Flex: Gym Workout Log

Log your gym workouts, follow your strength progress, and keep your training private.

Flex is a fast, offline workout tracker for strength training and cardio. Record sets, reps, and weights, use rest timers to stay on pace, and review clear progress graphs after every session.

BUILD A BETTER TRAINING LOG

• Log strength workouts, exercises, sets, reps, and weight
• Record cardio sessions and cardio types
• Use rest timers and alarms between sets
• Review workout history and strength progress with graphs
• Tailor features, settings, and light or dark appearance to your routine

PRIVATE, FAST, AND OFFLINE

Flex does not require an account or internet connection. Your workout data stays on your device, so you can train and log sessions anywhere. The app is open source and has no advertising or tracking.

Whether you are beginning a gym routine or refining an established programme, Flex gives you a focused workout journal without clutter.