iRobot Roomba 960 cleans all floor types, this feature comes in handy, as different rooms within your home may have various types of flooring i.e. carpets. If a robot vacuum cleaner is stated as being able to clean all types of floors, it implies that the robot vacuum is designed and equipped to clean most flooring materials without much significant issues.
iRobot Roomba 621 aslo cleans all floor types, this means that it too is built to be versatile, giving effective cleaning performance on either carpets or hard floors commonly found in homes. iRobot Roomba 960 has an obstacle sensor, such a sensor serves the purpose of detecting and identifying objects in the robot's path, allowing it to navigate around them and avoid collisions. Also, the iRobot Roomba 621 has an obstacle sensor, obstacle sensors work together to provide the robot vacuum with a better understanding of its surroundings, making it possible to navigate around furniture, walls, and other objects when cleaning a room and preventing damage to both the robot and its obstacles.
iRobot Roomba 960 has 3 cleaning modes, the cleaning modes supported by robot vacuums varies depending on the design of the robot vacuum. iRobot Roomba 621, having only 3
has the same number of cleaning modes as the iRobot Roomba 960
Robot vacuum manufacturers may offer different cleaning modes to provide users with flexibility and adaptability to various cleaning floors. The iRobot Roomba 960 has a period of 1 year, this typically range from 1 year to 2 years, but some higher-end brands may offer longer warranties.
iRobot Roomba 621, at 1 year
has the same warranty period as that of iRobot Roomba 960. 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 960's dustbin capacity is at 0.6L, dustbin capacity indicates how much dust, debris, and pet hair the robot vacuum holds before it can be emptied.
The iRobot Roomba 621, at 0.5L
carries less dirt than the iRobot Roomba 960 with a difference of only 0.1L
The dustbin capacity can vary widely among robot vacuum models, and the size you choose should depend on your cleaning needs and the size of the area you want to clean. The iRobot Roomba 960 has twin side brushes, these brushes can be useful for certain cleaning tasks, as they help the robot vacuum more effectively sweep dirt and debris from corners and along edges. Many robot vacuum cleaners are equipped with sensors and indicators to notify users when the dustbin is full and needs to be emptied.
iRobot Roomba 960 supports this feature, which prevents the robot vacuum from getting clogged which means performance will be maintained as soon as the bin is emptied. iRobot Roomba 960 weighs 4kg, robot vacuums are commonly designed to be lightweight and compact for easy maneuverability and portability. iRobot Roomba 621, at 4.3kg
weighs more than the iRobot Roomba 960 by 0.3kg.
It's advisable to consider the weight of the vacuum when getting a model, and that's if you plan to carry it up and down stairs
iRobot Roomba 960 has a width of 350mm, often referred to as its cleaning path width, refers to the width of the area that the robot vacuum can effectively clean in one go. The width of a robot vacuum is important as it can affect its efficiency and the time it takes to clean a space
The iRobot Roomba 621, at 340mm
measures less in width than the iRobot Roomba 960 with a difference of 10mm. A wider cleaning path can cover more ground in a single pass, shortening the time it takes to clean a room.
iRobot Roomba 960's height measures 91mm, here you are looking at the measurement from the bottom to its highest point. Height is an important consideration, especially if you have furniture with limited clearance in your home. iRobot Roomba 621, at 92mm
measures more in height than the iRobot Roomba 960 with a difference of 1mm.
When selecting a robot vacuum, ensure that the robot vacuum can fit under the furniture and navigate effectively in your living space without getting stuck or causing damage. The battery power of a robot vacuum cleaner is a crucial factor that determines how long the vacuum can run on a single charge. Battery capacity is measured in milliampere-hours (mAh), iRobot Roomba 960's battery power is 2,600mAh
iRobot Roomba 621, at mAh4,500
has more battery power than the iRobot Roomba 960 with a difference of
A bigger capacity implies longer battery life which can be beneficial if you have a large space or if you would like the robot vacuum to complete operations without frequent interruptions to recharge.
The operating time of a robot vacuum cleaner refers to the amount of time the vacuum can clean continuously on a single battery charge before it needs to be recharged. iRobot Roomba 960's operating time is 1.25h
iRobot Roomba 621, at 1.5h
lasts more than the iRobot Roomba 960 by 0.25h
Always plan cleaning cycles around the vacuum's operating time to maximize efficiency and prevent "incomplete work" between charge intervals. iRobot Roomba 960 has a charge time of 2h, 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 621, at 3h
charges for longer than the iRobot Roomba 960 by 1h. 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. The operating power consumption of a robot vacuum cleaner refers to the amount of electrical power the vacuum uses while it's actively cleaning your home.
iRobot Roomba 960 has a power consumption of 30W, power is often measured in watts (W) and can vary among different robot vacuum models based on several consuption factors. iRobot Roomba 621, at 33W
consumes more power than the iRobot Roomba 960 with a difference of 3W. Lower power consumption can be more energy-efficient and cost-effective over time, however it may also affect cleaning performance, especially on carpets.
Auto-off is a feature designed to automatically turn off the vacuum after it has completed a cleaning cycle or when certain conditions occur. iRobot Roomba 960 has an auto-off feature, which is useful for energy efficiency and battery preservation. Also, iRobot Roomba 621 has this feature, overall, the auto-off feature in a robot vacuum is a key addition that in a way promotes energy efficiency, prolongs the vacuum's lifespan, enhances safety, and adds convenience to the cleaning process.
That's right, many modern robot vacuum cleaners can mop floors in addition to vacuuming. These robot vacuums are often referred to as robot vacuum with mopping function models and iRobot Roomba 960 is one of those robot vacuums
iRobot Roomba 960 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 cleaning cycle. You may want to consider buying either the iRobot Roomba 621 or iRobot Roomba 960 If you value the ability to automatically adjust the cleaning modes of the robot vacuum based on the level of dirt and debris in your space.
iRobot Roomba 960 supports a smartphone app, that allows you to control and monitor the vacuum without getting to it physically but through your smartphone or tablet. This feature in robot vacuum cleaners is intended to eliminate the chance of the robot vacuum getting stuck during cleaning. Robot vacuums such as the iRobot Roomba 960 are equipped with various sensors and technologies to move around obstacles and avoid getting trapped, however the effectiveness of this feature can vary among different models.
Both the iRobot Roomba 621 and iRobot Roomba 960 have the "anti-stuck" feature, however clearing clutter, ensuring proper cable management, and creating clear paths for the vacuums helps to further reduce the chances of becoming stuck during cleaning. These virtual barriers are set up and controlled via the robot vacuum's mobile app, similar to no-go zones, these barriers are setup to help you control and restrict where the robot vacuum can and cannot go during cleaning. iRobot Roomba 960 has a route mapping feature that enables it to create a map of your space and schedule efficient cleaning routes.
This mapping capability enhances the vacuum's ability to work effectively and systematically. Route mapping is an important feature as it enables robot vacuums such as the iRobot Roomba 621 to adapt to the layout of your space to clean more efficiently and reduce the chance of missing certain spots. Voice prompts are audible messages that the vacuum states to provide you information on the different states of the vacuum.
iRobot Roomba 960 has this feature
Auto-docking is a feature in robot vacuum cleaners that indicates the vacuum's ability to autonomously return to its docking station when predetermined conditions are met such as done with cleaning, battery running low, or any malfunction. Both iRobot Roomba 621 and iRobot Roomba 960 support this feature, considered a convenient feature because it makes sure that the robot vacuum maintains its charge and readiness for cleaning without requiring manual intervention. Modern robot vacuum cleaners such as iRobot Roomba 960 come having an "cliff detection" feature.
This feature is intended to save the robot vacuum from falling off stairs, ledges, or other elevated surfaces, thus its safety while cleaning. This safety feature that is also available on the iRobot Roomba 621 is key in preventing accidents and protecting the robot vacuum from damage. It gives you peace of mind knowing that the vacuum will not fall off a ledge during its cleaning cycle.
iRobot Roomba 960 has this convenient feature, which enables you to set certain days or times of day for the robot vacuum to automatically start working. The scheduling feature in robot vacuums is particularly useful in maintaining a consistently clean home with little or no manual intervention. iRobot Roomba 621 too allows scheduling.
iRobot Roomba 960 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.
