Muscle Code

Smart fitness—without the surveillance Get science-based fitness guidance while keeping full control of your data. This app turns peer-reviewed research into practical insights—without accounts, ads, or tracking. Everything happens on your device, and your information never leaves it. Why it’s different • Privacy-first: No sign-up, no cloud sync, no trackers. Your data stays on your phone. • No model training on your data: We don’t use your information to train AI—ever. • Evidence-based: Features and recommendations are grounded in published studies; we cite sources where relevant. • Free to use: Built to be useful and accessible from day one. What you can do • See research distilled into plain language so you can make informed choices about training, recovery, and habits. • Track only what you want (workouts, metrics, notes) and keep it local—enable/disable modules anytime. • Review clear trends and progress summaries computed on-device. • Export or back up your data whenever you like, under your control. What we don’t do • No accounts or logins • No ads, pushy prompts, or dark patterns • No data collection, selling, or sharing • No background uploads or analytics • No training of models on your data Who it’s for Anyone who wants smart, research-backed fitness tools without giving up their privacy—athletes, beginners, coaches, and privacy-conscious users alike. Transparency & control • View exactly what’s stored and delete it at any time. • All processing is performed on your device. • Clear, human-readable explanations of features and the research behind them. Disclaimer: This app provides educational information and is not a substitute for professional medical advice. Always consult a qualified professional for health decisions.