Apple acquired PA Semi in 2008 then Intrinsity in 2010. They have been using their own ARM cores since 2012 with the A6 SoC https://en.wikipedia.org/wiki/P.A._

Apple acquired PA Semi in 2008 then Intrinsity in 2010. They have been using their own ARM cores since 2012 with the A6 SoC https://en.wikipedia.org/wiki/P.A._Semi https://en.wikipedia.org/wiki/P.A._Semi https://en.wikipedia.org/wiki/Intrinsity https://en.wikipedia.org/wiki/Intrinsity https://en.wikipedia.org/wiki/Apple_A6 https://en.wikipedia.org/wiki/Apple_A6