Apple has also ventured into this territory with the Apple Watch Series 9 and Apple Watch Ultra 2, enabling users to ask Siri about their health data. While not a full coaching service, Siri can handle “fitness-related queries” with on-device processing, eliminating the need to send user data to external servers.
WHOOP, on the other hand, introduced WHOOP Coach, a service designed to be a personal trainer in your pocket. It utilizes OpenAI’s GPT-4 combined with WHOOP’s algorithms to provide answers to questions about sleep, fitness, and more while emphasizing user privacy.
