Tesco in the UK has had handheld scanners for years, and are trialling scales.
this post was submitted on 13 Mar 2025
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Ikea does this with their app, but generally, you go to ikea to get one or two items, so it doesn't really speed up the proccess of checking out
These exist, albeit not attached to the trolley (which makes sense).
Stop & Shop in the US does this (or at least it did? I never used it so I barely pay attention to it lol). There's like a wall of handheld scanners you can pick up when you enter and a little place on the cart for them to go in. You can scan and bag your stuff as you go and then pay at a special register.
They definitely still do it at both locations in my town. I shop for one, so I've never felt the need to try it out, but I see other people using them regularly.
We have that in France too.
If you jump to the 16 minute mark of this video, you can see engineers in the 90s brainstorming the concept of having a scanner built into the cart. The idea has been around for a while.
The whole video is a time capsule in itself.