The MOLLY&CODY 14L Automatic Dog Feeder suits large dogs who eat dry kibble on a schedule you can change from a phone. The Cat Mate 5-Meal Automatic Pet Feeder suits small dogs on wet food, because ice packs sit under five trays and no hopper is involved. The other eight units split between timer hoppers, camera models and cordless tanks.
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These automatic dog feeders were chosen from the makers’ published specifications and live UK retail listings, checked October 2026. They were not tested by us. The mix covers large hoppers, tray feeders for wet meals, camera units and cordless tanks so a reader can match food type and power, not only capacity.
How Often Should an Automatic Feeder Run?
Set the daily amount from the food packet, then split it across the meals your vet already agreed. Dogs Trust feeding advice says adult dogs should normally be fed twice a day and that leaving food down all day can let it spoil. Puppies need more splits: four meals under 12 weeks, three from about 12 weeks, then two from around six months.
Blue Cross feeding guidance makes the same point in grams: weigh the ration, feed for the target weight, and keep clean water available at all times. A hopper that can hold two weeks of kibble is convenient. It is not a licence to pour in extra portions. If you use treats, cut the hopper total so treats stay inside the daily calorie budget.
Which Feeder Type Fits Dry or Wet Food?
Dry hoppers use a rotor or auger and only work with kibble inside the size window printed on the listing, often around 2 to 15 mm. Large-breed biscuits and freeze-dried chunks jam smaller rotors. Wet food, pouches and raw mixes need a tray feeder with a lid and ice packs, or a refrigerated tray unit. Do not put wet food in a dry hopper.
A timer feeder for dogs suits a house with one animal and a stable routine. A timed feeder for dogs that uses only a keypad still needs the same packet maths as an app model. An app hopper suits shift work, because you can add a meal without standing at the keypad. A camera hopper lets you see whether the bowl was emptied, which helps in multi-dog homes where one animal raids the other. If you already use a puzzle or slow bowl at breakfast, keep that ritual and let the hopper handle the second meal. Our slow feeder dog bowls page covers the bowl side of pacing, which a hopper does not replace.
What Power and Safety Checks Matter?
Most mains hoppers offer battery backup, usually AA or D cells that you buy separately. Fit those cells before the first weekend away. Cordless tanks run on a rechargeable pack and can sit away from a socket, which helps in a utility room with no spare outlet. Tray feeders usually run on AA cells for months and do not need Wi-Fi.
Lock the lid. Curious dogs open twist lids that are only seated, not locked. Place the unit where it cannot be knocked down the stairs, and keep the bowl on a mat so scattered kibble is easy to sweep. The feeder is a timer, not a sitter: a dog still needs water, a toilet break and a rest place. Pair it with a bed from the dog beds guide rather than leaving the animal in a hallway next to the machine. For a second species in the same kitchen, use the automatic cat feeders page so each animal has a unit sized for their kibble, not a shared hopper they can fight over.
How Do These Automatic Dog Feeders Compare?
| Feeder | Type | Capacity | Control | Power | Food |
|---|---|---|---|---|---|
| MOLLY&CODY 14L Automatic Dog Feeder | Wi-Fi hopper | 14 L | App, up to 6 meals | Mains plus 4 AA | Dry, kibble up to 12 mm |
| Cat Mate 5-Meal Automatic Pet Feeder | Timed trays | 5 bowls, 330 g each | Digital timer, 5 meals | 3 AA | Wet or dry |
| PETLIBRO Granary Camera Feeder | Camera hopper | 5 L | App, 1 to 10 meals | Mains plus 3 D cells | Dry only |
| PETLIBRO Granary Timer Feeder | Keypad hopper | 3 L | Up to 6 meals, 50 portions | USB-C plus 3 D cells | Dry, twist-lock lid |
| WOPET 4L WiFi Feeder | App hopper | 4 L | 1 to 10 meals, 10 s voice | Mains | Dry, kibble up to 12 mm |
| DOGNESS 9L Automatic Dog Feeder | LCD hopper | 9 L | Up to 4 meals on the panel | Mains plus backup cells | Dry, kibble 5 to 15 mm |
| PETLIBRO Battery 2L Feeder | Cordless hopper | 2 L | App, 1 to 10 meals | Built-in battery, about 30 days | Dry, small to medium kibble |
| PETKIT Yumshare Double Feeder | Dual-hopper camera | 5 L total | App, 1 to 30 meals | Mains plus 4 AA | Dry, two recipes |
| WellToBe 7L Dual Bowl Feeder | LCD dual bowl | 7 L | 1 to 6 meals, 10 s voice | Mains plus backup | Dry, two stainless bowls |
| PETLIBRO Air Cordless Feeder | Rechargeable hopper | 2 L | App on 2.4 GHz Wi-Fi | Battery plus optional plug | Dry, compact tank |
How Should You Set Up a New Feeder?
Wash every food-contact part before the first fill. Run one manual portion into a bowl so you can weigh it and match the packet. Keep the old feeding time for the first three days so the dog learns the sound of the motor. If you change diet at the same time, Blue Cross asks you to swap food over a week, not in one pour.
- Weigh a day’s ration from the packet and decide how many meals will split that weight.
- Wash the bowl, hopper and lid, then dry them fully so kibble does not clump on damp plastic.
- Fit backup batteries even if the feeder will sit next to a socket.
- Lock the lid and place the unit where it cannot be tipped or chewed from behind.
- Dispense one test portion, weigh it, then adjust the portion count until it matches your plan.
- Keep a spare bowl from the dog bowls guide so you can feed by hand if the rotor jams.
- Check the first week’s leftovers and body condition, then change portions, not the number of meals, if the waist thickens.
Frequently Asked Questions
Can a Timer Feeder Replace a Dog Sitter?
No. It only delivers food on time. The dog still needs water, a chance to toilet, and a person who can notice vomiting or a jam. Use it for late shifts and regular hours, not as cover for a long unattended stay.
What Kibble Size Will Jam a Hopper?
Stay inside the millimetre range on the listing. Large-breed discs, dental sticks and freeze-dried slabs sit above most 12 mm rotors. If your biscuit is mixed shapes, test a handful before you leave the house.
Do You Need Wi-Fi for Every Automatic Dog Feeder?
No. A keypad hopper or a tray timer works without a network. Wi-Fi only helps if you must change a meal after you have left, or if you want a camera view of the bowl.
How Do You Keep Wet Food Safe in a Tray Feeder?
Use the ice packs the maker supplies, keep the lid closed until the set time, and throw away uneaten wet food rather than leaving it out. Blue Cross notes that open wet food attracts flies in warm weather unless it is covered and chilled.
Should Two Dogs Share One Hopper?
Only if they never guard food. A dual-bowl splitter still dumps both servings at once. A camera helps you see a raid, but it does not stop one dog eating both piles. Separate mealtimes or two units are the honest fix.
Last reviewed: 5 October 2026.
Automatic Dog Feeders to Compare
MOLLY&CODY 14L Automatic Dog Feeder
A 14 litre Wi-Fi hopper for medium and large dogs on dry kibble, with app scheduling, anti-blockage and a stainless bowl.
Cat Mate 5-Meal Automatic Pet Feeder
A five-tray digital timer for small dogs on wet or dry meals, with ice packs under the bowls and no app to configure.
PETLIBRO Granary Camera Feeder
A 5 litre camera hopper for households that want a live view of the bowl plus app meals on 2.4 or 5 GHz Wi-Fi.
PETLIBRO Granary Timer Feeder
A 3 litre keypad hopper with a twist-lock lid for dry food, aimed at owners who want timed meals without pairing an app.
WOPET 4L WiFi Feeder
A black 4 litre app hopper for cats and small dogs, with a 10 second meal call and kibble limited to 12 mm.
DOGNESS 9L Automatic Dog Feeder
A 9 litre panel-programmed hopper for large dogs, with four daily meals set on an LCD and no phone required.
PETLIBRO Battery 2L Feeder
A compact 2 litre cordless hopper for small dogs, with app portions and a claimed month of use between charges.
PETKIT Yumshare Double Feeder
A dual-hopper 5 litre camera feeder for mixed dry diets, so one tank can hold a different recipe from the other.
WellToBe 7L Dual Bowl Feeder
A 7 litre LCD hopper with two stainless bowls for households that want to split one dry ration between two animals.
PETLIBRO Air Cordless Feeder
A 2 litre rechargeable hopper for small dogs in rooms without a spare socket, controlled from the app on 2.4 GHz Wi-Fi.