Hasnt been updated to Stockfish 6

Stockfish 6 is available. But the ios version of this program hasnt been updated for so long. Please update the code especially to the latest version of Stockfish 6 which is extremely strong and ahead of Komodo 9.3 with the latest update. Maybe in a short time Stockfish 7 is on the way.

GMtekin about Stockfish Chess, v2.13.0