Subscription health and fitness services are spreading like wildfire, but they're not necessarily good for you or the industry.
Oura Ring vs. Ultrahuman Ring Air — which is the best smart ring?
Subscriptions are quickly ruining fitness trackers
Wearable Technology: How and Why It Works
Best Fitbit 2023: Top fitness trackers and smartwatches
Best Fitbit fitness trackers and watches in 2024 - The Verge
Parenting advice: My daughter has become a famous fitness model. But how I feel about her isn't very healthy.
Smart Watches Hold Promise to Detect Disease and Improve Health
The future of smart fitness is subscriptions, but it shouldn't be
Health - Health, Nutrition, and Training - Outside Online