workouts fast, offline, and without clutter.

STRONK is a private workout tracker for logging sets, reps, weight, timed exercises, and rest periods. It is built for people who want a simple gym log that works quickly and keeps their data on their device.

Why people use STRONK: • Optional "Keep Screen On" mode, so you don't have to unlock phone in between sets • Copy your workout as text, so you can ask AI for suggestions and analysis • Log sets, reps, weight, and timed exercises • Use a built-in rest timer • Reuse past workouts as templates • View workout history and summaries • Track workouts at home or in the gym with optimal research-backed suggested workout templates • Works offline • Privacy-first: your data stays on your device

Built for simple strength training: Whether you lift with barbells, dumbbells, machines, cables, or bands, STRONK helps you record what you did and keep your training organized.

Need help or have feedback? support@cosmometrics.com