iRobot Roomba i3+ EVO (3550) Self-Emptying Robot Vacuum – Now Clean by Room with Smart Mapping, Empties Itself for Up to 60 Days, Works with Alexa, Ideal for Pet Hair, Carpets​, Roomba i3+
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iRobot Roomba i3+ EVO (3550) Self-Emptying Robot Vacuum – Now Clean by Room with Smart Mapping, Empties Itself for Up to 60 Days, Works with Alexa, Ideal for Pet Hair, Carpets​, Roomba i3+

4.0/5(18,986 reviews)

$394.95

Fair Price

Usually $369.60 · lowest $162.99

Best for: Pet households under 1,500 square feet with mostly hard floors who want a daily maintenance robot and can tolerate a few seconds of jet-engine noise per cycle; skip for large homes, noise-sensitive households, or anyone expecting set-it-and-forget-it reliability.

Price History

28% off list priceFair price
$348.30$456.62$564.9390d avg $369.60List $549.99Jul 2025Jul 2025Aug 2025Dec 2025
All-Time Low
$162.99
All-Time High
$599.99
90-Day Avg
$369.60
30-Day Avg
$399.76
Current
$394.95

Price last checked Jul 2, 2026. Amazon prices change frequently — click through for the current price.

What buyers say18,986 ratings
5
61%
4
15%
3
6%
2
5%
1
13%

The self-empty base and room mapping turn daily vacuuming into a once-a-quarter bag change for many pet owners, and the straight-line navigation pattern covers open layouts efficiently. Battery stamina forces mid-job recharges in homes over about 1,400 square feet, the base suction cycle roars like an upright for several seconds, and a subset of owners wrestle with app disconnects and bin sensor false alarms after months of use.

Best for: Pet households under 1,500 square feet with mostly hard floors who want a daily maintenance robot and can tolerate a few seconds of jet-engine noise per cycle; skip for large homes, noise-sensitive households, or anyone expecting set-it-and-forget-it reliability.

Loved by buyers

  • Clean Base stretches one bag to two to four months in multi-cat homes
  • Mapping runs produce a usable floor plan that enables room-specific schedules
  • Picks up cat litter, kibble, and fur tumbleweeds from hard surfaces daily
  • Brush assembly and wheels pop apart for cutting out long hair without tools

Buyer concerns

  • Battery requires one or two recharge pauses to finish a 1,400+ sq ft home
  • Self-empty cycle is startlingly loud, ruling out overnight schedules near bedrooms
  • Proprietary disposal bags are a recurring expense some owners resent
  • Bin-full sensor and Clean Base communication failures crop up after the first year

Frequently Asked Questions

Does the Roomba i3+ handle pet hair well?+
Yes, it effectively picks up pet hair from hard floors and carpets. Owners with multiple cats and dogs report no hair tumbleweeds and clean floors after daily runs.
How loud is the Roomba i3+?+
The vacuum itself is relatively quiet, similar to a loud dishwasher. The auto-empty base is very loud but only for a few seconds when emptying.
How long does the self-emptying bag last?+
The bag lasts 2 to 4 months with regular use. One reviewer on a Monday-Wednesday-Friday schedule changes it every 3 to 4 months.
How long does the battery last on a single charge?+
It runs up to 1.75 hours before needing to recharge. In homes around 1400 sq ft it may need to dock and resume, while smaller spaces can be completed in one cycle.

Key Features

  • PERFORMANCE: The iRobot Roomba i3 plus (3550) Wi-Fi Connected Robot Vacuum pulls in stubborn dirt with a Premium 3-Stage Cleaning System and 10X the Power-Lifting Suction. Control how you clean with the iRobot Home app or your voice assistant
  • AUTOMATIC DIRT DISPOSAL: Forget about vacuuming for months at a time with the Clean Base Automatic Dirt Disposal that allows the i3 plus to empty itself for up to 60 days.
  • APP: The newly updated iRobot Home App allows you to upgrade your overall cleaning experience. Enjoy features that work around your life, including personalized scheduling suggestions and seasonal recommendations, all tailored to your unique needs
  • VOICE ASSISTANCE: The Robot Vacuum learns your cleaning habits to offer up personalized schedules, while Google Assistant and Alexa allow you to start cleaning with just the sound of your voice. The i3 will even suggest an extra clean when your area’s pollen count is high or during pet shedding season
  • TECHNOLOGY: Patented Dirt Detect Technology helps your robot find the dirtier areas in your home, like high-traffic spots, and cleans them more thoroughly