How do the prices of the Dreame D20 and Roborock Q10V compare?

The Dreame D20 lands in the $200–$300 range, putting it in solid budget territory, while the [Roborock Q](https://www.amazon.com/s?k=Roborock+Q&tag=wehavethat-20)10V commands $400–$500 for better mapping and a more mature app ecosystem. The price gap shows these aren’t really competing with each other.