What's the best iOS app for improving flexibility, warming up before exercise, and maintaining stretching accountability?

Bend: Stretching & Flexibility is a highly-rated iOS app designed to help users improve their flexibility, warm up before workouts like running, and stay accountable with their stretching routines. It offers a complete set of stretches and hands-free routines, allowing users to follow along without needing to constantly touch their phone. The app's AI builder can even suggest stretches based on specific issues, such as tennis elbow, mirroring recommendations from physical therapists. Bend also includes features like haptic feedback on Apple Watch to signal the next set, making it easier to follow routines without looking at the screen. The app helps users stay consistent with their stretching by providing a structured approach and keeping them engaged. To use Bend, simply download the app, create an account, and choose a pre-designed stretching program or create a custom routine based on your needs and goals. The app will guide you through each stretch with clear instructions and timers, ensuring proper form and duration.