Apps Like Next Up - Interval Timer for iPhone and iPad
Customize intervals with reps and sets
Customize timers with adjustable reps, sets, colors, and sounds. Choose between detailed view with auto-scrolling intervals or full-screen mode. Support portrait and landscape orientations. Track progress with visual cues and controls.
by Alysha Kwok★ 4.72,830 ratingsHealth & FitnessFreeData updated 2026-09-14
Plan weekly workouts, set custom interval routines, and reuse templates. Access AI coaching tailored to fitness level. Sync with Apple Watch and Apple Health. Track weather insights to adjust training. Monitor progress with detailed logs.
The app calculates arithmetic mean, geometric mean, and harmonic mean. It also computes standard deviation and confidence intervals for saved data sets, with results available for emailing.