Choosing between iRobot Roomba and Roborock is one of the toughest decisions in the robot vacuum market. Both brands offer excellent cleaning performance, smart features, and self-emptying options. This comprehensive comparison breaks down everything you need to make the right choice in 2025.
Brand Overview
iRobot Roomba
The pioneer of robot vacuums, iRobot has been making Roombas since 2002. Known for reliability, excellent carpet cleaning, and a robust ecosystem of accessories. Recently acquired by Amazon, expanding smart home integration.
Roborock
A Xiaomi-backed company that has rapidly become the innovation leader. Roborock consistently delivers more features at lower prices, with particularly strong mopping capabilities and obstacle avoidance.
Flagship Comparison: Roomba j9+ vs Roborock S8 MaxV Ultra
Cleaning Performance
| Feature | Roomba j9+ | Roborock S8 MaxV Ultra |
|---|---|---|
| Suction Power | Not disclosed (strong) | 6000Pa |
| Brush System | Dual rubber rollers | DuoRoller rubber + bristle |
| Mopping | Separate Braava unit | Built-in sonic mopping |
| Carpet Performance | Excellent | Very Good |
| Hard Floor Performance | Very Good | Excellent |
Winner: Tie – Roomba edges ahead on deep carpet cleaning, while Roborock excels on hard floors and offers integrated mopping.
Navigation and Obstacle Avoidance
| Feature | Roomba j9+ | Roborock S8 MaxV Ultra |
|---|---|---|
| Navigation Type | iAdapt 3.0 + PrecisionVision | LiDAR + ReactiveAI 2.0 |
| Obstacle Detection | Camera + AI | RGB camera + 3D structured light |
| Pet Waste Avoidance | P.O.O.P. guarantee | Yes, with detection |
| Mapping | Imprint Smart Maps | Multi-floor 3D mapping |
| No-Go Zones | Yes, via app | Yes, via app + physical barriers |
Winner: Roborock – The 3D structured light provides more reliable obstacle detection, especially in low light conditions.
Self-Emptying Dock Comparison
| Feature | Roomba j9+ Clean Base | Roborock RockDock Ultra |
|---|---|---|
| Auto-Empty | Yes | Yes |
| Mop Washing | No (needs Braava) | Yes, with hot water |
| Mop Drying | N/A | Yes, heated air |
| Water Refill | N/A | Yes, automatic |
| Bag System | Disposable bags | Bagless with filters |
Winner: Roborock – The all-in-one dock handles everything including mop maintenance, while Roomba requires a separate Braava unit for mopping.
Smart Features and App
Both apps offer excellent mapping, scheduling, and room-specific cleaning. Key differences:
- Roomba: Deeper Alexa integration (Amazon-owned), Imprint Link for coordinated cleaning with Braava mops, simpler interface
- Roborock: More granular controls, furniture recognition, 3D room visualization, multi-floor management
Winner: Tie – Roomba is simpler; Roborock offers more customization.
Price Comparison
| Model | MSRP | Street Price |
|---|---|---|
| Roomba j9+ | 99 | 99-799 |
| Roomba Combo j9+ | ,399 | 99-1,199 |
| Roborock S8 MaxV Ultra | ,399 | ,099-1,299 |
| Roborock S8 Pro Ultra | ,199 | 99-999 |
Winner: Roborock – Offers more features at comparable or lower prices, especially when considering mopping is included.
Which Should You Choose?
Choose Roomba If:
- You have mostly carpet and need the deepest clean
- You prefer a simpler app experience
- You are invested in the Amazon/Alexa ecosystem
- You value the brand reputation and customer service
- Pet waste avoidance is critical (P.O.O.P. guarantee)
Choose Roborock If:
- You have mixed floors and want integrated mopping
- You want the most features for your money
- You prefer detailed customization options
- True hands-free operation is important (all-in-one dock)
- You have a large home with multiple floors
Other Contenders
Before deciding, also consider:
- Dreame: Similar to Roborock with excellent mopping and competitive prices
- Ecovacs Deebot: Strong mid-range options with good mopping
- Shark: Budget-friendly with decent performance
The Verdict
For most households in 2025, Roborock offers the better overall value with its integrated mopping, superior dock features, and competitive pricing. However, Roomba remains the king of carpet cleaning and offers unmatched simplicity and reliability. If your home is primarily carpeted and you do not need mopping, the Roomba j9+ is still an excellent choice.
Related Robot Vacuum Guides
- Roborock S8 MaxV Ultra Review 2025
- Top Robot Vacuums for Multi-Floor Cleaning
- Best Smart Home Devices for Pet Owners
- Smart Home Beginner Setup Guide
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