Correct, within the Apple ecosystem — Mac, iOS.

josteink · on June 13, 2019

So not so much cross platform as it’s commonly used, but rather multi-targeting within the Apple-platform.

fastball · on June 14, 2019

Mac OS / iOS / tvOS / WatchOS are certainly different platforms. The iPhone and the Mac are very different products with very different use cases, so of course they are different platforms.

It's not "all-platform", but this is definitely "cross-platform".