Oneisall: Still Making Everyday Pet Care Easier, One Year Later

This review was created in partnership with Oneisall, who compensated us for our time and editorial work. However, our opinions and ratings remain entirely our own—we only recommend products we genuinely believe in, and all assessments reflect our honest experience and testing.
Our Final Verdict
When you’re reading a product review, do you ever find yourself wondering how much the reviewer really likes it? Would they buy it for themselves if it hadn’t been given to them? Do they actually recommend it to people they know? Are they still using it? Let me tell you, in the case of the cat care accessories from Oneisall: one year on, my answer is still, emphatically, YES!
Okay, in the spirit of total transparency, it hasn’t quite been a full 12 months since I was first introduced to Oneisall, but it was close enough that I simply couldn’t pass up that play on words!
I have to admit that until almost 11 months ago, when I was asked to try out a selection of their products, I hadn’t heard of this brand. Now, Oneisall is a big part of my everyday life, and the lives of my cats.
The Cordless Stainless Steel Water Fountain, 5L Automatic Cat Feeder, Air Purifier for Homes with Pets, and Ease S1 Self-Cleaning Litter Box, all from Oneisall, are among the most important pieces of equipment in my home. Not just because they’re for some of the most important members of my household, but because they have played a significant role in reducing my stress levels.
Keep reading to find out how a collection of cat products has improved my quality of life.
The Ups & Downs of Life With Five Cats
Before we go any further, I need to be clear about one thing: I love my cats. White rescue Clutch, who identifies as ‘dog’, shy Alex with his dainty crossed legs, squidgy Cyril who doesn’t understand personal space, Zelda with her penchant for hunting hair ties, and the enigmatic Zazzles, who can seemingly vanish and reappear at will. Each and every one of them, special and adored.
Then there are the not-so-wonderful aspects of living with five cats. Midnight zoomies, 5 am breakfast demands, digging in water bowls, litter boxes constantly in use, and hair on EVERYTHING. And did I mention that I also have 4 dogs?
With all the feeding, cleaning, grooming, medicating, walking, and cleaning (yes, I said cleaning twice) on top of working full-time, I started thinking of my pets as just another chore, another responsibility, a box to be ticked, not companions to enjoy.
I had tried a few cat feeding accessories and water fountains in the past, but most automatic feeders are unable to adequately cope with more than one or two cats at a time, and it seems that very few cat water fountains have been designed with ease-of-cleaning in mind.
Then, in my role of Catster veterinarian, writer, and cat parent, I was asked to try out some products from a brand I wasn't familiar with: Oneisall. The rest, as they say in the classics, is history.


Who Is Oneisall?
The story of Oneisall started, like many smaller pet companies: with an owner, a pet, and an unmet need. In 2012, Terry Zhang was searching for a way to groom her nervous rescue Border Collie, Niuniu. Frustrated by home grooming tools that were ineffective, super noisy, or prohibitively expensive, Terry decided to take matters into her own hands and established Oneisall, a company dedicated to using advanced technology to create affordable and efficient products for pets like Niuniu. Over the years, Oneisall has expanded beyond its range of high-quality grooming products, with pet vacuums, water fountains, automatic feeders, air purifiers, and most recently, self-cleaning litter boxes.
The company is always looking for ways to improve its products, putting functionality at the forefront of its designs. Oneisall isn’t trying to position itself as the most luxurious, stylish, or unattainable brand, nor is it seeking to flood the market with ‘cheap & cheerful’ knock-offs. Instead, Oneisall finds itself in the enviable position of being known for reasonably priced, thoughtfully designed, practical solutions that appeal to both pets and their owners.
Oneisall is a global brand, with its headquarters and manufacturing based in Shenzhen, Guangdong Province, China, and product distribution, customer service, and warehouses in North America and Europe.
Oneisall Cares
Another feather in Oneisall’s proverbial cap is its recent foray into the world of community support, with its new project, Oneisall Care. The program provides free pet products to adopted, rescued, and foster pets, as well as the pet parents, foster homes, and rescue partners who care for them.
Eligible participants can submit an online application and, if selected, may be gifted an Automatic Pet Feeder, Pet Water Fountain, Automatic Litter Box, At-home Grooming Product, or Pet Air Purifier, depending on their needs.
‘Tis the Season
In the spirit of giving, Oneisall will be giving back to the community by making some wishes come true this festive season. From November 7, customers past, present, and future are invited to leave Christmas wishes in their pets’ names on the Oneisall website. These wishes can be for themselves or on behalf of vulnerable animals in need, and Oneisall will make some of these wishes come true.
Product Recalls
No voluntary or mandatory safety recalls have been issued for any Oneisall products.
- Sign Up for our Free Alerts and never miss a Recall again
- View our Cat Food Recall Information & Alerts Page
Product Specs
Usually, this is where I dig into the nitty-gritty. The product specs. The boring bits. And of course, if you’d like to read up on the details of these wonderful Oneisall products, I would encourage you to head to the Oneisall website and check out my previous reviews:
Instead, I’m going to take you through the 3.5 L Cordless Stainless Steel Water Fountain, 5L Automatic Cat Feeder, Air Purifier for Homes with Pets, and Ease S1 Self-Cleaning Litter Box and tell you why, after a year (well, almost a year), I am still raving about them.
Something common to all the Oneisall products I have tried and tested is that they have a simple, intuitive design, are easy to set up, and easy to clean. No fiddly pieces, no screwdrivers or Allen keys required, and the instructions and troubleshooting guides are straightforward and easy to follow.


Oneisall 3.5L Cordless Stainless Steel Pet Water Fountain
Quiet, compact, and easy to keep clean, the stainless steel water fountain from Oneisall is the one that has stood the test of time for me.
What I loved back then:
Quiet function
Option of constant flow or motion-activated
Option of cordless function or leaving it plugged in
Simple design that is easy to clean and resists slime build-up
What I’ve appreciated over time:
Even with an excellent water fountain in place, I always make sure I have multiple drinking water options throughout the house. Not only because I’m catering to both canine and feline mouths, but also because different pets have different preferences, and some are annoyingly messy.
My Malinois Shepherd, Kodah, is an anxiety-drinker, which means when in doubt, he’ll have a slobbery mouthful of water. This also means that within a few minutes of being cleaned and filled, most water bowls within his reach show telltale signs of use. Because the actual drinking bowl of the Oneisall 3.5L Water Fountain is quite shallow, Kodah doesn’t get the satisfaction of submerging half his face, and therefore leaves this one alone.
Our hair tie hunter, Zelda, enjoys digging, dangling, and paddling her paws in the deeper ceramic bowls, polluting the water with traces of black fur and kitty litter. Again, the shallow depth and stainless steel material are evidently not conducive to her idea of a good time, so this water source remains largely unsullied and is used solely for drinking.
Even after weeks on end where I have lazily topped up the water without opening it up for a proper cleaning, the water reservoir remains remarkably clean and slime-free.


Oneisall 5L Automatic Cat Feeder
Although I would prefer my cats to eat more wet food, I also appreciate the convenience of providing part of their meals in dry kibble form, even more now that I can do so without getting out of bed.
What I loved back then:
Ability to program different feeding amounts and times throughout the day
Option of cordless function or leaving it plugged in
The drop-down dispensing style
What I’ve appreciated over time:
The thing that I really love about this automatic feeder is that I have been able to adapt it to my specific needs. The design of most automatic cat feeders means that food is dispensed into a bowl, with little flexibility for serving multiple cats.
I have always ‘scatter fed’ my cats, spreading their kibble over a larger area. This slows them down, prevents gulping, and gives each cat a chance to eat their fill before Cyril takes over. Although the Oneisall 5L Automatic Cat Feeder includes two separate bowls, the design has allowed me to remove the bowls and have the food drop onto a tray below – passive scatter feeding!
Over time, my cats have learned that I am not their source of breakfast, and instead of harassing me from 4 am, they simply gather around the Automatic Cat Feeder until the food drops at half past five. They enjoy a predictable feeding schedule, and I enjoy a couple more hours of uninterrupted sleep.


Oneisall Air Purifier for Homes with Pets
The impact of this device really appreciates over time.
What I loved back then:
Quiet function
Some odor reduction
Some reduction in fur flying
What I’ve appreciated over time:
This air purifier is so quiet that I occasionally have to check it’s actually on! The amount of fur and dust it collects every week is incredible. With 9 furry creatures to contend with, I wasn’t expecting a fur-free home, but it has definitely reduced the amount of fur in and around the cat room. What isn’t drawn into the unit itself gathers as little furry tumbleweeds nearby, making cleaning much easier.
In terms of odor reduction, the Oneisall Air Purifier really makes a difference as part of my 3-pronged attack against stinky litter boxes:
Premium diet and good hydration to reduce odors at their source.
Optimal air purifier and litter box juxtaposition.
Maximized litter box hygiene and odor-trapping with an automatic litter box.


Oneisall Ease S1 Self-Cleaning Litter Box
What I loved back then:
No more scooping
No More Scooping
NO. MORE. SCOOPING!!!
What I’ve appreciated over time:
The only thing I hate about having a self-cleaning litter box is thinking about all the years I didn’t have a self-cleaning litter box. So much time spent scooping and sifting. Resenting my cats’ every urination and bowel movement.
These days, instead of five litter boxes that needed daily attention, I have two Ease S1 Self-Cleaning Litter Boxes. Once or twice a week, I empty the waste drawer, replace the waste bag, top up the litter, and give everything a brush or wipe. Once a month, I do a more thorough cleaning, which takes no longer than cleaning a regular litter box.
Before upgrading, my cats had several large, top-entry litter boxes. Like many cat parents, I had (selfishly) opted for enclosed litter boxes because they meant reduced odors and less litter spillage. Why selfish? Because the uncomfortable truth is that enclosed litter boxes are designed for human comfort, not feline preference.
It was immediately apparent when I introduced the open-top self-cleaning litter box from Oneisall that all my cats preferred to ‘poo with a view’.
The Trouble with Enclosed Litter Boxes
Cats are at their most vulnerable when toileting, and, unlike us, prefer to have a clear view of the world when they do their business. In multi-cat households, it’s not uncommon for cats to ambush each other as they exit a closed-in litter box. Sometimes it’s playful, sometimes it’s opportunistic bullying. Either way, it can make skittish felines even more reluctant to use the provided privy and potentially opt for an alternative location of their choosing.
The other issue is that while we enjoy the benefits of any overpowering odors being trapped inside an enclosed box, our cats are forced to breathe in all the aerosolized fecal matter and toxic ammonia gas every time they go to the toilet. Just because they produce it doesn’t mean they want to inhale it.
With the Ease S1 Self-Cleaning Litter Box, waste is locked away, along with the smell. I did empty the waste drawer more frequently over summer as the hot weather naturally increases the amount of ammonia in the air, which is to be expected.
Have I noticed an increase in the amount of cat litter on my floor? Yes, a bit. Although the litter trapping mats provided do help reduce litter tracking, I am definitely vacuuming more litter than I did in the past. And do I care? Heck no.
A bit of extra vacuum cleaning is a small price to pay for happier cats that are guaranteed to be met with a fresh litter tray for every visit.
For those who really hate the idea of a bit more litter on the ground, you can purchase an alternative litter guard from the Oneisall website for using pellet-type substrates, like tofu litter, which tends to track less.
And did I mention?
NO MORE SCOOPING!!!


Problems & Pitfalls
The trouble with most product reviews is that they are rarely performed over a long enough period of time for any major issues to appear. After spending almost a year with my cat room kitted out with Oneisall products, I can honestly say that there are just three things I would change if I could:
1. The color of the water fountain control unit
It’s petty and unimportant, but it still bothers me that the control unit is a creamy off-white, while almost everything else in the product range is either black, grey, or white. Just, why?
#firstworldproblems
2. The sensitivity of the self-cleaning litter box sensors
A fantastic and super important feature of the Oneisall Ease S1 Self-Cleaning Litter Box is the various motion sensors, which prevent the cleaning cycle from starting if there is a cat in or near the box, and pause the cycle if the sensors detect motion nearby. I have found that, compared to some others, the sensors on this unit are particularly sensitive. They react when I walk past the door, and I have had the occasional tantrum when one of the sensors was detecting debris or imbalance or maybe a ghost. Overall, an overabundance of caution is always better than not enough, particularly when it comes to the safety of our pets, and though I am loathe to accuse anyone or anything of being too sensitive, I think they could probably benefit from a little bit of tweaking.
3. The drawer location on the self-cleaning litter box
The waste drawer under the self-cleaning litter box comes out the side of the unit, something I just thought of as mildly irritating until I recently tried out a similar (but much smaller) unit with a front-opening waste drawer. This might seem like a minor problem, but depending on the location and positioning of your litter box, it does mean needing to shuffle and shimmy things around when it comes time to empty the drawer.
It did take me an embarrassingly long time to realize that the drawer can be inserted on either side, which makes it a bit easier, but if you’re short on space, a front-opening drawer would be better. A minor complaint but worth mentioning.


Frequently Asked Questions (FAQ)
1. Where can I buy Oneisall products?
For the best product range and customer service experience, head to the Oneisall website. You can also find Oneisall products online and in-store from reputable retailers like Amazon, Chewy, PetSmart, Target, and Walmart.
2. Aren’t cats scared of a litter box that moves?
I’m sure some super-skittish scaredy-cats might be horrified the first time they witness their litter box rotating, and mine were certainly curious at first. Within 24 hours, these technological wonders had been accepted as just ‘part of the furniture’. When I first introduced the automatic litter box, as recommended, I kept their old box available for the first week to give them time to adjust. Suffice it to say that with five cats, I only had to scoop the old litter box twice in that week.
Just the other day I watched Clutch walk up to the litter box whilst it was in the middle of a cleaning cycle, causing it to pause. He jumped in to relieve himself, apparently unconcerned that the tray was sitting at about a 30o angle! Not only did this demonstrate the importance of the Ease S1 Self-Cleaning Litter Box’s safety features, but it also showed how unbothered cats can be once something ‘new’ becomes part of their everyday life.
3. Is Oneisall good value?
All the products I have tried and tested from Oneisall are cleverly designed and have, so far, stood the test of time. They’re not the cheapest on the market, but they are most certainly not the most expensive, and considering the attention to detail and quality I have experienced firsthand, I think Oneisall is excellent value for money.
4. Would I still recommend Oneisall?
Absolutely! In fact, I recently bought myself a second Oneisall Air Purifier so I could have one upstairs and downstairs.


Conclusion
It’s always difficult to cut through the noise of ads, reels, product reviews, and sponsored content to work out what to buy. Even with a Trustpilot score as impressive as Oneisall’s, you can never be sure how long people have been using a product before they post a review, which is why I wanted to take the opportunity to revisit this wonderful brand.
When it comes to kitting out my cat room, I don’t just want the cheapest stuff, but I also don’t like spending a fortune on designer brands or unnecessary bells and whistles. What I like about Oneisall is that their designs put the needs and comfort of pets first, with user-friendly products that are practical and affordable.
One year on, I’m glad I discovered Oneisall, and more importantly, so are my cats.
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Dr. Karyn Kanowski BVSc MRCVS (Veterinarian)
Dr. Karyn comes from Queensland, Australia, and has lived in the UK for the past 10 years. In 2010, she graduated from The University of Queensland School of Veterinary Science and also has a Bachelor’s degree in Zoology. She is passionate about using evidence, experience, and owner collaboration to provide the best solutions for pets, and believes in making reliable information about animal health accessible to all. Dr. Karyn shares her home with five cats, four dogs, and one husband. When she is not in the scrubs, she spends her time writing, gardening, and cleaning up pet hair!
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