Irobot Roomba s9+ review
Test scoreShow Context
iRobot’s Roomba s9+ robot vacuum is by some distance the most expensive robot vacuum we’ve ever tested, with a price tag well into four figures. It has some impressive technology, such as a self-emptying dust container, but will it do the all-important job of keeping your home clean? If you’re thinking of buying this iRobot Roomba robot vacuum, read our full review to find out everything you need to know.
- Pros and cons
- What is it?
- What’s it great at?
- Is there anything I should watch out for?
- Is there anything else I should know?
- Should I buy it?
Technical specifications
Test results
The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.
Find out how we test robot vacuum cleanersPut us to the test
Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.
Compare retailers
Prices updated dailyPrices are ordered from lowest to highest, irrespective of retailer rating or stock, and exclude any potential delivery costs. We are not able to show every possible retailer and cheaper prices may be available. When you click on a retailer link on our site, we may earn affiliate commission. This supports our not-for-profit mission to empower consumers and in no way affects our recommendations. Find out more.
Make smarter choices
- 35%Lowest score
- 60%Average score
- 80%Highest score
Put us to the test
Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.
Suggested alternatives
Related articles
How to buy the best robot vacuum cleaner
Our expert guide to robot vacuum cleaners reveals which features to look out for and how much you should spend on cleaners from Dyson, Roomba and Samsung. Find out about robot vacuum battery life, cleaning modes and dust capacity.
How we test robot vacuum cleaners
Find out the lengths Which? goes to testing robot vacuum cleaners, from assessing how well each robot navigates a room to how good they are at cleaning.