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iRobot Roomba 205 Combo vs iRobot Roomba 105

Buy the Roomba 205 DustCompactor Combo if you want one robot that vacuums and mops and empties itself into a bagless compactor bin. Buy the Roomba 105 if you only need vacuuming and want to spend less. The 205's lowest recent price was $134.99 on November 1, against $179.95 on November 2; the 105's lowest was $99.99 on October 30, against $140.00 on November 1.

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iRobot
iRobot Roomba 205 DustCompactor Combo

iRobot Roomba 205 Combo

iRobot Roomba 205 DustCompactor Combo

See all prices and details

Choose the Roomba 205 DustCompactor Combo if you have hard floors and carpet and want mopping plus a bin that holds debris up to 60 days without bags.

Pros
  • Vacuums and mops in one pass or separately
  • DustCompactor bin holds debris up to 60 days without bags
  • LiDAR navigation and automatic carpet detection
  • Four suction levels and three liquid levels
  • Works with Alexa, Google Assistant and Siri
Cons
  • Costs more than the 105
  • Heavier at 3.83 kg
  • Mop pad needs washing by hand or machine
  • Small 0.11 gal liquid and debris capacity
iRobot
iRobot Roomba 105 Robot Vacuum

iRobot Roomba 105

iRobot Roomba 105 Robot Vacuum

3.5(423 ratings)
See all prices and details

Choose the Roomba 105 if you just need a basic vacuum and the $99.99 low price matters more than mopping or self-emptying.

Pros
  • Lowest recent price was $99.99
  • Light at 6 lb
  • Simple vacuum-only design
  • Works with Alexa, Google Assistant and Siri
Cons
  • No mopping
  • No self-emptying or compactor bin
  • No stated LiDAR or carpet detection
  • Rated 3.5 out of 5 from 423 ratings

What separates them

iRobot Roomba 205 ComboiRobot Roomba 105
Cleaning modesVac only, mop only, or combo vac-mopVacuum only
Debris storageBagless DustCompactor bin, up to 60 daysStandard bin, 0.1 gal
NavigationClearView LiDARNot specified
Carpet detectionAutomaticNot specified
Suction control4 suction levels, 70X power-lifting claimNot specified
Mop padReusable, washable microfibre pad, 3 liquid levelsNone
Weight3.83 kg (about 8.4 lb)6 lb
Lowest recent price$134.99 on November 1$99.99 on October 30

Price history

$179.95$99.99
Oct 30Nov 5
  • iRobot Roomba 205 Combo: lowest $134.99 on Nov 1 at Kohl's; $134.99 on Nov 5.
  • iRobot Roomba 105: lowest $99.99 on Oct 30 at eBay; $140.00 on Nov 1.

Prices at every store

iRobot Roomba 205 Combo

  • Kohl'sCheck price at Kohl's
  • PoshmarkCheck price at Poshmark
  • eBayCheck price at eBay

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Prices and history →

iRobot Roomba 105

  • AmazonCheck price at Amazon
  • The Home DepotCheck price at The Home Depot
  • Best BuyCheck price at Best Buy
Prices and history →

Specs compared

SpeciRobot Roomba 205 ComboiRobot Roomba 105
BaglessYesYes
CordlessYesYes
ColorBlackBlack
Assistant SupportGoogle Assistant, Amazon Alexa, SiriGoogle Assistant, Amazon Alexa, Siri
Capacity0.11 gal0.1 gal
Debris storage timeup to 60 days—
Suction power70X stronger power-lifting suction—
Scrubbing depth2X deeper scrubbing—
NavigationClearView™ LiDAR—
Carpet detectionautomatic carpet detection—
Cleaning modesvac only, mop only, or combo vac-mop—
Mop padre-usable, washable microfibre mop pad—
Show all 18 specsShow fewer specs
SpeciRobot Roomba 205 ComboiRobot Roomba 105
Dust bin typebagless DustCompactor™—
Suction levels4 level suction—
Liquid levels3 levels of liquid—
Robot dimensions101mm x 385mm x 359mm—
Robot weight3.83kg—
Weight—6 lb

What reviewers say

iRobot Roomba 105

  • 3.5 / 5423 ratings

Owner feedback is mixed: buyers like the price and the easy app setup, but many complain about the small bin, random pathing and weak pickup on carpet.

What people mention
  • Bin sizeCriticisedOwners say the 0.1 gal bin fills after one or two rooms and needs emptying mid-clean.
  • NavigationCriticisedReviewers describe random bouncing rather than a mapped route, so some spots get missed.
  • Carpet pickupCriticisedSeveral owners report it leaves hair and grit behind on rugs and carpet edges.
  • SetupPraisedBuyers find pairing with the app and voice assistants quick and painless.

Questions and answers

Which is better for homes with both carpet and hard floors?
The Roomba 205. It detects carpet automatically and switches between vac, mop and combo modes. The 105 only vacuums.
Is the Roomba 205 worth the extra money?
If you want mopping and a bin that holds debris up to 60 days, yes. At their recent lows the gap was about $35: $134.99 versus $99.99.
Does either robot need bags?
No. Both are bagless. The 205 uses a DustCompactor bin that holds debris up to 60 days; the 105 has a standard 0.1 gal bin.
Which is lighter?
The Roomba 105 at 6 lb. The 205 weighs 3.83 kg, about 8.4 lb, because it carries the mop hardware and compactor.
Do both work with voice assistants?
Yes. Both list Google Assistant, Amazon Alexa and Siri support.
How often do I have to deal with the mop pad on the 205?
The microfibre pad is reusable and washable, so you remove and wash it after mopping runs rather than buying replacements.

More comparisons

  • iRobot Roomba 205 DustCompactor Combo vs Goovi Robot Vacuum and Mop Combo with 3D Home Mapping Self-Emptying Base
  • iRobot Roomba 105 Robot Vacuum vs iHome AutoVac Eclipse Robotic Vacuum
  • PrettyCare Robot Vacuum and Mop Combo Cleaner L1 PRO vs iRobot Roomba 205 DustCompactor Combo

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