After you update/install CO:Writer Universal iOS on your device, you have to add the keyboard to your keyboard list and give it access.
There is no momentary dictionary when using the Co:Writer Universal iOS keyboard.
Steps to Adding the Co:Writer iOS keyboard to the third party list:
On Your iOS device navigate to settings>>general>>keyboard
Tap on Keyboards.
Tap on Add New Keyboard.
Under third party keyboards tap on Co:Writer Universal.
On the keyboard list tap the arrow to the right of the Co:Writer Keyboard.
Make sure Allow Full Access is turned on. (Slider should be green)
Tap on the home button.
The Co:Writer Universal iOS keyboard is now ready to be used.
(When you log into the keyboard you log in through the Co:Writer Universal iOS app. Once logged in double tap the home button and click back into the app you are using the keyboard in.)