Transform Your Training with Strong

Strong is the simplest and most intuitive workout tracking experience, trusted by over 5 million users worldwide who have logged more than 30 million workouts. Designed as a digital notebook reinvented for modern strength training, Strong helps you think less and lift more by staying out of your way while you focus on what matters—your workout.

Key Features & Capabilities

• Comprehensive Workout Tracking: Log sets, reps, and weight with an interface that's faster and more powerful than a traditional notebook • Progress Visualization: Track your best sets, max 1RM, body fat percentage, and body part measurements with advanced charts and muscle heat maps (Strong PRO) • Workout Planning: Create custom exercises, build routines, schedule workouts, and plan your entire training program • Cross-Platform Sync: Access your training data seamlessly across iPhone, Android, and Apple Watch with Strong Cloud • Advanced Training Tools: Supersets, RPE tracking, warm-up calculator, custom timers, and workout sharing • Integrations: Apple Health sync, Siri Shortcuts, CSV export, and third-party app integrations

Who It's For

Strong is built for everyone—from beginners starting their fitness journey to world record holders like KenGee Ehrlich, IFBB pros like Daraja Hill, and powerlifting champions like Eigunn Stav Sætre. Whether you're following a structured program or designing your own training, Strong adapts to your needs and experience level.

Privacy & Control

Your data belongs to you. Strong gives you full control over privacy and permissions, with the ability to export your complete training history anytime. The app is free to use forever, with optional Strong PRO features for advanced analytics and visualization.

With a 4.9-star rating across both app stores (125K+ App Store reviews, 27K+ Google Play reviews) and features in The Verge, Lifehacker, The Guardian, CNET, and Muscle & Fitness, Strong has established itself as the clear winner among workout tracking apps.