Question: Is there a personal health assistant that provides a comprehensive health score and daily challenges to help me reach my fitness goals?

First up is Gyroscope. The app aggregates data from a range of popular wearables to track sleep, resting heart rate, fitness activities and other health data. It scores you on that data with a single Health Score, and offers coaching through daily quests and reports. It also can link to wearables and apps to automatically assess the quality of your meals and how many calories you're consuming. With three tiers of subscription plans, Gyroscope can be adapted to suit your needs and goals.

Another contender is Welltory, an integrated wellness service that connects to more than 1,200 supported apps and devices. It offers a dashboard view of stress, energy and sleep, plus personalized data on your workouts and daily advice based on artificial intelligence analysis. By connecting to fitness trackers and other health-related devices, Welltory can help you track your progress and make better decisions about your habits. It's designed to improve sleep, exercise and stress, so it's a good option if you're looking for a tool that can help you sustain improvements to your well-being.

If you're interested in marrying genetic data with biometric data, Alter offers a personalized fitness program. Alter combines DNA tests with wearable data to generate workouts, recovery plans and nutrition advice. The program also includes daily workouts, sleep optimization advice and access to elite coaches. The integrated approach can help you achieve your fitness goals more effectively.