Flex: Workout Tracker & Log

The workout tracker built for people who actually lift.

Flex logs every set, tracks your PRs, and builds a personalized plan around your goals — so every session has a purpose and nothing gets forgotten.

GET YOUR PLAN

• AI-generated plans for Strength, Hypertrophy, Fat Loss, Athletic, Mobility, and General Fitness
• Classic splits: Push/Pull/Legs, Bro Split, and more
• Autopilot progression — your plan adapts as you get stronger
• Swap any exercise with one tap

LOG EVERY SESSION

• Set-by-set tracking with rest timer and duration timer
• Cardio logging alongside your lifts
• 500+ exercises with instructions and visuals
• Notes on any set or session
• Workout calendar to schedule and review sessions

TRACK REAL PROGRESS

• Personal records and lift goals tracked automatically
• Strength and volume trends over time
• Insights into your training patterns
• Bodyweight and water intake tracking
• Health metrics dashboard

STAY CONSISTENT

• Workout streaks and badges to keep you motivated
• Daily motivational quotes
• Milestones that reward consistency
• Shareable workout summaries and export graphics

TRAIN WITH OTHERS

• Share workouts with friends or the community
• Discover what others are doing for inspiration

PLUS: AI COACH Ask anything — form tips, recovery advice, what to do when a movement hurts. Real guidance, right when you need it.

Try free for 7 days.

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