If you have multiple cats, you know the struggle of keeping the litter box clean. Scooping daily can be a chore, and odor can build up quickly. Automatic litter boxes with waste drawers offer a hands-free solution. In this guide, we review three top models from Mimfam and RPZ to help you find the best automatic litter box with waste drawer for 2026. For more on managing litter box smells, check out our automatic litter box with odor control reviews.

Buying Guide

Waste Drawer Capacity

The size of the waste drawer determines how often you need to empty it. For multi-cat households, a larger capacity means less frequent maintenance. The Mimfam offers a 10-liter waste container, while the RPZ models provide 15 liters. Consider your cat count and your schedule when choosing.

Safety Features

Automatic litter boxes must stop cleaning if a cat enters. The Mimfam uses four pairs of infrared sensors and three hall sensors to halt operation instantly. The RPZ models feature touch-stop detection that stops the cycle when a cat approaches. These safety measures are essential for curious felines.

Ease of Maintenance

Look for removable waste bins and disposable liners. The Mimfam includes liner bags and a cat litter mat, making cleanup simple. The RPZ models come with a bonus litter mat and cleaning solutions. For more tips on keeping your litter area fresh, see our best automatic litter box with odor control reviews.

Design for Cat Comfort

Open-top designs give cats more room to enter and turn, which is especially helpful for large cats or those that dislike enclosed spaces. The Mimfam has a spacious top entry, while both RPZ models use an open-top layout. If your cat is hesitant about enclosed boxes, consider these designs. Learn more in our Best Low Entry Automatic Litter Box Reviews.

Final Thoughts

After reviewing these automatic litter boxes, we recommend the Mimfam Automatic Self Cleaning Litter Box for its superior safety sensors and generous top entry, ideal for multi-cat homes that prioritize cat comfort. For those who want the largest waste drawer and simple operation without Wi-Fi, the RPZ Self Cleaning Litter Box is a reliable choice with its 15-liter capacity and included accessories. Both models offer hands-free cleaning to save you time and keep your home odor-free.

Frequently Asked Questions

How often do I need to empty the waste drawer?

It depends on the number of cats and the drawer size. The Mimfam’s 10-liter drawer can last up to 10 days for a single cat, while the RPZ’s 15-liter drawer holds even more waste. For multi-cat homes, plan to empty every 3-5 days.

Are these litter boxes safe for kittens?

Yes, but always supervise kittens until they are comfortable. The safety sensors on both Mimfam and RPZ models stop the cleaning cycle if a cat is detected, reducing risk. Ensure the entrance is easy for small kittens to access.

Do I need special litter for these automatic litter boxes?

Clumping litter is recommended for all automatic litter boxes. Avoid crystal or non-clumping litters as they may not work with the sifting mechanism. Most standard clumping clay litters perform well.

Can I use the app to schedule cleaning?

The RPZ Self Cleaning Litter Box with APP (model B0HD5JL7P5) offers app control via Tuya Smart. You can start cleaning remotely, set sleep mode, and view activity logs. The other RPZ model and the Mimfam do not require an app, making them simpler to operate.