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Roomba i7 vs. i7+ Comparison Review

iRobot RoombaOne of the landmark innovations from iRobot is the self-emptying bin technology, which was introduced with the I series that includes Roomba i7 (7150) and Roomba i7+ (7550).

These two models have been very confusing, and today, in this Roomba i7 vs. i7+ comparison review, we have explained the differences in detail and gave our recommendations on which is the best choice.

Comparison Table

Model
Great Choice
iRobot Roomba i7 (7150)...
Best Choice
iRobot Roomba i7+ (7550)...
Star Rating
Dimensions
13.34 x 13.26 x 3.63 inches
13.34 x 13.26 x 3.63 inches
Weight
7.44 pounds
7.44 pounds
Navigation
Visual Nav + Smart Mapping
Visual Nav + Smart Mapping
Mapping
Suction Power
1700 Pa
1700 Pa
Сleaning Area
1991 ft2 / 185 m2
1991 ft2 / 185 m2
Dustbin Capacity
500 ml
500 ml
Filter
High-Efficiency Filter
High-Efficiency Filter
Battery Capacity
3300 mAh
3300 mAh
Run time
75 min
75 min
Charging Time
120 min
120 min
Wi-Fi / Smartphone App
Recharge & Resume
Noise Level
68 db
68 db
Clean Base + AllergenLock Bags
Check Price
Great Choice
Model
iRobot Roomba i7 (7150)...
Star Rating
Dimensions
13.34 x 13.26 x 3.63 inches
Weight
7.44 pounds
Navigation
Visual Nav + Smart Mapping
Mapping
Suction Power
1700 Pa
Сleaning Area
1991 ft2 / 185 m2
Dustbin Capacity
500 ml
Filter
High-Efficiency Filter
Battery Capacity
3300 mAh
Run time
75 min
Charging Time
120 min
Wi-Fi / Smartphone App
Recharge & Resume
Noise Level
68 db
Clean Base + AllergenLock Bags
Reviews
Check Price
Best Choice
Model
iRobot Roomba i7+ (7550)...
Star Rating
Dimensions
13.34 x 13.26 x 3.63 inches
Weight
7.44 pounds
Navigation
Visual Nav + Smart Mapping
Mapping
Suction Power
1700 Pa
Сleaning Area
1991 ft2 / 185 m2
Dustbin Capacity
500 ml
Filter
High-Efficiency Filter
Battery Capacity
3300 mAh
Run time
75 min
Charging Time
120 min
Wi-Fi / Smartphone App
Recharge & Resume
Noise Level
68 db
Clean Base + AllergenLock Bags
Reviews
Check Price

Comparison Price History

Roomba i7 (7150)

Roomba i7
View on Amazon

The Roomba i7 is the base model in the I series.

It is a great deal for the budget buyers who don’t mind sacrificing the CleanBase unit for the cheaper price.

Important

While it doesn’t come with the CleanBase unit, it works with the iRobot self-emptying bin technology.





Roomba i7+ (7550)

Roomba-i7+
View on Amazon

The Roomba i7+ is the ceiling model and a complete package if you are keen on a Roomba that has all the accessories needed for automatic self-emptying.

But as the plus model, expect to pay more for it.











Roomba i7 vs. i7+ Face to Face Comparison

In this segment, we will compare these two Roombas by looking at their main features and how they compare. So without further ado, let’s get to business.

Design and Aesthetics

Design and Aesthetics
As a buyer, you should be able to tell the difference between these two models from the aesthetics. It’s also important to buy a model with a low profile design to ensure it creeps under the sofas, kickstands, and other low profile furniture where most dirt hides.

As far as the design goes, the two models are the same. They have a 13.34-inches diameter and stand at 3.63-inches.

But overall, the i7+ is much bigger now that it includes a CleanBase unit, which is 19-inches high and 12.2-inches wide.

As for the aesthetics, they have been finished in black with some glossy accents. The top interface has three buttons; a large CLEAN button at the center and two smaller Spot mode and Home buttons on either side of the clean button.

Cleaning Performance

Which Roomba between the two offers the best cleaning performance? That’s what we are going to find out in this segment. We will also be sharing our exclusive cleaning test results.

Cleaning Orientation

Roomba i7 and i7+ have been designed to sweep and vacuum only, so don’t expect them to have any extras like mopping. Even the premium Roomba at the moment, the S9 and S9+, don’t integrate mopping functions as we have seen in other brands such as Roborock and ECOVACS.
Cleaning Orientation
When it comes to application, the two are also similar. You can rely on them to clean bare floors (hardwood, tile, linoleum, vinyl, etc.) and low to medium pile carpets. They are also good at picking up pet hair (short and long pet hairs) without any problem.

Suction Power

A good robot vacuum should have high suction power and preferably dynamic suction levels.

These two robot vacuums are also similar when it comes to suction power. They come equipped with the older generation motor, the same one in the Roomba 800 series, E5/E6, and 960.
Suction Power
This is a single-speed motor that delivers an average of 900pa, enough to vacuum bare floors and low to medium pile carpets.

However, on a high pile carpet, shag, and rugs, it gets overwhelmed. If you want a reliable Roomba for carpets, check out the Roomba 980 or the new S9/S9+, which have dedicated carpet modes.

Cleaning Head

There are three features to look out for when assessing a Roomba’s cleaning head; adjustability, the primary brushroll, and the secondary brush.
Cleaning Head
Roomba i7 and i7+ are similar here. The two models have self-adjusting cleaning heads, which make sure there is sufficient contact with the surface.

The brush system is based on the Roomba AeroForce technology, which consists of a dual multisurface rubberized brush. There is a brush for agitating dirt and another one for picking up the dirt. The primary brush is complemented by a sweeping brush on one side of the robot vacuum.

Filtration

The filtration system is also a worthy talking point when comparing these two robot vacuums. Here, we’ll assess two features; filters and the dust bin capacity.
Roomba i7+ Filtr
Roomba i7 and i7+ both come with high-efficiency filters, which are not HEPA grade but will still get the job done. Unlike the other AeroForce filters, this one is a bit smaller in size but packs the same efficiency.

Regarding the bin size, the duo is also similar. They feature a 0.3L bin and have a full bin indicator.

Automatic Self-Emptying

The talk of the town in the robot vacuums industry is the self-emptying bin technology. This is a system that makes robot vacuums completely robotic.
Automatic Self-Emptying
The Roomba i7 and i7+ both work with the iRobot self-emptying technology. It empties the bin automatically when the Roomba docks. That means users don’t have to worry about manually emptying the bin now and then as the unit can hold a month’s dirt.

While both Roombas work with self-emptying technology, there is a difference in terms of the accessories included. Roomba i7 doesn’t come with a CleanBase unit while the i7+ tags along with this accessory.

Battery and Runtime

The battery of the robot vacuums determines their runtime and, consequently, the floor area that they can clean on a single charge. It’s also important to assess aspects such as power management and life cycle.
Battery and Runtime
Roomba i7 and i7+ are very similar here. They both feature 1800mAh lithium-ion batteries, which have been optimized to run for 75 minutes and recharge for 2-3 hours.

When it comes to power management, both vacuums have the auto-recharge and resume function, which implies that they will dock automatically to recharge, and once they are fully charged, they will resume cleaning without being prompted further. As far as the life cycle goes, the battery lasts for 12 – 18 months, depending on usage.

Navigation and Mapping

While the battery determines the area a robot vacuum will clean, the navigation and mapping system dictates where the robot will reach, and the cleaning efficiency. Navigation is all about how the robot finds its way around your house while mapping revolves around how the robot scans and plans the cleaning pattern.
Navigation and Mapping
Roomba i7 and i7+ have the same navigation and mapping systems. They both come with iAdapt 3.0 navigation, a technology that relies on VSLAM (Visual Simultaneous Localization and Mapping) algorithm. There is a set of obstacle detection sensors and cliff detection sensors that work hand in hand with a real-time camera. The duo is very accurate in high traffic rooms and homes with multiple rooms compared to Roombas that rely on SLAM algorithms only.

When it comes to mapping, Roomba i7 and i7+ have an intelligent floor scanning and mapping system dubbed Imprint™ Smart Mapping. This addition enables the robot to identify the different rooms and store maps. You can tell the Roomba to clean the kitchen only instead of the entire house. Last is regarding containment, and both Roombas work with Virtual Walls.

Smart Features and Convenience

In this smart home revolution, you definitely want a smart Roomba that can sync with other devices, including your smartphone. Both Roomba i7 and i7+ are smart and have the same features and functionality.
Smart Features
You can operate them right from your smartphone courtesy of the iRobot HOME app for Android and iOS devices. Besides smartphone operation, these two Roombas can integrate with voice assistants – talk of Alexa and Google Assistant.

When it comes to convenience, the two have the schedule function. As the name suggests, the scheduling function allows homeowners to program the robot vacuum to clean at specific times. You can schedule them for seven days straight.

Our Verdict: Roomba i7 vs. i7+

As mentioned earlier, these two Roombas are very similar. It’s only that the plus model comes with the CleanBase unit. So, the big question is, should you buy the Roomba i7 or the i7+.

verdict

If you are looking for the convenience of automatic self-emptying, get the Roomba i7+ but know that it is more expensive. If you are on a budget, you can get the cheaper i7 and upgrade by buying the CleanBase unit later on. There are several other robot vacuums with self-emptying, which can be great alternatives to the Roomba I series. Some of the big names include Roomba S9/S9+ and Shark IQ Robot 101AE.

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