Reps & Sets works on iPad, iPhone, and Apple Watch. Reps & Sets 26 is a brand-new strength training app designed exclusively for iPhone, iPad and Apple Watch. It was developed by a long-time Cult of ...
Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. April 10, 2026 Add as ...