Best ChainFlow alternatives: apps like ChainFlow: Interval Timer

Old-Timer Interval Timer

by Paul Boal

Free

This app provides a straightforward interval timer for run/walk training. Configure work, rest, warm-up, and cool-down durations, along with repetition counts. It offers voice announcements or tone alerts for phase changes, making it easy to follow your workout without constant screen checking.

Rep Repeat

Personalized Interval Timers

Free

Create and run custom interval timers for any timed workout, including HIIT and circuit training. Get audio or vibration cues and control workouts from your Apple Watch. Unlock unlimited features with a one-time purchase.