SwiftKey predicts the next word a user intends to type and learns from previous messages to output predictions based on current input and learned data. SwiftKey 4 also brought SwiftKey Flow which lets users write whole phrases without lifting a finger.
Due to the limitations Apple has placed on iOS, SwiftKey will likely be available to only the SwiftKey Note application. Even if a SDK is made available to other applications, Apple would need to implement the keyboard itself for system wide availability.
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