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Buyer's guide
An automatic feeder is a machine that stands between your cat and food while you are asleep or out. That is a higher bar than most gadgets have to clear, and it is why the failure modes matter more than the feature list.
Most feeders dispense with a rotating drum or an auger sized for medium, round kibble. Large, flat, or oddly shaped pieces bridge across the opening and stop the flow, and the machine has no idea it has failed. Check the kibble size a feeder is rated for against the food you actually buy before anything else.
A mains-only feeder is a bowl during a power cut. Battery backup is the single feature most worth paying for, because the whole point of the machine is that it works when you are not there to notice it did not.
Dispensed amounts are approximate, and they drift as the hopper empties and the food settles. If your cat is on a measured diet, weigh a few dispensed portions when the hopper is full and again when it is nearly empty. The difference is usually larger than the marketing suggests.
A cat that has worked out the hopper lid will eat the entire supply. Look for a latching lid rather than a resting one, and a body heavy or wide enough that it cannot be tipped.
Anything holding wet food needs cleaning daily, and anything holding dry food needs it weekly or the oils go rancid. If the bowl and chute do not come out without tools, you will not do it as often as you should.
Some feeders schedule on the device; others need a phone app and a working internet connection. App-only models stop being schedulable if the company shuts the service down. If that matters to you, buy one with physical controls.
Side by side
Nothing goes in this table that has not been checked against the actual product.
| Feeder | Food type | Hopper | Battery backup | Scheduling | Best for |
|---|---|---|---|---|---|
| TODO Pick 1 | TODO | TODO | TODO | TODO | TODO |
| TODO Pick 2 | TODO | TODO | TODO | TODO | TODO |
| TODO Pick 3 | TODO | TODO | TODO | TODO | TODO |
In detail
Pick 1
Suits: TODO — describe the household, not the product. One cat, dry food only, away two nights a week, that kind of thing.
Downside: TODO — the real one. Every feeder has one. If you cannot name it, you have not used it long enough to recommend it.
A feeder controls when food appears. It does not control how fast a cat eats it, and it will not stop a second cat from eating the first cat's portion. If you have a household where one animal eats everything, a scheduled feeder alone will not solve it, and no amount of money spent on a nicer one will change that.