The phrase "a completely different category" is correct and usable in written English.
It can be used when comparing two or more items, concepts, or ideas that are fundamentally distinct from one another.
Example: "When it comes to customer service, our company operates in a completely different category than our competitors."
Alternatives: "a whole new level" or "an entirely separate classification".
The Create objects occupy a completely different category.
You'll probably see something this year in a completely different category".
Instead, suggests Hsieh, the real changes might come with a completely different category: wearables.
Then we have dunkelweizens, dark wheat beers, a completely different category.
"I think that J K Rowling is in a completely different category," he says.
[But] the switchover surplus is in a completely different category - it has no impact on the BBC's core programmes and services budget".
Mobrem doesn't want to share too much about this publicly, but the bigger picture he has now is an ambitious plan to tie task management to a larger productivity play that brings in completely different categories of services, looping in more natural and predictive actions along the way.
We are all dying, day by day: do the terminally ill really occupy a completely different moral category from the rest?
If the odd square was shown to the right visual field and it was from a completely different color category in English, like a green square compared to the ring of blue squares, then subjects were quick to identify it as different.
Under the skin, it shares a lot with the solid and dependable Freelander but daring styling, foreshadowed by the dramatic LRX concept car, and outstandingly luxurious cabin design that wouldn't shame a full-size Range Rover, have shifted it into a completely different price category.
Though Blue Christmas celebrations mean well, they don't help us integrate the real sorrow we feel with the real joy of the holidays because they end up separating the two altogether, placing them in completely different categories.
