Runo is a metronome app designed specifically for runners. Set your target cadence from 120 to 220 SPM, hit play, and your body naturally syncs to the beat. It works alongside your music, podcasts, and audiobooks. Key features include precise BPM control, Apple Watch app with haptic feedback, Strava integration, Bluetooth heart rate monitor support, and social leaderboards. Backed by 6 peer-reviewed studies showing that training at 180 SPM reduces impact forces and improves running economy. Available on iOS, Android, and Apple Watch. 4.7 star App Store rating.