Whisker Litter-Robot 4 vs PetSnowy SNOW+
Our call: Whisker Litter-Robot 4 (PetScore 90 vs 78) — but the cost lines below can flip it for your household.
★ Our pick
Whisker · Litter box
Litter-Robot 4
multi-cat households done scooping
90PetScore
No subscription
Sticker$699
Total (3 yr)$1,131
PetSnowy · Litter box
SNOW+
anti-tracking design, watch the liner costs
78PetScore
No subscriptionProprietary refills
Sticker$459
Total (3 yr)$963
| Line item | Whisker Litter-Robot 4 | PetSnowy SNOW+ |
|---|---|---|
| Category | Litter box | Litter box |
| Street price | $699 | $459 |
| Subscription | None | None |
| Consumables | ~$12/mo (any clumping litter + optional liners/filters) | ~$14/mo (proprietary liner refills — the hidden line item) |
| Proprietary refills | No | Yes — lock-in |
| Works offline | Yes | Yes |
| Run rate after purchase | $12/mo | $14/mo |
| Year-1 total | $843 | $627 |
| 3-year total | $1,131 | $963 |
| PetScore | 90/100 | 78/100 |
The verdict
Buy the Whisker Litter-Robot 4 if you want the better overall package — it leads the PetScore 90 to 78 and is the stronger fit for multi-cat households done scooping.
Buy the PetSnowy SNOW+ if its strengths match your household — it's built for anti-tracking design, watch the liner costs. It's also the cheaper one to own: $963 vs $1,131 over three years, a gap of $168 that may settle the question by itself. Either way, the receipts are on each device's true-cost page.