Quantify your flexibility progress using photographic evidence and precise angle measurements. This app helps you visualize and track your stretching improvements over time with a built-in protractor and progress diary.




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Whether you want more options like RepStreak or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.




Quantify your flexibility progress using photographic evidence and precise angle measurements. This app helps you visualize and track your stretching improvements over time with a built-in protractor and progress diary.












Understand your body's readiness for training with AI-powered recovery tracking and personalized insights. Log workouts efficiently, monitor muscle recovery, and compete with a global community to optimize your fitness journey.