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iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function vs Dyson Spot+Scrub™ AI Wet Robot Vacuum with Mop - 18

Updated August 2026The iRobot Roomba® 405 Combo offers great value with strong cleaning capabilities, while the Dyson Spot+Scrub™ excels in advanced technology and stain removal. Choose based on your budget and cleaning needs.

The iRobot Roomba® 405 Combo offers great value with strong cleaning capabilities, while the Dyson Spot+Scrub™ excels in advanced technology and stain removal. Choose based on your budget and cleaning needs.

Why iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function is better

price

iRobot is £500 cheaper

mopping flexibility

iRobot can use cleaning solutions or just water

auto-cleaning dock

iRobot has a dedicated AutoWash Dock for pads

Why Dyson Spot+Scrub™ AI Wet Robot Vacuum with Mop - 18 is better

suction power

Dyson has a powerful 18000Pa motor

AI features

Dyson adapts cleaning based on detected surfaces

self-cleaning

Dyson cleans its roller during operation

Overall score

iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function
75
Dyson Spot+Scrub™ AI Wet Robot Vacuum with Mop - 18
85

Specifications

SpeciRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop FunctionDyson Spot+Scrub™ AI Wet Robot Vacuum with Mop - 18
BrandiRobotDyson
Price£349.00£849.00
Mopping SystemDualClean12-point hydration
NavigationLiDARdToF LiDAR
Voice ControlYesYes

Dimension comparison

iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop FunctionDyson Spot+Scrub™ AI Wet Robot Vacuum with Mop - 18

Introduction to Robotic Cleaning Solutions

When it comes to robotic vacuums, the iRobot Roomba® 405 Combo and the Dyson Spot+Scrub™ AI Wet Robot Vacuum stand out in functionality and technology. Priced at £349.00 and £849.00 respectively, these devices offer distinct features tailored to different cleaning needs. Understanding their capabilities can help you make an informed decision about which vacuum cleaner is right for your home.

Cleaning Performance

The iRobot Roomba® 405 Combo boasts strong suction capabilities, claiming to provide 70 times more suction than the Roomba 600 series, effectively lifting dirt and debris from various surfaces. It features DualClean Mop Pads that allow for a comprehensive clean, combining vacuuming and mopping functions. In contrast, the Dyson Spot+Scrub™ excels with its powerful 18000Pa motor, designed to capture microscopic dust particles and stubborn stains. This device adapts its cleaning mode based on the surface, raising its wet roller when detecting carpet. Both models demonstrate impressive cleaning prowess, but the Dyson’s advanced AI and high-performance motor give it an edge for deep cleans on tough stains.

Mopping Capabilities

Mopping is a significant aspect of both robotic vacuums, but they approach it differently. The iRobot Roomba® 405 Combo features spinning DualClean Mop Pads that scrub two times deeper than standard modes, providing effective mopping for hard floors. Users can choose to mop with cleaning solutions or just water for flexibility. Meanwhile, the Dyson Spot+Scrub™ employs a 12-point hydration system that hydrates its roller during every rotation, ensuring consistent cleaning with heated water for stubborn stains. While the iRobot is effective for routine mopping, the Dyson's heated water feature suggests superior performance against tough grime.

When comparing navigation technology, the iRobot Roomba® 405 Combo uses ClearView LiDAR, which quickly scans and maps your home, ensuring efficient cleaning patterns. The device can navigate in the dark and avoid obstacles, making it suitable for various home environments. The Dyson Spot+Scrub™ utilises high-speed LiDAR scanning, offering more accurate mapping and navigation that eliminates missed areas. This advanced system ensures thorough coverage and efficient cleaning paths, making it a strong contender for users prioritising precise navigation.

Self-Cleaning and Maintenance Features

Maintenance is crucial for robotic vacuum performance, and here the iRobot Roomba® 405 Combo offers an AutoWash Dock that handles the heavy lifting. It features a 75-day auto-emptying function and continuous pad refreshing, relieving users from the hassle of manual cleaning. However, the Dyson Spot+Scrub™ also boasts impressive self-cleaning capabilities, with a system that cleans the roller on every rotation, ensuring optimal dirt extraction. Both vacuums reduce maintenance tasks, but the iRobot's dedicated dock for washing and drying pads may appeal to those looking for a more hands-off experience.

Smart Technology and App Integration

Smart technology integration is becoming increasingly important in robotic cleaning devices. The iRobot Roomba® 405 Combo features the Roomba Home app, which allows users to set custom cleaning routines, receive time estimates, and monitor filter health. It also supports voice control with Alexa, Siri, and Google Assistant, making it highly user-friendly. The Dyson Spot+Scrub™ incorporates AI intelligence, providing data-driven cleaning reports that highlight cleaning intensity and coverage metrics. While both devices offer smart features, the Dyson's data capabilities may be more advantageous for tech-savvy users who prefer detailed cleaning insights.

Design and Aesthetics

Both robotic vacuums are designed with user convenience in mind. The iRobot Roomba® 405 Combo sports a sleek and compact design, allowing it to navigate easily under furniture and around tight corners. Its minimalist appearance blends well with most home decors. The Dyson Spot+Scrub™ features a modern aesthetic with a focus on functionality, including a distinctive docking station designed to hygienically empty debris. While both designs are functional, the choice may depend on personal style preferences and how well each fits into your living space.

Price Comparison

Price is a significant factor when choosing between these two robotic vacuums. The iRobot Roomba® 405 Combo is priced at £349.00, making it a more budget-friendly option while still offering strong cleaning capabilities. On the other hand, the Dyson Spot+Scrub™ is positioned at £849.00, reflecting its advanced technology and features aimed at providing a premium cleaning experience. Ultimately, the decision may hinge on whether the additional features of the Dyson justify the higher cost for your specific cleaning needs.

Which should you buy?

Deciding between the iRobot Roomba® 405 Combo and the Dyson Spot+Scrub™ AI Wet Robot Vacuum comes down to your specific cleaning requirements and budget. If you seek a versatile, budget-friendly option that excels in both vacuuming and mopping, the iRobot Roomba® 405 Combo is an excellent choice. However, if you are willing to invest more for advanced AI technology, superior stain removal capabilities, and enhanced navigation, the Dyson Spot+Scrub™ may be the better option. Both devices offer unique benefits, ensuring that either choice will significantly improve your cleaning routine.

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iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function vs Dyson Spot+Scrub™ AI Wet Robot Vacuum with Mop - 18 | versusfinder