SakaSperto is a chess extension for chess.com that will help you get better at chess. It's a Chrome extension, which means that it works in the background and doesn't affect your overall performance.

The first thing we need to say about SakaSperto is that the user interface is really nice and easy to use. The design is clean and the whole app is extremely easy to navigate. This is one of the best chess apps in terms of usability and ease of use. The app is free to download, so there are no subscription fees to worry about.

The tool gives you suggestions, helping you make the best possible moves. It also warns you of blunders.