Smarty Pear Leo's Loo Too vs Whisker Litter-Robot 5 Pro
Researched by Riley Hart · prices checked Oct 26, 2026
As of Oct 26, 2026, the Smarty Pear Leo's Loo Too costs $700 and the Whisker Litter-Robot 5 Pro costs $999, so the Smarty Pear Leo's Loo Too is $299 cheaper. The Whisker Litter-Robot 5 Pro has a published review score and ranks #10 in our self cleaning litter boxes ranking; the Smarty Pear Leo's Loo Too is not scored yet. Pick the Smarty Pear Leo's Loo Too for odor control in small apartments. Pick the Whisker Litter-Robot 5 Pro for multi cat homes wanting health tracking.
- Cat weight
- 2 lb minimum
- Litter
- Clay clumping litter
- Waste drawer
- Lidded drawer
Leo's Loo Too is a large drum box that testers credit with strong odor control thanks to its UV light and carbon filter. It is pricey and bulky, and one Rover tester's cat hissed at the cycle noise and avoided it. Keep a backup box until a nervous cat adjusts.
Full Smarty Pear Leo's Loo Too review →- Cat weight
- 3 to 30 lb
- Max cats
- Up to 5
- Litter
- Clumping clay
- Waste drawer
- Sealed
The most complete self cleaning box we list, aimed at multi cat homes that want to see who used the box and track weight trends. If you do not need cameras, the Litter-Robot 5 does the same cleaning for $100 less, and some smart features sit behind a monthly membership.
Full Whisker Litter-Robot 5 Pro review →Side by side
| Smarty Pear Leo's Loo Too | Whisker Litter-Robot 5 Pro | |
|---|---|---|
| Price | $700 | $999 |
| 3 year cost | $781 | $1,155 |
| Our score | Not scored yet | 6.4/10 |
| Rank in Litter box | #17 | #10 |
| Status | on sale | on sale |
| Warranty | n/a | 1 year (WhiskerCare), extendable to 3 years; 90 day in home trial |
| Cat weight range | 2 lb minimum (Rover); 55 lb maximum (The Gadgeteer) | 3 to 30 lb |
| Max cats | Not stated | Up to 5 |
| Waste drawer | Lidded drawer with drawstring liners, filled in 7 to 9 days for one cat (NBC Select) | Sealed drawer with carbon filter, about 10 days between emptyings for one cat (maker claim) |
| Sensors | Radar wall, weight detection and anti pinch sensor | Multiple lasers, SmartScale weight sensing, WasteID urine vs stool detection, SafeCat system |
| App | Casa Leo app with visit log and remote cleaning; Alexa and Google voice control | Whisker app; dual 1080p night vision cameras; Whisker+ optional at $7.99/month |
| Litter type | Clay clumping litter | Clumping clay recommended; crystal, plant based, paper and pellet litters not recommended |
| Size | 22 x 24 x 27.6 in, needs about 1 in wall clearance | 22 x 27 in footprint, 29.9 in tall, 15.75 x 15.75 in entry, 29.6 lb empty |
| Noise | 30 dB (maker claim per Tractor Supply) | No dB rating published; QuietSift motor |
| Best for | odor control in small apartments | multi cat homes wanting health tracking |
| Skip if | your cat is noise sensitive or space is tight | you do not want a subscription or cameras |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Smarty Pear Leo's Loo Too
- Rover: No noticeable drawer smell after an 11 day absence and the app identified a cat by weight; one cat kept hissing at the cycle and avoided the box. Source
- NBC Select: Used for over six months with one cat in a New York City apartment; the drum stopped when the cat approached, and the drawer filled in about 7 to 9 days. Source
- The Gadgeteer: Odor was much lower than a standard box and the cat adjusted within hours; weight sensing may not work on carpet or soft floors. Source
Whisker Litter-Robot 5 Pro
- Cats.com: Named Overall Best in its October 2026 roundup of 38 tested models. Source
- Cats.com (4.6/5): Odor control and sifting matched the Litter-Robot 4; reviewer could not test facial recognition without Whisker+ and questioned whether cameras justify the extra $100. Source
- 9to5Toys: Quieter and sturdier than the Litter-Robot 4 with better odor control; bin full alert sometimes fired at about half capacity and urine was sometimes labeled as solid waste. Source
Pros and cons
Smarty Pear Leo's Loo Too
Pros
- Strong odor control in two long tests
- Radar stops the drum when a cat approaches
- Works with Alexa and Google
- Uses common clay clumping litter
Cons
- High price for its class
- Large footprint, 27.6 in tall
- One tester's cat avoided it over noise
- Weight sensing may fail on carpet
Whisker Litter-Robot 5 Pro
Pros
- Supports up to 5 cats from 3 to 30 lb
- Dual cameras plus weight based cat tracking
- Large sealed drawer, about 10 days for one cat
- 90 day trial from Whisker
Cons
- Most expensive box in this list
- Facial recognition and long history need Whisker+
- Settings change only in the app
- Reviewers report early bin full alerts and some urine mislabeled as stool
Questions buyers ask
Which is better, the Smarty Pear Leo's Loo Too or the Whisker Litter-Robot 5 Pro?
The Whisker Litter-Robot 5 Pro has a published review score and ranks #10 in our self cleaning litter boxes ranking; the Smarty Pear Leo's Loo Too is not scored yet. Pick the Smarty Pear Leo's Loo Too for odor control in small apartments. Pick the Whisker Litter-Robot 5 Pro for multi cat homes wanting health tracking.
Which is cheaper?
The Smarty Pear Leo's Loo Too at $700, versus $999 for the Whisker Litter-Robot 5 Pro, checked Oct 26, 2026. Over 3 years with running costs: $781 vs $1,155.
What is the difference between the Leo's Loo Too and the Litter-Robot 5 Pro?
Cat weight range: 2 lb minimum (Rover); 55 lb maximum (The Gadgeteer) on the Leo's Loo Too, 3 to 30 lb on the Litter-Robot 5 Pro. Max cats: Not stated on the Leo's Loo Too, Up to 5 on the Litter-Robot 5 Pro. Waste drawer: Lidded drawer with drawstring liners, filled in 7 to 9 days for one cat (NBC Select) on the Leo's Loo Too, Sealed drawer with carbon filter, about 10 days between emptyings for one cat (maker… on the Litter-Robot 5 Pro.
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All self cleaning litter boxes, ranked
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