What does Pause Button look like on Apple?

On Apple it is the design shipped in iOS 26.4, shown above at full size. Older revisions are listed beneath it.

When did Apple add Pause Button?

Apple first drew Pause Button in iOS 9.1, released October 21, 2015.

Apple Inc. has shipped 21 versions of Pause Button. Each is dated, so you can see when the design changed.

Apple iOS 12.2

This is the design Apple introduced in iOS 12.1, shipped again unchanged. It was not redrawn for this release.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Pause Button look like on Apple?: On Apple it is the design shipped in iOS 26.4, shown above at full size. Older revisions are listed beneath it.
When did Apple add Pause Button?: Apple first drew Pause Button in iOS 9.1, released October 21, 2015.
How many times has Apple redrawn Pause Button?: Apple Inc. has shipped 21 versions of Pause Button. Each is dated, so you can see when the design changed.