The perfect intervals app
Response from developer
Glad you like it Slithering Serpent! Don’t hesitate to reach out if you have any recommendations.

This app provides a customizable interval timer for runners. It offers audio cues, voice announcements, and haptic feedback to guide users through warmups, hard efforts, easy recovery, and cooldowns. The timer works with the screen locked and features live activity updates.
1.6.0
October 14, 2026
AI Workout Builder -- Describe the run you want in plain language and get a fully structured interval workout you can save, edit, and run. Follow up in conversation to refine it. Accounts & Cloud Sync -- Sign in with Apple to sync your workouts and history across devices automatically. Your data stays safe even if you switch phones. Live Pace Tracking -- GPS-powered real-time pace displayed during every interval. Set target paces per interval and hear spoken pace cues at your chosen frequency. Workout Sharing -- Share workouts with friends via a link. Recipients can open it directly in PaceCue or download the app from the link's landing page. Per-Interval Splits -- See detailed splits after every run with actual time, distance, and pace compared against your targets. PaceCue Pro -- Optional subscription unlocks unlimited AI-generated workouts and premium features. The core timer remains completely free.
MoreGlad you like it Slithering Serpent! Don’t hesitate to reach out if you have any recommendations.
PaceCue is a free interval timer designed specifically for runners. It helps you structure workouts with custom intervals and provides audio, voice, and haptic feedback to guide your training sessions.
No, PaceCue is completely ad-free. The app is designed to provide a distraction-free running experience without any advertisements.
Yes, PaceCue allows you to build custom interval workouts with repeating blocks for warmups, hard efforts, easy recovery, and cooldowns.
PaceCue offers audio beeps, voice announcements, or both, along with haptic feedback to signal interval changes. It also provides countdown warnings before each transition.
Yes, PaceCue is designed to work with your screen locked, ensuring you can focus on your run without needing to interact with your phone.
PaceCue currently supports iPhones. It also features Live Activity on the Lock Screen and Dynamic Island for real-time updates.
The latest version, 1.4.0, was released on September 17, 2026, indicating recent development and support for the application.
PaceCue comes with several preset workouts to get you started, including options like 5K Speed, Tempo Run, and Pyramids.