Find the Best Robotic Pool Cleaner

For most inground pools the Dolphin Nautilus CC Plus (~$799) is the best overall robotic pool cleaner: it uses two active scrubbing brushes, filters fine debris into its own top-access basket, and runs independently of your pool pump. The Beatbot AquaSense 2 (~$1,499) is the most capable cordless robot, and the Aiper Scuba S1 (~$699) is the best budget cordless pick for pools up to about 40 ft.

Expect roughly $250 to $1,500. Budget cordless robots such as the Aiper Seagull SE start around $250, the above-ground Dolphin E10 runs about $499, the mainstream Dolphin Nautilus CC Plus about $799, and premium AI robots like the Beatbot AquaSense 2 reach about $1,499. Spending more mainly buys cordless operation, wall and waterline climbing, and smarter navigation.

Yes for most pool owners. Per the U.S. Department of Energy, the pool pump is among the largest energy users in a home with a pool — and a robotic cleaner runs on low-voltage power independent of that pump, so it cleans without adding to the pump-and-filter load. Maytronics estimates a typical Dolphin cleaning cycle costs only a few cents of electricity, which is why robots are the most energy-efficient cleaner type.

Robotic cleaners have their own motor and filter basket, scrub floors and walls, and are the most energy-efficient and thorough. Suction cleaners are cheapest but rely on your pump and send debris into your skimmer. Pressure cleaners connect to a return line and bag large debris before it reaches your filter, which makes them strong for heavy leaf loads. For most owners, robotic wins.

A quality robot such as a Dolphin or Beatbot typically lasts 4 to 7 years with basic care: rinse the filter after every run, store it out of direct sun, and replace brushes and tracks as they wear. Cheaper no-name units often last only 2 to 3 years, which is why an established brand with a parts and warranty network is usually the better value.

Not on its own. Chemistry does the killing: the CDC recommends holding free chlorine at 1 to 3 ppm and pH between 7.2 and 7.8 to control algae. A robot removes the dead algae afterwards, and because dead-algae particles are only a few microns across you will want an ultra-fine filter cartridge and two or three passes to capture it all.