What Is The Difference Between In Ground And Above Ground Cleaner?

I am looking for an automatic pool cleaner, but i found out that there are two type. one is in ground and one is abover ground. I don’t know what’s the different between the two.

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It’s referring to the type of pool you have. Above-ground cleaners mainly cover the bottom of the pool. Since the sides in most inground pools have either curves or slopes between the floor and the walls, (above-ground pools usually have right angles) the cleaners are generally able to climb the walls and clean them as well. (And, generally there will be a big price difference between the two types; in-ground cleaners generally cost a lot more.