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How the picker decides
Three questions do all the work. Pool type rules out wall-climbing (above-ground walls can't take it). What you want cleaned sets the minimum tier — floors are entry-level, walls are mid-tier, the waterline scum ring is premium territory. Budget then either meets that tier or the picker tells you honestly what the gap is, because a floor-only robot bought to clean walls just disappoints twice.
One honest wrinkle: suction cleaners look cheapest but run on your pool pump — hours of extra single-speed pump time can cost more per season than a robot's wall-outlet electricity. If your pump is single-speed, the pump savings calculator shows why that matters.
Before you click buy
Check the cable reaches your far corner (pool's longest dimension plus about 10 feet), the warranty runs 2+ years, and the filter basket loads from the top (bottom-load baskets get old fast). Then run the numbers in the payback calculator — it prices the robot against your own vacuuming hours, which is the only comparison that matters.
Frequently asked questions
Robotic vs suction vs pressure pool cleaner — what's the real difference?
Robots plug into the wall, drive themselves, and hold debris in their own basket — most effective, most expensive up front, cheapest to run. Suction cleaners connect to your skimmer line and wander using your pump's power — cheapest to buy, but they load your filter and run on your (pricier) pool pump. Pressure cleaners need return-side pressure, often from an extra booster pump, and mostly earn their keep in heavy-debris yards.
Can a robot climb the walls of an above-ground pool?
Generally no, and it shouldn't try — above-ground walls aren't built to take it, and most AG-rated robots are floor-only by design. That's fine: in an above-ground pool the floor is where nearly all the debris ends up anyway.
How long does a robotic pool cleaner last?
Plan on 3–5 seasons of regular use. The parts that die first are the cable (swivels help), tracks, and motor brushes. A 2–3 year warranty is worth real money here — treat it as part of the price, not fine print.
Is a more expensive robot actually better?
The price tiers map to real capability: entry robots do floors, mid-tier climbs walls, premium scrubs the waterline and adds app scheduling. Past that, extra dollars buy convenience, not cleaner water. Buy the cheapest tier that covers what you actually need cleaned — the picker above is exactly that logic.