The one that buys back an hour a week · review
The ScoopFree built around ordinary clumping litter instead of crystals, with a waste bin rather than a disposable tray. It is the cheaper box to run of the two, and the one that lets you keep the litter your cat already accepts.
The bottom line The ScoopFree to buy if you have a litter your cat already accepts. It removes the daily scoop without introducing a proprietary consumable, and that makes it cheaper to live with than its crystal sibling however the purchase prices compare on the day.
The same rake mechanism as the rest of the ScoopFree range, built around clumping litter and an enclosed waste bin instead of crystals and a disposable tray. PetSafe states it works with clumping litter and most other types, which is the whole point of this version.
A rake box succeeds or fails on how firmly the clump sets. The rake has to lift the clump in one piece and drop it into the bin; a litter that hardens slowly gets dragged and smeared instead, and the machine is then blamed for what the litter did. If you have been using a cheap, soft-clumping bag, this is the box that will make you change it — not because the manual says so, but because the mechanism cannot work otherwise.
There is no drum here and no sealed cassette. PetSafe suggests emptying the bin weekly, which is a shorter interval than the 10 to 15 days the large drum boxes on this page claim. For one cat that is a Sunday job. For two, it is the reason to look at the higher-capacity machines.
No app, no weight sensor, no counter, no notifications. Whether that is a missing feature or a relief depends entirely on you — but it also means one less thing to fail, and no account to create before the box works.
The same reference is listed in all six of our Amazon stores.
| Mechanism | Rake, into an enclosed waste bin |
|---|---|
| Litter required | Clumping litter — PetSafe states most other types also work |
| Trays | None required |
| Emptying | PetSafe suggests emptying the bin weekly |
| Manufacturer reference | ZAL00-17761 |
| Amazon reference | B0CBSJ3KLW (identical on 6 markets) |
| EAN | 0729849177628 |
The firmest and fastest-setting one you can find. A rake has to lift a clump intact; a litter that takes minutes to harden will be dragged through the bed instead. Fine-grained clumping clay generally does this best, and this is one of the few places where paying more per bag genuinely changes the result.
The mechanism is the same rake. The difference is what it sorts and where the waste goes: crystals and a disposable tray on the Ultra, clumping litter and a reusable bin here. Over two years, that difference is the larger part of what each box costs.
PetSafe presents it for single and multi-cat homes. The practical limit is the bin, which is emptied weekly for one cat — with two, expect to be at it rather more often, and note that the drum boxes on this page hold considerably more.
App · ~35 dB · 9 L litter · all litters except crystal
A mid-priced drum box with an ozone-ion deodorising system and the Smart Life app. It holds up to 9 litres of litter, runs at about 35 dB, and takes everything except crystal.
Best for: A European household that wants a full-featured drum box at the lower end of the price range and already has other Smart Life devices.
≈ 170 €
Open design · cats to 15 kg · 11 L waste · ≤50 dB
An open-topped drum box for cats that refuse enclosed machines, with the widest stated weight range here — up to 15 kg — and 6 infrared plus 4 weight sensors watching the cycle.
Best for: A large cat, or a nervous one that will not enter an enclosed machine — and a household that can put the box somewhere the litter scatter does not matter.
≈ £300 / 315 €
76 L drum · 7 L waste · 20 cm entry · cats 2–8 kg
The best-documented box on this page: PETKIT publishes the drum volume, the internal dimensions, the entry height, the cat weight range and the age limit. It takes any clumping litter except crystal.
Best for: A multi-cat household with adult cats between 2 and 8 kg, a hard floor, and no intention of changing litter type.
≈ 390 €
