The Modkat XL litter box reduces litter tracking and is beautifully designed. The reusable liner also makes it easy to clean. However at around $150 it is one of the more expensive litter boxes on the market.
The ScoopFree litter box does scoop automatically when used properly. Most users recommend buying a reusable tray instead of the disposable ones, and there are even some people who suggest using a high quality clumping litter instead of the crystals.
If you need to travel with your kitty then this box is ideal because it folds up neatly taking up very little space and it can easily be wash by hand. It could also be used as a back up should something happen to your main litter box.
Note: The Necoichi portable litter box should not be used as a main litter box and because it is made to be easily washed it does not come with disposable liners.
If you hate having an ugly cat litter box in your home then the hidden litter box may be for you. It’s large capacity means that it is suitable for large or multiple cats and it has a filterd vent system to control dust and odor. Some users have customized it by changing the plant and painting it.
The catgenie self washing litter box is a great option if you either hate scooping litter or are away a lot. But at around $260 it is expensive and needs to be connected to a water supply and an electric outlet which limits where you can keep it. Also some users complain of a bad smell during the drying cycle so this box will not be for everyone.
The Petmate Retracting Litter Pan is great for larger cats or multi cat households, and is effective as reducing litter scatter. However the plastic is a little flimsy but for only around $27 it is still good value.