SwiftKey has made all of its keyboard themes free. This applies to both Android and iOS, giving users on both platforms access to all kinds of different at no charge.
To get to the free themes on Android, you tap the three-line hamburger icon on the left side of the prediction bar, open the Themes panel, and select SwiftKey Store. Meanwhile, iOS users should open SwiftKey’s container app and then tap the red Design icon in the top right.
This is a nice gesture from SwiftKey, letting their users truly customize their keyboard to their liking. Previously, some folks may have been hesitant to get a buy a bunch of themes, but now SwiftKey users can find the theme that fits them best without worrying about spending anything.