iRobot Roomba 635 - Reviews, Prices, Specs and Alternatives

iRobot Roomba 635

iRobot Roomba 635
$279.95 View deals
Price updated 4 hours ago

Compare iRobot Roomba 635 with:

Ecovacs Deebot N79
Ecovacs Deebot N79
Eufy RoboVac 11
Eufy RoboVac 11
iRobot Roomba 650
iRobot Roomba 650
Other Robotic Vacuum
General Info
Popularity 0-100 scale indicating how frequently people buy the product online. Recalculated daily.
84 / 100
Brand
iRobot
Physical Features
Color Mouse over a color for a picture
Black and Gray

Price Range:

Key features
  • 3-Stage Cleaning System
  • Dual Multi-Surface Brushes
  • Auto-Adjust Cleaning Head
  • Edge-Sweeping Brush
  • Full suite of intelligent sensors
  • Cliff Detect sensors
  • Automatically docks and recharges
  • 3.6" low profile

iRobot Roomba 635 is a very popular and one of the more expensive options. It's in the top 3 bestselling robotic vacuums and has dozens of popular alternatives in the same price range, such as bObsweep PetHair or Irobot Roomba 620 .

iRobot Roomba 635 is $50.95 more expensive than an average robotic vacuum ($229).

Customer Reviews Reviews from real customers who bought the product on Amazon

Questions about Robotic Vacuums

There are 88 questions about Robotic Vacuums. Ask a question Show all

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Which one to buy that's good. And is affordable. I have carpet , wood floor , vilnyl and ceramic
Related: Eufy RoboVac 11, Robotic Vacuums | Submitted by Karen 21 days ago
A:

It depends on what you consider to be affordable. If the Eufy RoboVac 11 is in your price range, it is definitely worth checking out. It's compact, runs quietly, and features a powerful battery that will run up to 1.5 hours. This vacuum has a triple layer filter which is good for filtering dust and allergens as well. Assuming you have thin carpet (no shag or high pile) then this would work perfectly for you. The one downside is that it has no virtual wall capability, meaning that it can't be restricted from going into certain areas (e.g. a baby's room) although it can detect stairs and other drops so it won't break. 

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The best option for pet hair. I have 3 cats.
Related: bObsweep PetHair, Robotic Vacuums | Submitted by Chris 26 days ago
A:

I would say two great choices to combat pet hair would be either the bObsweep PetHair, or the Irobot Roomba 960. They both have HEPA filters and large bins to hold a lot of pet hair and dirt (so they won't have to be empties as frequently). 

The bObsweep PetHair would be the cheaper choice, but do not let that discourage you from trying it out. It was designed to combat pet hair. It however may pose an issue if you have a two floor house because it has no stair detection (meaning that it will drop if there is no barrier at the top of the stairs). Its bin is also slightly larger than the 960’s (1000 mL vs. the 960’s 900 mL). It’s not only designed to handle pet hair, but also paw prints, as it is a combination of a vacuum and a mop.

The Irobot Roomba 960 on the other hand is able to handle fringes and cables quite well with its tangle free extractors, and has stair detection, making it an optimal choice if you have a multi story house. It also gives you the ability to control where it can or cannot go with the virtual wall (these may cost extra, however). 

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What is a better vacuum? Irobot 960 or Samsung powerboat r7010?
Related: Irobot Roomba 960, Samsung Powerbot R7010, Robotic Vacuums | Submitted by anonymous 28 days ago
A:

It ultimately depends on what you're going for. The Irobot Roomba 960 is a good choice if you what something with a very large bin, and is tough no thick carpet. This would be an optimal choice for pet owners. This bot is more expensive, but has great versatility, has remote control capabilities, and is features tangle-free extractors to combat those pet hairs that want to clog the vacuum. 


The Samsung Powerbot R7010 is a good choice if you want something more affordable, with decent results. It features four cleaning modes: auto cycle, spot cycle, max cycle, and manual. It has a bin that holds up to 300 mL( about 600 mL less than what the 960 has - it will need to be emptied more frequently), and does not feature a remote control. This would be a wonderful choice if you want a bot that cleans edges efficiently, and can map and navigate the area with ease.

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whats a good robovac that will mop tile floor?
Related: iRobot Roomba 980, Robotic Vacuums | Submitted by Chris 28 days ago
A:

There are a few decent choices for mopping tile floor, so it ultimately depends on what sort of features you're looking to get with the mop. The iRobot Roomba 980 is more suited to carpet. The ILife V5s or the iRobot Braava 380t would be great choices to consider for mopping.

The ILife V5s features a water tank for damp mopping hardwood floors. It has the ability to return to its charging station upon job completion or when the battery runs low. It also comes with a remote control. The 4 cleaning modes are: auto clean, spot clean, wet clean, and edge clean. This is a great choice if you want a low cost robot mop, that works effectively. A downside to this is its small bin size of only 203 mL (while the 380T model has 539 mL bin).

In the case of the iRobot Braava 380t, this is a great choice if you want a robot mop that has a great battery life. It can work up to 3.5 hours of sweeping and 2.5 hours of mopping. It also has a great navigational system thanks to its northstar navigation system. It features 3 modes: dry sweeping, damp sweeping, and wet mopping. A downside is that unlike the ilife model, this robot does not have an auto return feature (meaning that you'll have to find it yourself and return it to the charging station when the battery dies), nor does it have remote control capability.

So, it boils down to what you prefer, a longer battery life at a higher cost, or a few auto return features at a lower cost. Bear in mind that while both the ILife V5s and iRobot Braava 380t have mopping features, like all robotic vacuums, they are intended for superficial cleaning only and will not be able to tackle deep stains or big messes very effectively.

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how to get the n79 unit to go back to the base unit
Related: Ecovacs Deebot M80, Ecovacs Deebot N79, Robotic Vacuums | Submitted by anonymous 30 days ago
A:

You shouldn't need to do anything to have the n79 model go back to the base unit. When its battery power gets low, Ecovacs Deebot N79 automatically returns to its charging dock, all by itself. Not only does it have auto return, but will continue cleaning on its own once it’s fully recharged. 

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