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TLDR Review: Roomba Plus 405

By ShopSavvy Team

Published: August 23rd, 2026

Pros

•Cleans exceptionally well on both hard floors and carpets, especially with high suction for homes with pets
•Quick and easy setup with Wi connection, plus user-friendly app for mapping and scheduling
•Excellent navigation after mapping, avoiding obstacles and alerting you if it gets stuck
•Quiet operation, with noise mainly during bin emptying, making it unobtrusive
•Strong suction power that rivals larger vacuums, ideal for daily maintenance
•Effective mopping function that works well when scheduled separately, with potential for use with cleaning solutions
•Compact size allows for easy maneuvering around furniture and obstacles
•Precise LiDAR navigation for efficient cleaning routes and coverage
•Customizable maps and zones via the app, including no zones and spot cleaning
•Reaime Wi-Fi tracking helps monitor progress and remaining cleaning time

Cons

•Mop and vacuum functions cannot be used simultaneously across the entire house
•Mop function might benefit from using specialized cleaning solutions for better results
•App learning curve for navigation and mop features can be frustrating initially
•Manual is not included physically, only accessible through the app
•Price is considered high by some users, especially when it has increased significantly from the original cost
•Difficulty canceling some orders, which can lead to frustration for buyers
•While very effective, some users wish it had better support for cleaning solutions like vinegar or bleach
•Limited to homes with relatively small to moderate floor spaces; may not be best for large houses

Bottom Line

The iRobot Roomba Plus 405 Combo Robot offers impressive cleaning performance, smart mapping, and convenient app controls, making it a solid choice for maintaining clean floors with minimal effort — especially if you have pets or mobility issues. However, its price has become steep in recent updates, and the separation of vacuuming and mopping might be a downside for those seeking simultaneous cleaning. If you’re seeking a more budget-friendly option that combines vacuuming and mopping at once, you might want to explore other models in the iRobot lineup or similar brands.

Lowest at any Popular Retailer

$299.99 at Amazon

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 1 retailers to give you the short version.

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