Purchasing the Pro Features does not work.
If you have problems purchasing the Pro Features please check the following:
- It sometimes happens that the App Store is down. Please check Apple's system status
- Make sure In App Purchases are enabled on your device
- Make sure the payment information on your Apple ID is valid
- In the App Store app make sure you are signed in with the correct account and you have selected the correct store for your country
- Try restarting Wokabulary (on the iPhone or iPad force quit the app by pressing the home button twice and swiping the Wokabulary window out of screen)
- Try restarting your device
- If you are on the Mac, please try to delete the Wokabulary app and re-install it.