Home Robot Vacuum Cleaners Irobot Roomba J7 Vs. Irobot Roomba 981

Irobot Roomba J7 Vs. Irobot Roomba 981 Review

7 minute read   Last updated on Mar 5, 2024
iRobot Roomba j7

iRobot Roomba j7

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Key features of the iRobot Roomba j7

Overall Score 6.4

  • Is Self-Emptying
VS
iRobot Roomba 981

iRobot Roomba 981

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Key features of the iRobot Roomba 981

Overall Score 5.9

  • Battery Power of 3000 mAh

A summary by feature comparison

Category Features iRobot Roomba j7 iRobot Roomba 981
COMMONLY ASKED FOR FEATURES has mapping and navigation
has an obstacle sensor
supports no-go zones
works with alexa
compatible with google assistant
number of cleaning modes 3only 4only
warranty period 1year 1year
DESIGN FEATURES dustbin capacity 0.6L 0.5L
indicates when full
weight 3.4kg 4kg
width 340mm 351mm
height 90mm 92mm
CLEANING PERFORMANCE AND POWER FEATURES battery power 3,000mAh
operating time 1.4h 2h
charge time 6h 3h
has auto-off
has dirt sensor
OTHER FEATURES is self-emptying
support a mobile application
doesn't get stuck
supports virtual barriers
has route mapping
has voice prompts
supports auto docking
has anti-fall sensor
can be scheduled
supports wi-fi
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Let's look at each feature category in detail

Commonly Asked For Features

Has Mapping And Navigation

A vacuum's ability to create a map of its cleaning area is one of the commonly asked-for features. The map it creates allows the robot to keep a record of the layout of the space. Mapping and navigation can be used for several purposes, for example the iRobot Roomba j7 having the mapping feature can provide efficient cleaning in the mapped-out areas keeping out of those that are not.

iRobot Roomba 981 also has the mapping and navigation feature, navigation involves how the robot vacuum moves around the cleaning area. Mapping and navigation often go hand in hand to help the vacuum move to the mapped-out spaces to be cleaned leaving out those that aren't.

Has An Obstacle Sensor

iRobot Roomba j7 has an obstacle sensor, this serves the purpose of detecting and identifying obstacles in the robot's way, allowing it to navigate around them thus avoiding collisions.

Also, the iRobot Roomba 981 has an obstacle sensor, obstacle sensors work together to provide the robot vacuum with a better understanding of its surroundings, enabling it to navigate around furniture, walls, and other objects when cleaning a room thus preventing damage to both the robot and its obstacles.

Supports No-Go Zones

No-go zones is a feature of many robot vacuum cleaners and the iRobot Roomba j7 is one of them. These zones are essentially digital boundaries or restricted areas that you can set up to prevent the robot from accessing specific areas or rooms during its cleaning cycle.

Works With Alexa

Most modern robot vacuum cleaners such as the iRobot Roomba j7 are built to work with Amazon Alexa, which means that they can be added to the Amazon Echo ecosystem and programmed using voice commands.

iRobot Roomba 981 can also work with Amazon Alexa, keep in mind that you will need an Alexa-enabled device such as an Echo speaker for voice control to work with your robot vacuum.

Compatible With Google Assistant

The iRobot Roomba j7 is compatible with Google Assistant, allowing you to control it using voice commands via Google Home devices or the Google Assistant app found on smartphones and tablets.

The iRobot Roomba 981 too is compatible with Google Assistant, it's advised to verify the level of compatibility with Google Assistant before purchasing a robot vacuum.

Number Of Cleaning Modes

iRobot Roomba j7 has 3 cleaning modes, the number of cleaning modes supported by robot vacuum cleaners can vary depending on the design of the robot vacuum.

The iRobot Roomba 981, having only 4 has more modes than the iRobot Roomba j7 with a difference of 1 Robot vacuum manufacturers offer different cleaning modes to provide users with flexibility and adaptability to various cleaning surfaces.

Warranty Period

iRobot Roomba j7 has a period of 1 year, warranty periods typically range from 1 - 2 years, but some higher-end models may give longer warranty periods.

iRobot Roomba 981, at 1 year has the same warranty period as that of iRobot Roomba j7. When considering a robot vacuum cleaner, it's important to read and understand the warranty terms and conditions, alongside any limitations or exclusions that may apply.

iRobot Roomba j7
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Design Features

Dustbin Capacity

The iRobot Roomba j7's dustbin capacity is at 0.6L, dustbin capacity indicates how much dust, debris, and pet hair the vacuum can hold before it needs to be emptied.

The iRobot Roomba 981, at 0.5L carries less dirt than the iRobot Roomba j7 with a difference of only 0.1L The dustbin capacity varies widely among different robot vacuum models, and the capcity you choose should depend on your cleaning needs and the size of the area you want to clean.

Indicates When Full

Many robot vacuum cleaners are equipped with sensors and indicators to notify users when the dirt collection container is full and needs to be emptied. iRobot Roomba j7 supports this feature, which prevents the robot vacuum from getting clogged thus performance will be maintained as soon as the bin is emptied.

iRobot Roomba 981 also can indicate when its dustbin is full, for a robot vacuum to indicate that it's full can improve the convenience of owning one since it minimizes the need for constant monitoring.

Weight

The iRobot Roomba j7 weighs 3.4kg, robot vacuums are generally designed to be lightweight and compact for easy maneuverability and carrying around.

The iRobot Roomba 981, at 4kg weighs more than the iRobot Roomba j7 by 0.6kg. It's important to consider the weight of the robot vacuum when choosing a model, especially if you plan to carry it up and down stairs

Width

iRobot Roomba j7 has a width of 340mm, often referred to as its cleaning path width, refers to the width of the area that it can properly clean in a single pass. The width of a robot vacuum is key as it can affect its efficiency and the duration it takes to clean a room

The iRobot Roomba 981, at 351mm measures more in width than the iRobot Roomba j7 with a difference of 11mm. A wider cleaning path can cover more ground in a single pass, reducing the time it takes to clean a room.

Height

iRobot Roomba j7's height measures 90mm, here you are considering the measurement from the bottom to its highest point. Height is a key consideration, especially if you have furniture with low clearance in your home.

The iRobot Roomba 981, at 92mm measures more in height than the iRobot Roomba j7 by 2mm. When selecting a robot vacuum, make sure that the robot vacuum can go under the furniture and navigate effectively in your living space without getting stuck or causing damage.

Cleaning Performance And Power Features

Battery Power

The battery power of a robot vacuum cleaner is a crucial factor that determines how long the vacuum can operate on a single charge. It is measured in milliampere-hours (mAh), iRobot Roomba 981's battery power is 3,000mAh

Operating Time

The operating time of a robot vacuum cleaner refers to the time the vacuum can clean continuously on a single charge before it needs to return to its charging dock for recharging. iRobot Roomba j7's operating time is 1.4h

The iRobot Roomba 981, at 2h lasts more than the iRobot Roomba j7 with a difference of 0.6h Always plan cleaning cycles around the vacuum's operating time to maximize efficiency and prevent "incomplete work" between charge intervals.

Charge Time

iRobot Roomba j7 has a charge time of 6h, the charge time of a robot vacuum cleaner refers to the amount of time it takes for the vacuum's battery to recharge fully after it has been depleted during a cleaning cycle.

iRobot Roomba 981, at 3h spends lesser time charging than the iRobot Roomba j7 with a difference of only 3h. Charge time is an important factor to consider when choosing a robot vacuum, as it determines how long you'll need to wait before the vacuum begins its next cleaning cycle.

Has Auto-Off

This feature is designed to automatically turn off the vacuum after it has completed a cleaning cycle or when certain conditions occur. iRobot Roomba j7 has an auto-off feature, which is useful for energy efficiency and battery preservation.

Also, iRobot Roomba 981 has this feature, overall, the auto-off feature in a robot vacuum is a valuable addition that in a way promotes energy efficiency, prolongs the vacuum's lifespan, enhances safety, and adds convenience to the cleaning process.

Has Dirt Sensor

iRobot Roomba j7 has a dirt sensor, these are designed to detect the availability of dirt, dust, or debris in the area being cleaned and can be used to adjust the vacuum's cleaning behavior during operation.

iRobot Roomba j7
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Other Features

Is Self-Emptying

Self-emptying bins or automatic dirt disposal systems like the iRobot Roomba j7, are modern robot vacuum models that have the ease of use feature to empty their dustbins automatically.

Support A Mobile Application

iRobot Roomba j7 supports a smartphone app, through which you can control and monitor the vacuum without getting to it physically but through your smartphone or tablet.

Both the iRobot Roomba 981 and iRobot Roomba j7 have mobile application support, this enhances the user experience by providing convenience, and ease update of features and functionalities.

Doesn't Get Stuck

This feature in robot vacuum cleaners is designed to eliminate the chance of the robot vacuum getting trapped while cleaning. Robot vacuums such as the iRobot Roomba j7 are equipped with various sensors and technologies to navigate around obstacles and avoid getting stuck, but the effectiveness of this feature varies among different models.

Both the iRobot Roomba 981 and iRobot Roomba j7 have the "anti-stuck" feature, but clearing clutter, ensuring proper cable management, and creating clear paths for the vacuums helps to further reduce the chances of becoming stuck during cleaning.

Supports Virtual Barriers

These virtual barriers are typically set up and controlled through the robot vacuum's mobile app, similar to no-go zones, these barriers are designed to help you control and restrict where the robot vacuum can and cannot go during cleaning.

Has Route Mapping

iRobot Roomba j7 has a route mapping feature which enables it to create a map of your space and plan efficient cleaning routes. This mapping capability improves the vacuum's ability to work effectively and systematically.

Route mapping is an important feature as it makes it possible for robot vacuums such as the iRobot Roomba 981 to adapt to the layout of your home to clean more efficiently and reduce the possibility of missing certain spots.

Has Voice Prompts

Voice prompts refer to audible messages that the vacuum states to give you information on the different states of the vacuum. iRobot Roomba 981 has this feature

Supports Auto Docking

Auto-docking is a feature that refers to the vacuum's ability to return to its docking station when predetermined conditions are met such as getting work done, battery running low, or any malfunction.

Both iRobot Roomba 981 and iRobot Roomba j7 support this feature, considered a convenient feature because it makes sure that the robot vacuum maintains its charge and readiness for cleaning with little or no manual intervention.

Has Anti-Fall Sensor

Most robot vacuum cleaners such as iRobot Roomba j7 come equipped with an "anti-fall" feature. This feature is intended to prevent the robot vacuum from falling off stairs, ledges, or other elevated surfaces, ensuring its safety during operation.

This safety feature that is also available on the iRobot Roomba 981 is key in mitigating accidents and protecting the robot vacuum from damage. It gives you peace of mind by ensuring that the vacuum will not fall off a ledge during its cleaning cycle.

Can Be Scheduled

iRobot Roomba j7 has this convenient feature, which allows you to set specific days or times of day for the robot vacuum to automatically start cleaning your home.

This feature in robot vacuums is particularly useful in keeping a consistently clean space with little or no manual intervention. iRobot Roomba 981 too allows scheduling.

Supports Wi-Fi

iRobot Roomba j7 supports Wi-Fi, Wi-Fi-enabled robot vacuums offer several advantages and features, such as remote control, mobile app integration, voice assistant compatibility, and remote monitoring.

Also, iRobot Roomba 981 supports Wi-Fi, Wi-Fi connectivity enhances the ease and flexibility of robot vacuum usage, giving more efficient and customized cleaning routines.

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