Is Apple Music only for Apple devices?

No. Apple Music is strongest inside the Apple ecosystem, but it is not restricted to Apple hardware. It also works on Android, on the web, and across a range of third-party devices and platforms.

The reason this misconception survives is that Apple Music does have a clear centre of gravity. Its strongest case is still people who already use iPhone, AirPods, Apple Watch, HomePod, CarPlay, or other Apple services as part of everyday listening, which is why people reduce it to a narrower stereotype than it really deserves.

The better question is not whether Apple Music can run elsewhere, but whether its best advantages still matter enough if you are not deep inside Apple's hardware and software stack. The real test is whether the service still holds up once you move beyond its most obvious audience and ask how it fits your own habits.

That makes Apple Music broader than the stereotype, but not infinitely broad. Its strengths remain tight Apple ecosystem integration, polished library management, lossless audio, Spatial Audio, and a premium-feeling app experience, and those strengths still point more naturally toward some users than others.

Source: Official: Apple Music