O Swiftkey one of the oldest and best-known keyboards in the Google Play store, and has a large community of satisfied users. The premium version of the app was paid, but now it's completely free.
AndroidPIT
The keyboard itself costs nothing more, but the company responsible for the application has opened the SwiftKey Store, which offers in-app purchases including premium themes, new emojis, and other extras. In addition, an update brought news such as a more efficient predictive engine, more language support, and swipe writing optimization.
