Chess Arsenal does not collect personal information of any kind.

Chess Arsenal makes use of crash reporting and analysis tools from Google Firebase to help improve the product.  By using Chess Arsenal, you are agreeing to the terms of Google Firebase.

In the event of certain app errors, a user is given the option to email a PGN-formatted export of her or his database to the developer.  This file, if mailed, will be used only by the developer of Chess Arsenal, and for the exclusive purpose of identifying, reproducing, and fixing related problems.