1. Smart Feeder

1.1 What It Is and How It Works

Smart feeders are devices with electronic controls and dispensers that allow owners to remotely manage feeding. Unlike regular automatic models with mechanical timers, smart feeders are equipped with a Wi-Fi module and connect to a smartphone through a dedicated app. This app, in turn, allows you to precisely set up feeding according to your pet's individual needs: set feeding schedules and portion sizes. This is especially important for animals with gastrointestinal issues, obesity, or post-operative restrictions, where accurate dosing is essential. Generally, you can select between two to six meals a day, and in some models — up to ten, if your pet requires frequent small meals.

These feeders are usually designed for dry food only, as wet food requires separate refrigerated or thermally insulated compartments to keep it fresh. The construction includes a sealed container with optimal conditions for long-term storage of dry food, a dispensing mechanism (most commonly screw or blade-based), a bowl, and a control panel. Advanced models may feature a camera, speaker, microphone, and additional sensors. At the set time, the system precisely measures and dispenses a portion of food, and if necessary, notifies the owner when the food is running low or the container lid is not tightly closed. Moreover, feeding can be activated manually at any time.

A smart feeder allows you to set a feeding schedule and specify the exact portion size to prevent overeating.

1.2 Functionality

In addition to basic functions (programmable schedules, portion size adjustment, and manual feeding via a button), the gadget may have advanced features that turn it from a simple dispenser into a multifunctional care and communication center:

Voice Message — allows the owner to record a short message to play before feeding. This helps the pet feel the owner's presence and associates the voice with feeding.

Many smart feeders allow you to record a voice message or even communicate with your pet.

Two-way Speaker — not only allows you to record a short message but also to communicate fully with your pet while away from home. Hearing the owner's voice, the cat or dog won't feel lonely or upset if they were worried about their "leather-clad" leaving.

Camera — allows you to watch your pet in real time, and together with a microphone and speaker, provides two-way communication. Depending on the model, cameras may support HD or Full HD resolution, night vision, and wide-angle views.

Feeders with cameras allow you to remotely monitor your pet in real time.

Motion Sensor — tracks movement near the feeder and dispenses food when the cat or dog arrives for their portion. This helps the device maintain visit statistics, adjust feeding times, and keep the food fresh, as it won't sit in the bowl waiting for the pet.

Detailed Statistics. Advanced feeders can monitor health by collecting data on food dispensed, frequency of meals, approach to the feeder, and uneaten food. These data are automatically transmitted to an app, forming convenient statistics — daily, weekly, or monthly. Some devices even generate reports in the form of graphs and notify the owner if the pet skipped a meal or stopped eating as regularly. These statistics are valuable for veterinary control: decreased food intake is often an early sign of health issues, so data from the feeder can help detect deviations at an early stage. Further, some manufacturers offer smart feeder integration with other health monitoring devices — such as smart water dispensers or activity GPS trackers. In such cases, the data is unified in one app, where you can see not only how much the pet ate but also how much it drank, how often it moved, and how its activity changed throughout the day.

Some advanced models help monitor pet health by providing detailed feeding information.

Voice Control — enabled through voice assistants like Google Assistant, Alexa, and others. This feature lets you start feeding, check food levels, and issue other commands with your voice, without using a smartphone or app.

Entertainment. Feeding can be not the only responsibility of the gadget — some models serve as entertainment companions. At a minimum, this involves dispensing treats for tricks and commands voiced by the owner, and at most — full supervision and interaction. For example, Hholove O Sitter is marketed as a robot companion with artificial intelligence that monitors the animal with a camera, feeds it, and plays with it using a laser pointer.

The Hholove O Sitter robot companion feeds, plays with the animal, and monitors it using a camera.

1.3 What to Consider When Buying

Usually, smart feeders are universal and suitable for both cats and dogs of various breeds. However, there are some nuances that are truly important.

Food Container Capacity — plays a key role when choosing a specific model, as this determines how long you can leave your pet and how often you'll need to refill the food. For cats and small dogs, a 2 – 3-liter container is usually sufficient, for medium breeds — about 4 – 5 liters, and large dogs need a supply of 6 liters or more. Note that this refers to volume in liters, not the food's weight. For example, a 4 – 5-liter feeder holds 2 – 2.5 kg, while a 2 – 3-liter container holds about 1 – 1.5 kg of dry food. Thus, a feeder up to 5 liters can provide about 1 month of autonomous feeding for cats (estimating 70 g per day), but for a medium-sized dog eating 300 – 600 g of dry food per day, this stock will last approximately 5 – 7 days.

Important! The container must be airtight to prevent odors and spoilage during long-term storage. If it allows air and moisture, it's better not to fill it completely, but to add food every few days.

Food Size. The construction's specifics imply a maximum food diameter that the system can handle. This parameter is usually from 5 to 12 – 13 mm. Granules designed for large dogs can be larger, so it's crucial to consider this and choose models with larger openings. Some devices have an anti-blocking mechanism to prevent food from jamming and ensure uninterrupted operation.

Feeding Modes. It's crucial for a smart feeder to offer the number of meals and portion sizes that suit your pet. For instance, some models can provide up to four feedings a day, which might not be enough, as frequent small feedings help maintain normal metabolism, prevent overeating, and reduce the risk of vomiting due to too rapid eating. The optimal option is feeders offering up to 6 – 10 feedings.

Power Supply. Most devices run on electricity, but there are autonomous models that use built-in batteries or disposable cells. However, batteries need recharging, and the latter require extra purchases, while electricity can unexpectedly go out. Therefore, to prevent your pet from running out of food, we recommend choosing a device with independent power supply. This implies that in case of power supply disruptions (during power outages) the feeder automatically switches to back-up power — using batteries or cells.

Bowl Material — should be safe for animals and resistant to moisture, corrosion, and odors. Most manufacturers use plastic, metal, ceramic, and silicone. The best options are ceramic and food-grade stainless steel.

Multiple Containers — this function is relevant for homes housing multiple pets. Such models are usually equipped with two independent food containers and bowls, and the most advanced ones can identify pets by chip or collar, ensuring each pet receives its portion and doesn't overeat at the other's expense. A system with separate containers allows different food use if pets have different diets.

Feeders with two containers and bowls provide optimal feeding for multiple pets,
even if they have different diets.

Pet Specifics. The pet's behavior and condition also affect feeder choice. For seniors or those with joint issues, adjustable bowl height or a stand is helpful to reduce spinal strain. For energetic dogs, choose a model with a weighted base, rubber feet, and a tip-over guard.

Maintenance Routine. The design should be easy to disassemble for periodic cleaning, especially the bowl and food reservoir. If neglected, unpleasant odors and mold will develop inside, affecting food quality.

Popular Smart Feeders

2. Smart Water Dispenser

If the smart feeder handles feeding, a smart water dispenser is for drinking. It's an upgraded version of regular drinking fountains, but more advanced: with a built-in Wi-Fi module and mobile app connectivity, the owner can monitor water levels, filter conditions, and even water quality in real-time. The app sends notifications if the reservoir is empty, the filter needs replacement, or the pump needs cleaning. Some devices allow remote pump control, regulating water flow intensity and lighting mode.

But let's dive into details. The dispenser operates on the principle of continuous water circulation. The internal pump draws water from the reservoir upwards, where it flows back down, creating a stream effect. This movement oxygenates the water, prevents bacteria growth, and encourages pets to drink more fluids. In nature, they prefer drinking from flowing sources: streams, puddles after rain, fountains, rather than stagnant bodies of water. This instinctual behavior evolved over time: moving water is perceived as fresher and safer, whereas still water is seen as potentially contaminated or stale. Additionally, cats are sensitive to foreign odors and refuse to drink water that’s been sitting, leading to chronic dehydration and kidney and bladder issues.

Continuous water circulation prevents bacterial growth,
unpleasant odors, and encourages pets to drink more fluids.

But it's not just continuous circulation keeping water fresh — modern smart dispensers also feature a multi-stage filtration system. It's often a carbon filter that removes odors and organic impurities, plus a cotton or nylon layer trapping fur and debris. Advanced versions may include an ion-exchange or UV filter that disinfects the water and prevents biofilm formation. Some models come with a UV sterilizer that automatically activates a few times a day, eliminating up to 99% of bacteria in the water.

2.1 How to Choose

Capacity. A critical feature of any water dispenser is its capacity, selected based on the number of pets and their sizes. For one cat or dog, a reservoir up to 2 liters is sufficient, but for multiple pets and large dogs, a 2 – 3-liter or larger reservoir is optimal. The pump should maintain stable pressure in both full and partially empty states — weak models can fail quickly as the water level drops.

The more pets in the home and their sizes, the larger the water reservoir should be.

Filtration System. More filtration stages mean better water quality. Ideally, the filter includes activated carbon, a cotton pad, and an ion-exchange layer. Plus, water quality depends on filter condition too. Filters should be easy to access and replace without tools, with a specified lifespan from the manufacturer (usually 2 – 4 weeks). Even better, if the system sends smartphone alerts when filter replacement is needed.

Power Supply. Most dispensers are powered by electricity, but there are also standalone models with battery or disposable cell options. Just like feeders, for uninterrupted operation, choose devices with emergency power supplies in case of electricity outages.

Additional Features. Advanced dispensers offer limited but valuable extras. Some dispensers with motion sensors activate water flow when the pet approaches, saving power and extending pump life. There's also water temperature sensors and heating functions, maintaining a comfortable temperature during cold periods. More frequently, manufacturers add lighting, which serves a decorative function, helps pets find the dispenser at night, and can change color, indicating low water levels or maintenance needs.

Popular Smart Water Dispensers