Best fitness app user enjoyment metrics tools in 2025

🏋️‍♂️ Exercise performance metrics 🎯 Exercise tracking technology 🎯 Fitness app customization 🎯 Fitness app engagement features 🎯 Fitness app recommendations 🎯 Fitness app user challenges 🎯 Fitness app user community 🎯 Fitness app user enjoyment 🎯 Fitness app user metrics 🎯 Fitness app user motivation 🎯 Fitness app user performance 🎯 Fitness app user tracking 🎯 Fitness tracking programs 🎯 Workout metrics 🎯 Workout performance solutions