Which SmartPaw drinking fountain is suitable for my cat?

Cats often don't drink enough, and a drinking fountain with flowing water helps them drink more. But SmartPaw has three models – HydroBuddy, FlowMate Pro, and AquaPaw – and which one is best for your cat? In this buying guide, we compare them on the points that truly matter.
By the SmartPaw editorial team · Published July 15, 2026 · Last updated July 15, 2026 · Facts checked by veterinarians and official sources.
📌 In brief
- HydroBuddy 4L: large reservoir with app control — ideal for multiple cats or busy families.
- FlowMate Pro 4L: best value for money, wired and reliable — the safe choice.
- AquaPaw 2.5L: wireless with battery — handy when there's no power outlet nearby.
- All three are made of stainless steel: more hygienic than plastic and better for cat acne.
- Don't forget to replace the filter regularly for fresh, clean water.
Which drinking fountain is best for my cat?
The best drinking fountain depends on your situation: the number of cats, whether there's a power outlet nearby, and if you want app control. Below, we compare the three SmartPaw models.
| Model | Capacity | Power | Best for |
|---|---|---|---|
| HydroBuddy | 4 liters | Wired + app | Multiple cats, those who want app control |
| FlowMate Pro | 4 liters | Wired | Best value for money, reliable |
| AquaPaw | 2.5 liters | Wireless (battery) | Place without a power outlet nearby |
Why a stainless steel drinking fountain and not plastic?
Stainless steel is more hygienic than plastic: it scratches less easily, retains fewer bacteria as a result, and is often better tolerated by cats with chin acne. All SmartPaw fountains are therefore made of stainless steel. You can read more about this in Stainless steel or plastic drinking fountain: what's better for your cat?

FlowMate Pro 4L – best value for money
Reliable wired stainless steel drinking fountain of 4 liters. Our recommendation for most cats.
View product →When do I choose the HydroBuddy or the AquaPaw?
Choose the HydroBuddy if you have multiple cats or like to monitor the water level and pump via an app. Choose the AquaPaw if you want to place the fountain in a spot without a power outlet: thanks to its battery, it is completely wireless.
💡 Tip: Don't place the fountain next to the food or litter box. Cats prefer to drink in a separate, quiet place — that increases the chance they'll drink more often.
How do I get my cat used to a drinking fountain?
Give your cat a few days: leave the fountain on and temporarily leave the old water bowl out if necessary. Most cats are curious about the sound and movement of the water. A complete step-by-step plan can be found in how to get your cat used to a drinking fountain.
Frequently asked questions
How often should I replace the filter?
On average every 2 to 4 weeks, depending on use and water quality. See our drinking fountain comparison for more detail.
Are these fountains also suitable for dogs?
Yes, small to medium-sized dogs can drink from them just fine. For large dogs, the reservoir may empty faster.
Does a drinking fountain make a lot of noise?
With sufficient water, the pump is very quiet. A gurgling sound usually indicates a low water level.
Can I clean the fountains in the dishwasher?
Most stainless steel parts are dishwasher safe; the pump should be cleaned separately by hand.
Sources: International Cat Care – hydration and water intake in cats; American Veterinary Medical Association (AVMA).
This blog is informative and does not replace veterinary advice.
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