- Cleaning quality and algorithm, mobile application, ease and cost of maintenance, battery life. Cleaning speed is approximately 1 m2 per minute. Our "three-ruble note" has 39 m2 of furniture-free floor (according to the vacuum cleaner) and a few more meters under the carpets, so a full cleaning takes about 30 minutes, and the battery lasts for 60 minutes. So there's a lot of stock.
- Does not cope with some types of carpets (more on that below). Solution: To clean such carpets, remove the water container and unscrew the spinner to sweep dust from the corners.