fitness apps Digital SoulCycle Spins Into the Growing Mobile Fitness Market With Its New App SoulCycle is known—and often parodied—for making spin classes a national craze. Until now, the buzz mostly came from word-of-mouth. But today, the brand launches a mobile app, supported by one of its first-ever marketing videos. Digital Can Brands Ride the Next Wave of Fitness Apps and Wearables? A new set of investments from big-name brands Nike, The North Face and Tory Burch are bringing some much-needed utility and appeal to mobile apps that keep them afloat.