In a way, I like the litter better than a Ugodog with pee pad, because it is more environmentally friendly as well as a LOT less expensive.
OTOH, a Ugodog is a LOT more portable, and there is no worry of the dog swallowing pellets. For some reason, if kodi sees me cleaning the litter box, he immedieately goes over and starts trying to eat it. That's the ONLY time he does this, but I either have to clean the box when he's busy with someone else, or I have to cover the litter until he forgets about it again.
I ended up buying the Rascal Dog boxes, which can be used with litter, with a grate with XXX under it, or with a grass pad over the grate. The grass pads got smelly really fast, and NOTHING I did got the smell out enough for me to be willing to have them in the house. Then I tried the grate with a pee pad under it. Kodi will pee on this, but absolutely refused to poop on the grate. I eventually just went back to using the Rascal Dog boxes as a litter box, with the grate to cover it when he starts trying to eat it. (I take it off again once he's lost interest, so it is available if he wants to poop indoors, which doesn't happen often anyway)
The Rascal Dog boxes are great... Especially for for dogs that need to circle before they poop.
the ONLY problem with them is that they are expensive.