These are the 9 Prime Day Roomba deals I'd buy — biggest savings on robot vacuums

iRobot Roomba j7+: was $649 now $399 @ Amazon
Roomba's smartest robot vacuum can avoid things like cords on the ground as well as dog poop. Its charging base also empties the vacuum, so you don't have to worry about cleaning it out for up to two months. Plus, you can schedule it to clean certain rooms and areas where messes occur more frequently. It's now at its lowest price ever.

iRobot Braava jet m6: was $499 now $399 @ Amazon
The best robot mop we've tested is currently on sale at Amazon. In our Braava jet m6 review, we found this device was the best at cleaning up spills and stains on our floor. It also works with the Roomba S9 and i7—once they finish vacuuming, they can tell the m6 to start mopping.
Check other retailers: $349 @ Best Buy | $349 @ Walmart

Roomba 694 robot vacuum cleaner: was $274 now $199 @ Amazon
This robot vacuum offers both style and function, getting the job done for a budget price. The Roomba 694 is easy to control through the app, and even offers geofencing, a feature that’s usually only found on more expensive robot vacuum cleaners.

iRobot Roomba j6+: was $799 now $399 @ Amazon
With a whopping 50% off, this is the cheapest price you'll get for such an advanced Roomba. We haven’t tested this model exactly, but we have tested the j7+ which features the same Pet Owner Official Promise (POOP). It’s guaranteed to detect and avoid pet poop, or else iRobot will replace it for free. With an automatic self-emptying base that can hold up to 60 days of dirt, this robot vacuum will actually learn from its encounters and recognize obstacles. 

iRobot Roomba s9+: was $999 now $599 @ Amazon
The Cadillac of Roombas, the Roomba s9+ is one of the best Roombas you can buy. Of course, its seriously superior suction and corner-cleaning abilities come at a higher price, which is why we're happy to see it on sale. In our tests, the Roomba s9+ earned a perfect score when picking up kitty litter on hardwood and carpet. It also excelled at picking up dog hair, which also makes it one of the best robot vacuums for pet hair.

iRobot Roomba i6+: was $799 now $738 @ Amazon
The iRobot Roomba i6+ maps out your entire home so that it can clean the living room one day and the kitchen the next. It deposits dirt into its base so that you don't have to empty the Roomba manually and it can work in tandem with the Braava m6 robot mop for a thorough clean.

iRobot Roomba i4+: was $599 now $349 @ Amazon
The iRobot Roomba i4+ is a newer version of the i3+. We named the latter one of the best Roombas you can buy. Although we haven't tested the i4+, this model promises more battery life and the ability to detect dirtier areas of your home and focus on those areas.

iRobot Roomba j7: was $599 now $392 @ Amazon
This discount just got so much better, and the j7 is definitely worth a look for pet owners. This clever bot can recognize and avoid obstacles such as pet poop and cables, plus it learns from it's encounters. Robot vacuums don't come much more advanced than this.

iRobot Roomba i4 Evo: was $382 now $199 @ Amazon
This robot vacuum offers all of the smart features you would expect, but for a great price. It will detect dirtier areas of your floors and clean those spots more thoroughly as it works. Plus, it’s smart enough to make suggestions for your schedule too, such as recommending more vacuuming during pollen season or when pets are more likely to shed. It’s now at its lowest price ever.