At-home workouts, health, and wellness apps have become very valuable tools for consumers trying to tackle the "quarantine 15" as they come out from hiding. According to Jamie Drayton, Similarweb Senior Industry Manager, the fastest-growing fitness brands in 2021 have "capitalized on consumers' New Year's resolutions and shown us that at-home fitness is here to stay" even with the reopening of gyms! So, which fitness brands have grown the most in this environment, and what's driving their success?

To help answer this, we'll rank the top fastest-growing fitness brands using Period-over-Period (PoP) traffic data from Similarweb Research Intelligence.