The future of Apple Fitness+ is “under review” amid a reorganization of the service, according to Bloomberg‘s Mark Gurman.

In the latest edition of his “Power On” newsletter, Gurman said that Apple Fitness+ remains one of the company’s “weakest digital offerings.” The service apparently suffers from high churn and little revenue.

Nevertheless, Fitness+ has a small, loyal fanbase that makes it difficult for Apple to shut it down “without a backlash.” The service is sufficiently inexpensive to operate…