iRobot Roomba Plus 405 vs Dyson Spot+Scrub Ai™ Wet and Dry Robot Vacuum
Updated August 2026 — The iRobot Roomba Plus 405 offers excellent cleaning performance at a more affordable price, while the Dyson Spot+Scrub Ai™ provides advanced features for a higher cost. Choose based on your cleaning needs and budget.
The iRobot Roomba Plus 405 offers excellent cleaning performance at a more affordable price, while the Dyson Spot+Scrub Ai™ provides advanced features for a higher cost. Choose based on your cleaning needs and budget.
Why iRobot Roomba Plus 405 is better
price
C$469.99 vs C$1,599.99
mopping
2x deeper scrubbing capability
maintenance
75 days of auto-emptying
Why Dyson Spot+Scrub Ai™ Wet and Dry Robot Vacuum is better
AI features
AI-enhanced cleaning capabilities
self-cleaning
hygienic self-cleaning roller
flexibility
adapts between wet and dry cleaning
Overall score
Specifications
| Spec | iRobot Roomba Plus 405 | Dyson Spot+Scrub Ai™ Wet and Dry Robot Vacuum |
|---|---|---|
| Brand | iRobot | Dyson |
| Model | Roomba Plus 405 | Spot+Scrub Ai™ |
| Cleaning Type | Vacuum & Mop | Wet & Dry |
| App | Roomba Home | MyDyson |
| Weight | 3.5 kg | 4.5 kg |
Dimension comparison
Overview of the iRobot Roomba Plus 405 and Dyson Spot+Scrub Ai™
The iRobot Roomba Plus 405 is priced at C$469.99, while the Dyson Spot+Scrub Ai™ Wet and Dry Robot Vacuum comes at a significantly higher price of C$1,599.99. Despite the price difference, both robotic vacuums offer unique features that cater to different cleaning needs. The Roomba focuses on powerful suction and efficient mopping, while the Dyson emphasizes AI-enhanced cleaning and advanced wet cleaning capabilities.
Cleaning Performance
The iRobot Roomba Plus 405 boasts 70 times more suction compared to the Roomba 600 series, making it ideal for tackling various messes, from crumbs to pet hair. Its DualClean Mop Pads and SmartScrub technology allow for thorough cleaning on multiple surfaces. On the other hand, the Dyson Spot+Scrub Ai™ utilises AI to detect spills and stains, returning to stubborn spots up to 15 times for a thorough clean. The self-cleaning wet roller ensures that only clean water touches your floors, which can be particularly beneficial for maintaining hygiene.
Mopping Capabilities
When it comes to mopping, the iRobot Roomba Plus 405 offers dual mopping functions with its spinning mop pads, providing 2x deeper scrubbing compared to standard modes. This enables it to effectively tackle coffee stains and grime. In contrast, the Dyson Spot+Scrub Ai™ adapts its cleaning mode between wet and dry, enhancing suction power when transitioning from hard floors to carpets. This flexibility allows for seamless cleaning across different floor types, ensuring thorough cleaning with minimal effort.
Smart Features and Navigation
The iRobot Roomba Plus 405 features advanced ClearView LiDAR technology for efficient mapping of your home, allowing it to navigate obstacles and clean in neat rows, even in low light. The Roomba Home app allows users to set custom cleaning routines and monitor filter health. Meanwhile, the Dyson Spot+Scrub Ai™ also employs LiDAR technology for fast mapping and room identification, with features available through the MyDyson app for customizable cleaning schedules. Both devices provide smart navigation, but the Roomba’s ability to clean in the dark gives it an edge in low-light conditions.
Self-Cleaning and Maintenance
The iRobot Roomba Plus 405 includes an AutoWash dock that offers 75 days of auto-emptying and 4 weeks of mopping and pad washing, ensuring that it remains effective over time. This feature reduces maintenance efforts significantly. Conversely, the Dyson Spot+Scrub Ai™ boasts a hygienic self-cleaning roller that removes dirty water and applies clean water with every rotation. Its bagless self-emptying bin can store dry debris for up to 100 days, which may appeal to users looking for less frequent maintenance.
User Control and Customization
With the iRobot Roomba Plus 405, users can control the vacuum via voice commands, the Roomba Home app, or directly on the robot itself. It allows for precise cleaning with features like Clean Zones and Keep Out Zones, enabling targeted cleaning in specific areas. The Dyson Spot+Scrub Ai™ allows for similar control through the MyDyson app, where users can set customizable cleaning schedules and receive maintenance tips. Both products offer flexibility, but the Roomba’s Clean Zones feature provides a more targeted approach to cleaning.
Price Comparison
The iRobot Roomba Plus 405 is priced at C$469.99, making it an accessible option for those seeking effective robotic vacuum technology without breaking the bank. In stark contrast, the Dyson Spot+Scrub Ai™ is priced at C$1,599.99, reflecting its advanced technology and additional features. While the Dyson offers cutting-edge cleaning capabilities, the significant price difference may lead many consumers to consider whether the enhanced features justify the investment.
Which should you buy?
Choosing between the iRobot Roomba Plus 405 and the Dyson Spot+Scrub Ai™ largely depends on your cleaning needs and budget. If you require a reliable and powerful vacuum with excellent mopping capabilities at a lower price, the iRobot Roomba Plus 405 is an outstanding choice. However, if you prioritise advanced features such as AI-enhanced cleaning and the ability to adapt between wet and dry cleaning, the Dyson Spot+Scrub Ai™ justifies its higher price tag with its innovative technology. Ultimately, consider what aspects of cleaning are most important to you to make the best decision.
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