Poopy Nova Pro Litter-Robot 4: The Honest Comparison (2026)
Anyone looking for an automatic litter box will sooner or later come across two names: the Litter-Robot 4 from the American company Whisker—the best-known worldwide—and the Poopy Nova Pro, the best-selling model in the Netherlands. We make the Nova Pro , so feel free to take this comparison with a grain of salt. That’s why we’ll stick to verifiable facts—and we’ll also be honest when the Litter-Robot is the better choice.
The Comparison at a Glance
| Poopy Nova Pro | litter-Robot 4 | |
|---|---|---|
| Price | €449 (Polar White) · Special Editions starting at €349 (available for pre-order) | approximately €799 at Dutch stores |
| Suitable for | Up to 3 cats, starting at 1 kg / 3 months | Up to 4 cats, according to the manufacturer |
| Safety | Weight sensors; cleans only when the bin is empty; open design | Sensors; cleans only when the bin is empty |
| App | Yes, iOS and Android | Yes, the Whisker app |
| Filling | Any clumping filling | Any clumping filling |
| Fixed operating costs | Only trash bags | Trash bags plus carbon filters (replaced approximately once a month) and optional OdorTrap refills |
| Trial period | 50-day trial period | 90-day return policy |
| Warranty | 2 years | 2 years (renewal for a fee) |
| Service | Our own Dutch team in Gilze, available via WhatsApp and email | International customer service, through the online store where you make your purchase |
Prices and terms as of July 2026, as listed by Dutch retailers. Always check the current price.
What the Litter-Robot 4 Does Well
Let’s be honest: there’s a reason the Litter-Robot is the best-known brand in the world. It’s a proven machine with millions of users, a well-developed app, and a generous 90-day return policy. If you have four cats, Whisker also claims to have a larger capacity than we do. If you’re simply looking for the best-known brand and money isn’t an issue, then it’s an excellent choice.
Where the Nova Pro Makes Nova Pro Difference
1. The price, and what you get for it. The price difference is about 350 euros. For that difference, you can literally buy a year’s supply of cat litter, a drinking fountain, and a litter box mat from us—and still have money left over. The technology that matters is included in both: sensors, safe cleaning, odor control, and an app.
2. Lower fixed costs. The Litter-Robot uses its own consumables, such as carbon filters that you replace about once a month and OdorTrap refills. With Poopy , you only Poopy waste bags; you choose the filling yourself, and with an Essentials, it’s automatically delivered at a discount.
3. Service in your own language, just a text message away. If something goes wrong, just text our team in Gilze, and we’ll quickly arrange for a replacement part or a solution. With an American brand, you’d have to go through international customer service or the store where you made your purchase. For a device that runs every day for years, that difference is greater than it seems.
4. Directly from our Dutch inventory. If you order today, we’ll deliver it to your door within 1 to 2 business days, and returns are accepted anywhere in the Netherlands.
What about the trial period?
Whisker offers 90 days; we offer 50. That difference deserves a fair explanation: in practice, you’ll know within two to three weeks whether your cat has gotten used to it. Our 50 days are more than enough for that, including a gradual introduction using the acclimation guide. But if you absolutely want the longest cooling-off period, then the Litter-Robot wins this round.
Which container is for whom?
Choose the Litter-Robot 4 if: you have four cats, want the best-known international brand, and budget isn't an issue.
Choose the Poopy Nova Pro : you want the same core technology for nearly half the price, with Dutch customer service, low operating costs, and fast delivery. With over 1,600 reviews and a 4.3 rating on Trustpilot, you won’t be the first to give it a try.
Are you still unsure about automatic litter boxes in general? Then read our complete guide to automatic litter boxes first.
Frequently asked questions
Is the Nova Pro enough for a Maine Coon?
Most large cats fit just fine. Since it varies from cat to cat, you get a 50-day trial period: if it doesn't fit, return the litter box and get your money back.
Do both litter boxes work with regular cat litter?
Yes, both use clumping litter of your choice. The difference lies in the other supplies: the Litter-Robot uses its own filters and refills, while Poopy waste bags.
Can I try the Nova Pro ?
Yes, 50 days. If your cat doesn't take to it, just send it back clean and in its original condition, and you'll get a full refund.
Want to compare them yourself?
Check out the Poopy Nova Pro or all automatic litter boxes. Questions? Our team in Gilze is just a message away.
