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Updated
Pros
  • 3-stage cleaning - lifts deep-set dust and allergens
  • Automatically empties the dustbin
  • Filter catches 99% of mold, allergens and dust
  • 10x the suction power of Roomba 600
  • Voice commands
  • Seeks out dirtier areas and avoids bumps and getting stuck
  • Pet hair optimized
Cons
  • High cost
  • Not great for cleaning corners
Bottom Line
After being evaluated by our cleaning robot testers, this surprisingly strong Roomba is the ultimate cleaner.
Affordable and powerful, this self-sufficient Roomba has minimal fuss and is loved by cleaning experts.
Height
3.5 Inches
3.63 Inches
Length
12.25 Inches
13.34 Inches
Weight
8.15 pounds
14.991433816 pounds
Width
12.25 Inches
13.26 Inches
Part Number
s955020
i355020
Model
s955020
i355020

When it comes to navigating the world of robotic vacuum cleaners, two models from iRobot stand out among the rest: the iRobot Roomba s9+ and the iRobot Roomba i3. Both are part of the esteemed line of Roombas, known for their innovative technology and efficient cleaning capabilities. However, they cater to different needs and budgets, making a detailed comparison essential for potential buyers.

Design and Build Quality

The iRobot Roomba s9+ boasts a sleek and premium design, with a focus on minimalism and futuristic aesthetics. It features a compact, round body that allows it to navigate through tight spaces with ease. The s9+ also comes with a self-emptying dustbin, which significantly reduces maintenance tasks. In contrast, the iRobot Roomba i3 has a more traditional Roomba design, slightly larger than the s9+, but still compact enough to fit under most furniture. While it doesn't have a self-emptying feature, its dustbin is easily removable and washable.

Cleaning Performance

Both models excel in cleaning performance, thanks to their advanced navigation systems and powerful suction capabilities. The Roomba s9+ stands out with its PerfectEdge technology, which allows for precise cleaning along edges and corners. It also features a more advanced mapping system, enabling it to learn and adapt to the layout of your home over time. The i3, on the other hand, uses a more straightforward navigation system but still manages to cover all areas effectively. Its dual multi-surface rubber brushes are designed to pick up dirt and debris from various floor types.

Navigation and Mapping

The Roomba s9+ takes the lead in terms of navigation and mapping capabilities. It utilizes iRobot's advanced vSLAM (visual Simultaneous Localization and Mapping) technology, which creates detailed maps of your home and allows for customized cleaning routes. This feature is particularly useful for larger homes or those with complex layouts. The Roomba i3 uses a more basic form of navigation that still gets the job done but lacks the precision and adaptability of the s9+.

Voice Control and Smart Integration

Both models are compatible with voice assistants like Alexa and Google Assistant, allowing for seamless voice control and integration into smart home systems. However, the Roomba s9+ offers more advanced smart features, including scheduled cleanings, customized cleaning plans, and detailed cleaning reports through the iRobot Home app.

Price Point

One of the most significant differences between these two models is their price point. The iRobot Roomba s9+ is positioned as a premium product, reflecting its advanced features and superior performance with a higher price tag. In contrast, the iRobot Roomba i3 is more budget-friendly, making it an excellent option for those who want a reliable Roomba without breaking the bank.

Conclusion

In conclusion, when comparing the iRobot Roomba s9+ and the iRobot Roomba i3, it's clear that both are high-quality additions to the world of Roombas. The choice between them largely depends on your specific cleaning needs, budget, and preferences regarding smart features and advanced navigation. If you're looking for a premium cleaning experience with all the bells and whistles, including self-emptying and advanced mapping, the s9+ is the way to go. However, if you're seeking a more affordable option that still delivers excellent cleaning performance without the frills, the i3 is an outstanding choice. Ultimately, both models demonstrate why Roombas remain at the forefront of robotic vacuum technology, offering convenience, efficiency, and innovative solutions for home cleaning.