Kitchen · Honest review
If you have ever fought a can lid with a manual opener, slipped off the rim halfway around, and then had to fish a sharp lid out of your dinner, this is the little hack win for you. Our automatic can opener sits on the can, opens it with one press of a button, and leaves a smooth edge behind. Here is exactly how it works in our kitchen, in our own video, and what you should know before you buy one.
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One press, hands free, all the way around the can. No cranking, no clamping, no wrestling.
You set it on the rim, press the button once, and walk away. The drive wheel grips the lip and carries the opener around the can by itself while you get on with the rest of dinner. There is no button to hold down, no handle to turn, and nothing to keep steady. On a busy night that is a genuinely useful pair of free hands.

It cuts the side seam rather than punching through the top, so the lid lifts away with a rolled, smooth edge. Nothing drops into the food, and there is no razor edged disc to pull out of the can or drop in the bin. With four boys in the house who are always helping themselves to something, that safety difference matters to me more than any other feature.

This is the reason we first bought one. There is no squeezing and no twisting, so sore wrists, arthritis or simple hand fatigue stop being a reason to ask someone else to open the can. If you are buying for a parent or grandparent, this is the part to tell them about.
It runs on batteries, so there is no cord and no outlet to find, and it tucks into a drawer instead of taking up permanent counter space like a big countertop opener. It also travels well — camper, cottage, dorm room, anywhere the kitchen is small.
One thing to know: keep fresh batteries in it. A tired set is behind almost every complaint you will read about these openers stalling. Badly dented rims can also stop it partway, since the wheel needs a clean lip to travel along.
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A steady counter or table is all it needs. Give yourself enough room that the can will not tip.
Line the cutting wheel up with the lip of the can so it sits level, not tilted.
The motor takes over and the opener walks itself around the can. Let it go; do not push or steer it.
When it completes the circle it stops. Lift the opener straight up and the lid comes with it.
Because the cut is on the side seam, both the lid and the can are left with rolled edges rather than sharp ones.
You sit it on the rim of the can and press the button once. A small drive wheel grips the lip and walks the opener all the way around the can on its own, cutting as it goes. When it gets back to the start it stops, and you lift it straight off.
A side cutting opener like this one slices the seam on the side of the can rather than punching through the top, so the lid lifts off with a smooth rolled edge instead of a jagged one. It is the main reason we switched.
Yes, and that is who they help most. There is no squeezing, no clamping and no twisting — you place it, tap the button, and let the motor do the work. Anyone with arthritis, hand pain or limited grip strength can open a can unaided.
This one runs on AA batteries. Keep a fresh set on hand; when the motor starts to sound slow or stalls part way around a can, new batteries almost always fix it.
It handles standard round cans from small soup tins up to large family sizes. Badly dented rims and square or oddly shaped tins are where it struggles, because the drive wheel needs a clean, even lip to travel along.
If you open cans most days, or anyone in the house finds a manual opener painful, it is one of the cheapest quality of life upgrades in the kitchen. It is compact enough to live in a drawer and needs no counter space or outlet.
This is the exact automatic can opener in our kitchen — one touch, hands free, and smooth edges every time.
As an Amazon Associate, Little Hack Wins earns from qualifying purchases. Price and availability can change — check on Amazon.