Lein Design Inc.

Stop doing mental math mid-mile or staring at your wrist. PaceFlip is a distraction-free Run/Walk interval timer built for iPhone and standalone Apple Watch workouts. Whether you are building toward a 5K, training for a half or full marathon with run-walk intervals, or taking daily fitness walks, PaceFlip handles the timing so you can focus on your pace.

Why Runners & Walkers Choose PaceFlip:

• Fast Setup, Zero Math: Set your Warm-Up, Run, Walk, Cycles, and Cool-Down in seconds with automatic total time calculation.
• Eyes-Free Cues: Distinct wrist haptics and smart voice prompts tell you the exact moment to flip between running and walking.
• Music & Podcast Friendly: Gently lowers your audio volume for voice cues without cutting off your playlist.
• High-Contrast Progress Ring: See your current phase, remaining interval time, and cycle count at a glance.
• Standalone Apple Watch App: Run phone-free and sync every workout directly to Apple Health.
• One-Time Purchase: No subscriptions, no ads, and zero data tracking.

Download PaceFlip on the App Store today and take control of your intervals!