How do I turn off SwiftKey Auto Insert Predictions?

To turn off autocorrection, follow the below steps:

1. Open your SwiftKey app
2. Tap 'Typing' 
3. Tap 'Typing & Autocorrect'
4. Uncheck 'Auto insert prediction' and/or 'Autocorrect'

Please note this will not turn off the prediction bar. 

Read more: Can I turn off the SwiftKey prediction bar?