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Best Pet Water Fountain (2026): PETKIT Eversweet Ultra vs Dockstream 2 vs Catit PIXI vs Drinkwell

PETKIT Eversweet Ultra, PETLIBRO Dockstream 2, Catit PIXI Smart, and PetSafe Drinkwell compared on capacity, filters, cleaning, and apps, using maker specs.

Help me choose

Quick answer

  • Best smart pick, especially for multi-pet homes: PETKIT Eversweet Ultra (model P4117). It doesn't recirculate water. A 5-liter clean tank feeds a stainless steel tray, and used water drains into a separate 1.8-liter waste tank. PETKIT says there is no filter to change. Its 140° AI camera can identify up to 15 pets and log who drinks. (PETKIT)
  • Best for tracking one pet's water intake: PETLIBRO Dockstream 2 Smart Fountain (plug-in, PLWF106). It has a 3-liter tank, intake records in the PETLIBRO app over 2.4 GHz or 5 GHz Wi-Fi, a low-water indicator, and a stainless steel tray you can put in the dishwasher. (PETLIBRO)
  • Best for picky cats and small spaces: Catit PIXI Smart Fountain (#43751). It has a 2-liter reservoir, three drinking options, a Triple Action Filter, a UV-C clarifier, and a free app over 2.4 GHz Wi-Fi. (Catit)
  • Best for big dogs and several pets, no app: PetSafe Drinkwell Stainless Multi-Pet Fountain (360). It holds 128 oz (1 gallon), lets pets drink from any side, has 5 stream options, and goes in the top rack of the dishwasher (the pump is hand wash only). (PetSafe)

These picks are our editorial judgment, based on what each maker publishes. We haven't tested these fountains ourselves. All specs come from the linked maker pages and Amazon listings, checked on October 25, 2026.

PETKIT Eversweet Ultra Check price on Amazon

Comparison table

| | PETKIT Eversweet Ultra (P4117) | PETLIBRO Dockstream 2 (PLWF106, plug-in) | Catit PIXI Smart (#43751) | PetSafe Drinkwell Stainless 360 | | --- | --- | --- | --- | --- | | Capacity | 5 L clean tank + 1.8 L waste tank | 3 L | 2 L | 128 oz (1 gallon) | | Freshness | No recirculation, no filter (Cube C insert, replace every 30 days) | 4-layer filter | Triple Action Filter, UV-C | Carbon and foam filters | | Flow options | Continuous, intermittent, motion-activated | Continuous or timed (Amazon listing) | Spout stream, bubbling top, calm pool; energy-saving mode | 5 stream rings, adjustable flow | | App and Wi-Fi | PETKIT app, 2.4 and 5 GHz Wi-Fi, Bluetooth 4.0 | PETLIBRO app, 2.4 and 5 GHz Wi-Fi | Catit PIXI app, 2.4 GHz Wi-Fi only | None | | Drinking data | Per pet, using the AI camera (up to 15 pets) | Water intake records, one pet at a time | Status alerts (water, filter, pump), no intake log | None | | Camera | 140°, infrared night vision, two-way audio | No | No | No | | Dishwasher-safe parts | Tray, fountain outlet, magnetic strainer | Stainless steel tray only | Stainless steel top | Everything except the pump (top rack) | | Power | Plug-in (12 V, 2 A) | Plug-in (5 V, 1 A) | USB adapter (5 V, 1 A), under 1 W | Plug-in | | Pets (maker) | Cats and small-breed dogs | Mainly cats, also small dogs | Cats | Larger dogs and multi-pet homes |

Sources: the maker pages and listings linked below.

What to look for in a pet water fountain

PETKIT says most pets naturally drink more when water is flowing. In our editorial view, three things matter more than any feature list:

1. Cleaning. Every fountain needs it. PetSafe's manual says its fountain must be cleaned regularly to keep working normally and calls for a weekly clean. Fewer parts, and more of them dishwasher safe, make that easier. (PetSafe manual) 2. Capacity. PETKIT estimates its 5-liter tank lasts up to about two weeks for one cat, or 7 to 10 days for two. PETLIBRO recommends refilling its fountains twice a week for one pet. (PETKIT, PETLIBRO) 3. Data, if you want it. Two picks here log drinking. A change in how much your pet drinks is worth raising with your vet.

The picks in detail

PETKIT Eversweet Ultra (P4117): best smart pick, especially for multi-pet homes

Most fountains pump the same water around and filter it. PETKIT built the Eversweet Ultra around what it calls a OneWay Mechanism instead. Fresh water flows from a sealed 5-liter clean tank into a 350 ml stainless steel tray, and used water drains into a separate 1.8-liter waste tank. The two never mix. (PETKIT, PETKIT blog)

Other maker-stated details:

  • Refill and flush: the tray refills itself below 220 ml. One tap flushes, drains, and refills the tray, which PETKIT notes uses a good amount of clean water. (PETKIT)
  • Flow: SpringFlow has three modes: continuous, intermittent, and motion-activated. (PETKIT blog)
  • Camera: 1080p, 140° wide angle, infrared night vision, and two-way audio. It identifies up to 15 cats or dogs and records when each visits, how long it stays, and how much it drinks. You can turn the camera off with one tap or set monitoring hours. (PETKIT, PETKIT blog)
  • Upkeep: there is no filter. The included Cube C has to stay installed and should be replaced every 30 days. The three parts you clean regularly (outlet, magnetic strainer, and tray) are dishwasher safe. (PETKIT)
  • Noise, power, and setup: 26 dB or less, louder during a flush. It's plug-in only, measures 11.41 x 11.96 x 13.89 in, and needs the app paired on first use. The Amazon listing cites 2-year coverage. (PETKIT, Amazon listing)

Who it's for: multi-pet homes that want to know who is drinking, and owners tired of changing filters. Skip it if you don't want a camera in the room, you have limited floor space, or you want a fountain that works without an app.

Check the current price: PETKIT Eversweet Ultra on Amazon (affiliate link)

PETLIBRO Dockstream 2 Smart Fountain (plug-in, PLWF106): best for tracking one pet's intake

PETLIBRO makes several Dockstream fountains, so check the model number. The Dockstream 2 plug-in (PLWF106) holds 3 liters, connects to 2.4 GHz or 5 GHz Wi-Fi, keeps water intake records, and has a low-water indicator. Its stainless steel tray is the only dishwasher-safe part. (PETLIBRO comparison)

Other maker-stated details:

  • Design: it uses a pumpless tank. A magnetic rotor in the tank is driven from the base, so no wires run through the water. The tank is detachable, and the design resists tipping. (PETLIBRO, Amazon listing)
  • Tracking: the app shows water intake, the number of drinking sessions, and average drinking time. It tracks one pet at a time and may miss sips under about 2 ml. (PETLIBRO)
  • Filtration and alerts: it has 4-layer filtration. PETLIBRO recommends a new filter every two weeks for one pet, and more often for several. The app warns you about low water, and the rotor stops if the tank runs dry. (PETLIBRO)
  • Flow: the Amazon listing describes continuous or timed flow modes. (Amazon listing)
  • Emergency water and warranty: 150 ml of emergency water storage, and a 2-year warranty per the Amazon listing. (PETLIBRO comparison, Amazon listing)

Worth knowing: on October 25, 2026, PETLIBRO's comparison page listed the Dockstream 2 replacement filter as "Not Available For Now," so check filter stock. PETLIBRO also sells a battery-powered Dockstream 2 Smart Cordless (PLWF116) and a Dockstream RFID Smart Fountain (PLWF305) that logs each pet separately. We don't carry either, so these maker links are not affiliate links: Dockstream 2 Cordless and Dockstream model comparison.

Who it's for: single-pet homes that want hydration trends on their phone without a camera. Skip it if you want drinking data for each of several pets.

Check the current price: PETLIBRO Dockstream 2 on Amazon (affiliate link)

Catit PIXI Smart Fountain (#43751): best for picky cats and small spaces

The PIXI gives a cat three ways to drink: an arching stream from the spout, a bubbling top, or a calm pool in a wide, shallow stainless steel bowl. Catit says the shallow bowl spares sensitive whiskers. Because the bowl holds water, your cat can still drink when the fountain is off. (Catit)

Other maker-stated details:

  • Clean water: the Triple Action Filter removes odors and impurities and softens tap water. UV-C light clarifies the water three times a day for 60 minutes each time. (Catit)
  • App: free, with no in-app purchases, on 2.4 GHz Wi-Fi only. You can switch the pump on or off, set a timer, use energy-saving mode (5 minutes on, 15 minutes off), and share control with a sitter. (Catit)
  • Alerts: low-water notices every four hours, pump-cleaning reminders every 60 days, and filter reminders every 30 days. It shuts off automatically when empty. (Catit)
  • Size and cleaning: 8 x 8 x 6.7 in. The stainless steel top is dishwasher safe, and a second BPA-free layer keeps the fountain running while the top is washed. (Catit)

Who it's for: one cat (or a pair of light drinkers), small apartments, and cats that are fussy about how their water flows. Skip it if your router is 5 GHz only or you want to log how much your cat drinks.

Check the current price: Catit PIXI Smart Fountain on Amazon (affiliate link)

PetSafe Drinkwell Stainless Multi-Pet Fountain (360): best for big dogs and several pets

The simple, high-capacity choice: 128 oz (1 gallon) in a round open bowl that several pets can drink from at once. PetSafe says the taller tower gives bigger dogs room for their snout. Five spout rings change the stream, and you twist the top to adjust flow. (PetSafe)

Other maker-stated details:

  • Filtration: carbon and foam filters. The manual says to change them about every two weeks, more often with several pets or droolers, and notes that the fountain still runs without them. (PetSafe manual)
  • Cleaning: everything except the pump goes in the top rack of the dishwasher. Hand wash the pump. Don't use abrasive cleaners, which can scratch the stainless steel. (PetSafe, manual)
  • Water level: keep it above the MIN line, about 1 inch above the bottom of the bowl, or the pump may fail. The open bowl still holds water if the power goes out. (PetSafe manual, PetSafe)

Who it's for: large dogs, multi-pet homes, and anyone who wants stainless steel and no app. Skip it if you want alerts or drinking data, or you need a small footprint (it measures 14.3 in across).

We don't carry this fountain, so the link goes straight to PetSafe and is not an affiliate link: PetSafe Drinkwell Stainless Multi-Pet Fountain

Who each fountain is for

  • Several pets, and you want to know who's drinking: PETKIT Eversweet Ultra.
  • One pet, and you want intake trends without a camera: PETLIBRO Dockstream 2 (plug-in).
  • A picky cat, a small apartment, or a 2.4 GHz network: Catit PIXI Smart Fountain.
  • A big dog, or several pets sharing one bowl, with no app: PetSafe Drinkwell Stainless 360.
  • No outlet near the spot your pet likes: PETLIBRO Dockstream 2 Smart Cordless (battery), not carried.

Cleaning and filter tips

1. Clean weekly. Unplug, take it apart, and wash the bowl and tank. PetSafe's manual calls for a weekly clean. In our editorial view, that's a sensible baseline for any fountain. (PetSafe manual) 2. Keep electronics dry. PETLIBRO says never to immerse the Dockstream 2 base. PetSafe says to hand wash its pump. (PETLIBRO, PetSafe) 3. Follow the filter schedule. The makers say about every two weeks for PetSafe and PETLIBRO, and every 30 days for Catit's filter reminder and PETKIT's Cube C. Change it sooner with several pets. (PETLIBRO, Catit) 4. Prep new filters. PETLIBRO says to soak its filter before installing it. PetSafe says to rinse its carbon filter to remove loose charcoal dust. (PETLIBRO, PetSafe manual) 5. Clean the pump. Catit's app reminds you every 60 days. A dirty pump can slow the flow. 6. Never let it run dry. Keep the water above the minimum line. 7. Introduce it slowly. Keep your pet's usual bowl nearby for the first week or two.

FAQ

Do cats really drink more from a fountain?

Many do, though cats differ. Allow a week or two with a regular bowl still out. If drinking changes a lot, talk to your vet.

How often should I clean a pet water fountain?

About once a week, and more often with several pets. PetSafe's manual says to clean its fountain once a week. PETLIBRO recommends refilling twice a week for one pet. (PetSafe manual, PETLIBRO)

Is a filterless fountain really cleaner?

PETKIT says the Eversweet Ultra needs no filter because used water never returns to the clean tank. You still replace its Cube C insert every 30 days and clean the tray, outlet, and strainer. (PETKIT)

Do smart fountains need a subscription?

Not for basic use. Catit's PIXI app is free with no in-app purchases. PETLIBRO says that if you own two fountains, their data syncs only with a PETLIBRO Care subscription. PETKIT's product page doesn't say whether any camera features need a paid plan, so check the app before you rely on them. (Catit, PETLIBRO)

Will my pet have water if the power goes out?

On the PetSafe and Catit fountains, the open bowl still holds water when the pump stops. PETLIBRO lists 150 ml of emergency water storage for the Dockstream 2. The Amazon listing for the PETKIT Ultra says its tray still holds water during an outage. (PetSafe, Catit, PETLIBRO comparison, Amazon listing)

Which fountain is best for a large dog?

The PetSafe Drinkwell Stainless 360 is the one marketed for larger dogs, with 1 gallon and a taller tower. PETKIT lists the Ultra for cats and small-breed dogs, and PETLIBRO says the Dockstream 2 is primarily designed for cats but also suits small dogs. (PetSafe, PETKIT, PETLIBRO)

Related guides

Sources

All checked October 25, 2026:

  • PETKIT EverSweet Ultra with Camera (P4117), product page: https://www.petkit.com/products/eversweet-ultra-with-camera-pet-water-fountain
  • PETKIT blog, "Introducing EVERSWEET ULTRA": https://petkit.com/blogs/blog/introducing-eversweet-ultra-cat-water-fountain-with-wastewater-separation-system-and-ai-hydration-tracking
  • PETKIT Eversweet Ultra, Amazon listing: https://www.amazon.com/dp/B0GWJ2QWXF
  • PETLIBRO, "What Is the Difference Between Dockstream Series Water Fountains?": https://petlibro.com/pages/what-s-the-difference-between-wf115-wf105-wf106-wf116-and-wf305
  • PETLIBRO Dockstream 2 Smart Fountain, product page and FAQ: https://petlibro.com/products/dockstream-2-smart-fountain
  • PETLIBRO Dockstream 2 (PLWF106), Amazon listing: https://www.amazon.com/dp/B0FDKQGRCK
  • Catit PIXI Smart Drinking Fountain (#43751): https://www.catit.com/products/drinking-fountains/pixi-smart-drinking-fountain/
  • Catit PIXI Smart Fountain, Amazon listing: https://www.amazon.com/dp/B093M57335
  • PetSafe Drinkwell Stainless Multi-Pet Fountain (PWW00-13705): https://www.petsafe.com/p/drinkwell-360-fountain-stainless-steel/PWW00-13705/
  • PetSafe Drinkwell 360 Stainless Steel manual (PDF): https://www.petsafe.net/media/manuals/pww00-13705-drinkwell-360-fountain-stainless-steel-manual.pdf

*As an Amazon Associate, CompareMyPets earns from qualifying purchases. The PETKIT Eversweet Ultra, PETLIBRO Dockstream 2 (plug-in), and Catit PIXI Smart links are affiliate links. The PetSafe and PETLIBRO Dockstream 2 Cordless/RFID links go straight to the makers and are not affiliate links. Prices and availability change often, so check the current price before you buy.*