CATEGORY : Robot Vacuum Cleaners

Knox Robot Vacuum and mop Cleaner VS. Roomba 891

product1
7.6
Winner:

Roomba 891

Reasons to buy Roomba 891:

  • button icon Cleans all floor types.
  • button icon Up to 5 times the air purifier.
  • button icon Sweeps away debris hiding along walls.
  • button icon Intelligently navigates your home.
Check price here....
VS
product1
4.5
Runners Up:

Knox Robot Vacuum and mop Cleaner

Reasons to buy Knox Robot Vacuum and mop Cleaner :

  • button icon Perfect for any floor.
  • button icon 3 cleaning modes.
  • button icon Mopping function.
  • button icon Built in smart sensors.
Check price here....

summary Review:

PERFORMANCE
WINNER :

Roomba 891

  • COVERAGE
  • SUCTION POWER
  • AUTO DOCKS AND RECHARGE
  • MULTI-ROOM NAVIGATION
  • QUIET OPERATION
  • BOOSTS SUCTION POWER
USABILITY
WINNER :

Roomba 891

  • HASSLE FREE OPERATION
  • REMOTE CONTROL WITH MOBILE APP
  • WIFI CONNECTED
  • CAN BE SCHEDULED
  • WORKS WITH ALEXA
DESIGN
WINNER :

Roomba 891

  • BOUNDARY STRIPS INCLUDED
  • FULL BIN INDICATOR
CONCLUSION
DRAW :
Comparison Winner
Roomba 891

Reasons why we like it:

  • COVERAGE
  • SUCTION POWER
  • AUTO DOCKS AND RECHARGE
  • MULTI-ROOM NAVIGATION
  • QUIET OPERATION
  • BOOSTS SUCTION POWER
  • HASSLE FREE OPERATION
  • REMOTE CONTROL WITH MOBILE APP
  • WIFI CONNECTED
  • CAN BE SCHEDULED
  • WORKS WITH ALEXA
  • BOUNDARY STRIPS INCLUDED
  • FULL BIN INDICATOR
Check price here....

COMPARISON – Knox Robot Vacuum and mop Cleaner VS. Roomba 891

PERFORMANCE

CLEANS UNDER FURNITURE

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

With only 2.9 inches tall, this robot vacuum is perfect for cleaning under furniture and hard to reach places.

Yes

With its low profile design. Roomba 880 can clean under beds, sofas, tables and kick boards. These are the places where dirt hides most.

COVERAGE

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

Multi-room coverage. Can clean both small and medium sized rooms.

SUCTION POWER

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

1000 Pa – better suction power than most robots

IDEAL FOR HOMES WITH PETS

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

This robot vacuum is ideal for homes with pets made possible by its high efficiency and dual HEPA filter which is good for picking up pet dander and pet hair.

Yes

The robot will be in position to capture and remove pet hair and debris left on the floor and carpet. You can also use the Concentrated cleaning function to vacuum areas where pets live most. The dual counter-rotating extractors will reduce on hair tangles.

CLEAN CORNERS AND ALONG WALLS

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

The presence of the dual side brushes makes it possible for the robot vacuum to clean corners and along walls.

Yes

Features Spinning side brushes which remove dirt from wall edges and corners

BATTERY LIFE

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

This robot vacuum can clean for up to 90 minutes after full charge.

Yes

iRobot promises that the battery can run for up to 2 hours, and based on our estimates, will last about 400 charges

CHARGE TIME

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

The rechargeable battery of this device can be charged for 1 hour until fully charged.

Yes

Charging time under normal conditions is at least 2 hours.

MULTI-FLOOR CLEANING

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

No matter what kind of floor your home has, our cleaner will get the job done. Great for tile and hardwood floors!

Yes

Able to clean floors and carpets of all types. The kind of floors it cleans include; tile, hardwood, laminate, linoleum WHILE the type of carpets it cleans include:low-pile and medium-pile carpets.

DEEP CLEANS THICK CARPETS

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

No

FOR LARGE ROOMS

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

No

AUTO DOCKS AND RECHARGE

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

Since it battery lasts for a short while – 60 minutes, this robot will auto dock and recharge so that it is ready for next usage.

RESUMES AFTER AUTO RECHARGING

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

No

MULTI-ROOM NAVIGATION

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

With its Multi-Room Navigation system, Roomba 891 can move clean from room to room. But if you want to prevent it from reaching specific rooms, you can use the 2 Virtual Wall Lighthouses.

AVOIDS STAIRS AND OBJECTS

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

This device has inbuilt anti-drop sensors which helps it avoid stairs and objects.

Yes

It automatically detects cliffs and stairs. So it won’t fall easily when it reaches the stairs. Once senses, the robot will change direction.

QUIET OPERATION

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

Makes very little noise – it’s not that disturbing

BOOSTS SUCTION POWER

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

The device is able to boost suction power 5 times more. Thus making it easier to remove debris and stubborn dirt on the floor and carpet.

HEPA FILTER

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

It has dual HEPA filters which is pet friendly and delivers clean air.

Yes

Yes, it features HEPA filters which capture 99% of allergens and dust mites that could make you sick.

MAPS & PLANS ROUTE

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

No

SWEEPS AND MOPS

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

This robot vacuum is able to sweep and mop when required.

No

CONCENTRATED CLEANING

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

This device has spot cleaning function which enables concentrated cleaning.

Yes

Uses Dirt Detect Series II technology that detects dirt that could go missing. With this technology, Roomba 891 can perform concentrated cleaning where it is needed.

EMPTIES ON ITS OWN

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

No

Roomba 891

USABILITY

HASSLE FREE OPERATION

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

you can control device with remote control. Easily create schedules and manage movements of the remote from the comfort of your sofa.

REMOTE CONTROL WITH MOBILE APP

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

All Wi‐Fi connected Roomba vacuuming robots are compatible on devices with Amazon Alexa and the Google Assistant. Simply ask Alexa or the Google Assistant to start, stop, or dock your robot.

WIFI CONNECTED

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

This device is wifi connected.

CAN BE SCHEDULED

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

Clean and schedule anytime, from anywhere with the iRobot Home App.

WORKS WITH ALEXA

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

All Wi‐Fi connected Roomba vacuuming robots are compatible on devices with Amazon Alexa.

ZONE CLEANING

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

No

Roomba 891

DESIGN

LARGE DEBRIS BIN

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

No

LOW PROFILE DESIGN

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

This device is made of a low profile design which can easily slide under hard to reach places.

Yes

With its low profile design. Roomba 880 can clean under beds, sofas, tables and kick boards. These are the places where dirt hides most.

BOUNDARY STRIPS INCLUDED

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

This device has boundary strips included.

BATTERY CAPACITY

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

1500 mAh Lithium Battery

Yes

1800 mAh.

DUST BIN CAPACITY

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

200ml

Yes

0.2 gallons

FULL BIN INDICATOR

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

Yes

This device ha got a full bin indicator that alerts you when you need to empty the bin.

VIRTUAL WALL INCLUDED

Knox Robot Vacuum and mop Cleaner
Roomba 891
No

No

PRODUCT DIMENSIONS

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

6.8 x 13.7 x 13.1 inches

Yes

13.9 x 13.9 x 3.6 inches

WEIGHT

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

4.9 pounds

Yes

10.2 pounds

Roomba 891

CONCLUSION

PROS

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

Perfect for any floor. Anti-cliff sensor. Bumper sensor. Pet friendly. Clean air. Rechargeable battery.

Yes

Very Easy to use • It cleans effectively • Will Clean under furniture • Hassle free operation • Cleans hardwood floors • Captures and removes Pet hair • Can be used in Carpeted rooms • Can clean Medium to Large rooms • Performs very well in high traffic rooms

CONS

Knox Robot Vacuum and mop Cleaner
Roomba 891
Yes

Device is not able to resume cleaning after recharging. It has no full bin indicator.

Yes

• Battery runtime is very low compared to other robot vacuum cleaners • Has a small debris bin • It Misses some spots even with the concentrated cleaning • Makes some noise • It clogs easily • Long charge time

Overall Winner

Roomba 891 Check price here....

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