Interval Timer by STRNTH by Next Big Leap Ltd
Workout & HIIT interval timer





10+ similar apps compared and reviewed
Whether you want more options like Interval Timer or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






















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This interval timer helps you manage work and rest periods for various fitness activities like HIIT, tabata, and strength training. It offers customizable settings for timers, repetitions, and series, with audible and visual cues to guide your workouts.