This app transmits heart rate data from an Apple Watch to a compatible iPhone app for display during fitness classes. It shows intensity, training zones, and energy expenditure without needing a chest strap.






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Whether you want more options like VerTest or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.








This app transmits heart rate data from an Apple Watch to a compatible iPhone app for display during fitness classes. It shows intensity, training zones, and energy expenditure without needing a chest strap.






This app offers real-time mental health support with personalized tools for comfort, clarity, and calm. It provides guided exercises like breathwork, meditation, and journaling to help users navigate life's challenges, big or small.