The interface of this add on gets in the way more than it ever does any good.
Who on earth wants a little circle blocking the last letters of their search bar? This should ONLY be available threw the right click context menu like the way we have accessed additional features for decades.
Like a good special effect in a movies, you shouldn't know you even have an add on until you need it, and then it's access should be minimalist. Not an add to sell you coming to your web site.
Why would I EVER pay you if you are this annoying for free.
This app will only HELP you learn better English because it is SUCH a bad experience you will get better to avoid it.
Sadly... it still appears to be the best.
I perform an unnatural act for FOSS version. Or one that simply used google like enhanced spelling does on chrome.