To find a good cheap robot vacuum, take advice from someone who has tested them. I have tested many robot vacuums in my home and found the best ones for under $500.

Mashable chooses the best tech products, including laptops and robot vacuums.

Some cheap robot vacuums are not good because they cut corners. They can get stuck under the couch instead of cleaning the floor.

Many cheap robot vacuums do not have enough power to clean carpets well. They also do not mop floors well.

Buying a cheap robot vacuum can mean it does not work well. But some cheap ones are good and have features like smart mapping and self-emptying.

Robot Vacuums

I updated the list in August 2026. I removed one vacuum and added the Dreame D20 Pro Plus.

In March 2026, I added the Eufy C28 as the best budget roller mop robot vacuum.

In July 2025, I replaced one vacuum with the 3i G10+ because it has stronger suction and better features.

I test robot vacuums in my home with two cats. I check how well they clean and if they are good value for money.

I test each robot vacuum on different floors and with different types of dirt.

I check if the robot vacuum can navigate around the house and find specific rooms.

A good robot vacuum should be easy to use and not too loud or ugly.

Some robot vacuums can empty their own dust bins and wash their mopping pads, which is very helpful.