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42 Seconds is the ultimate app for creating and customizing HIIT routines. With an intuitive interface, you can easily add and organize activities to build your ideal workout, whether you’re a beginner or a seasoned fitness enthusiast.

The app supports voice commands for each activity, helping you stay focused during your session (just ensure your phone's silent mode is off). After completing a workout, you can save it to Apple Health, track your progress with our Insights feature, and share your results on social media.