Lightweight! Workout Analysis

DON’T JUST TRACK YOUR TRAINING. SEE WHICH MUSCLES ARE ACTUALLY DOING THE WORK!

Lightweight! is a science-based workout tracking and analysis app built for fitness, bodybuilding, strength training, powerlifting, and anyone who wants to understand their training at a deeper level.
• Discover effective exercises
• Log your sets, reps, and weights
• Analyze your workout program with muscle-region heat-maps
• Choose from dozens of ready-made training programs from our experts
• Track your body progress and powerlifting performance
Don’t just track how much you train. See which muscles you’re training, which areas may be underworked, and how well you’re recovering.

MUSCLE GROWTH ANALYSIS & TRAINING SCIENCE

Training a muscle is only part of the equation. You also need to understand how much stimulus you’re creating and how well you recover between sessions.
Analyze how every workout affects individual muscles and muscle regions.
• See which muscles are working and by how much
• Get detailed muscle-region analysis
• Identify undertrained and overworked areas
• Analyze daily training stimulus
• Review weekly stimulus and muscle damage
• Track muscle fatigue and recovery
• Evaluate the muscle distribution of your training program
• Easily identify exercises that may be missing or unnecessary
Lightweight’s mathematical training model combines your exercises, sets, reps, effort, and training load to help you understand what your program is actually doing.

WORKOUT TRACKING & TRAINING LOG

Build your own workout program or choose from dozens of programs created by our expert team for different goals and training styles.
• Gym-based bodybuilding or powerlifting programs
• Programs designed specifically for women
• Equipment-free home workouts
• Dozens of 2, 3, 4, 5, and 6-day training plans
Log your sets, reps, weights, and performance with ease. Review previous workouts, track your progress, and plan your next session.
Whether your goal is building muscle, getting stronger, bodybuilding, or powerlifting, your complete training history stays with you.

DISCOVER THE BEST EXERCISES

Find the right exercise quickly with an extensive exercise library.
• Chest, back, shoulder, arm, leg, and ab exercises
• Detailed filtering by muscle group
• Exercise selection by equipment
• Home workout and gym options
• Exercise instructions and demonstration videos
Whether you train at the gym or at home, find exercises that match your goals in seconds.

GYM, HOME, OR OUTDOOR TRAINING

Science-based training should work wherever you train!
• Gym exercises and structured workout programs
• Dumbbell and equipment-free home workouts
• Outdoor and calisthenics exercises
• Training options for women and men
• Programs for beginners through advanced athletes of all ages

TRACK YOUR STRENGTH

Follow your progress in the squat, bench press, deadlift, and other major lifts.
• Log the weights you lift
• Track personal records
• Monitor your estimated strength level
• Evaluate your powerlifting performance
• Compare your results with other Lightweight! users

TRACK YOUR BODY PROGRESS

Record your weight, body measurements, and other physical changes over time.
• Estimate your body fat percentage
• Calculate your FFMI
• Set and track weekly bodyweight and body-fat targets
See your training performance and physical progress in one place.
Lightweight! brings advanced training science and powerful analysis tools into one app, helping you understand your workouts instead of simply recording them.

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EULA: https://www.lightweightapp.com/company/eula

Recent changes:
We’ve made some behind-the-scenes improvements to keep Lightweight! running smoother, faster, and more reliably. Keep getting stronger!