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Fitbit Air 30-Day Review: The $99 Subscription-Free Wearable Tested
A hands-on 30-day review of the $99 Fitbit Air, a screenless, subscription-free wellness wearable. The reviewer wore it every day for a month through international airports, a week-long tennis camp in Bali, and intensive training in tropical heat, comparing it head-to-head against WHOOP 5.0. The verdict: the Fitbit Air excels at comfort and sleep tracking and offers roughly 80% of the value at 20% of the cost, but its thin, older sensor hardware lags behind WHOOP during high-intensity exercise, and the Google Health app is still rough around the edges.
Matthew Rosenthal
Matthew Rosenthal is CEO and Co-Founder of SewerAI, the AI-powered platform transforming how cities inspect and manage underground sewer infrastructure. A Carnegie Mellon-trained engineer who worked at Fitbit and founded Centosette (acquired 2010), Rosenthal pivoted into sewer tech after recognizing that one million miles of U.S. pipes were being assessed with 20-year-old software. SewerAI's Pioneer platform and AutoCode AI have now processed over 135 million feet of sewer inspection footage, slashing inspection costs by 40-70% and saving municipalities tens of millions of dollars. In June 2024, Rosenthal closed a $15M Series B led by Innovius Capital, bringing total funding to $18.5M.