Choosing between the HOBOT 298 and the Mamibot iGLASSBOT W120-DP? Both are strong contenders for the best window cleaning robot 2026, but they target different glass. This robot window cleaner review breaks down performance, features, window cleaning robot safety, and value so you can decide if an automatic window washer worth it for your home. We base every point on verified specs: the HOBOT 298 (rated 8.3) is a high-rise specialist with upgraded navigation and enhanced safety, while the Mamibot W120-DP (rated 8.0) is a square-window all-rounder with four spray nozzles, app control, and high-rise safety.

Performance and Suction Power

The HOBOT 298 is tuned for high-rise windows, with upgraded navigation that helps it map taller glass more efficiently. Its enhanced safety system is a key part of its performance story, especially when you need the best robot for high rise windows. The Mamibot W120-DP is built for square windows and uses four spray nozzles to wet the glass evenly, which can reduce streaks on rectangular panes. While exact window cleaner suction power figures are not provided, both robots rely on suction to stay attached. The HOBOT 298’s high-rise focus suggests its suction and safety are optimized for vertical challenges, whereas the W120-DP’s square-window fit means it may perform best on standard rectangular glass. If your windows are tall and narrow, the 298 has the edge; if they are square, the W120-DP’s spray coverage is a real asset.

Features and Safety

Safety is critical for any window cleaning robot, especially on high floors. The HOBOT 298 offers enhanced safety and is corded, which means continuous power but also a tether. Its upgraded navigation adds intelligence to path planning. The Mamibot W120-DP counters with four spray nozzles, app control, and high-rise safety. App control lets you start, stop, and monitor cleaning remotely, a convenience the 298 does not list. However, the W120-DP is limited to square glass and has a small spray tank, so you may need to refill more often. The HOBOT 298’s corded design is a con for some, but it ensures consistent suction for tall windows. In terms of window cleaning robot safety, both are rated for high-rise use, but the 298’s enhanced safety gives it a slight edge for extreme heights.

Value and Who Each Suits Best

The HOBOT 298 has a higher price than the 268 and is still corded, but it delivers high-rise readiness, upgraded navigation, and enhanced safety. It suits homeowners with tall, hard-to-reach windows who prioritize safety and are willing to pay more. The Mamibot W120-DP is a well-rounded pick for rectangular glass, offering square-window fit, four spray nozzles, app control, and high-rise safety. It is ideal for those with square windows who want app convenience and even spray coverage. Is an automatic window washer worth it? If you have high or numerous windows, both can save time and reduce risk. The 298 is better for extreme heights; the W120-DP is better for square windows and smart control. Neither is perfect: the 298 costs more and has a cord; the W120-DP is limited to square glass and has a small tank.

Verdict: Which to Choose?

For the best window cleaning robot 2026, your choice depends on window shape and height. Choose the HOBOT 298 if you have high-rise windows, want upgraded navigation, and value enhanced safety above price. It is the stronger specialist for tall glass. Choose the Mamibot iGLASSBOT W120-DP if you have square windows and want four spray nozzles, app control, and high-rise safety at a slightly lower rating. It is the better all-rounder for rectangular glass. If you need the best robot for high rise windows with maximum safety, the HOBOT 298 wins. If you want smart features and square-window performance, the W120-DP is your pick.

Our verdict

Both robots are solid, but they serve different needs. The HOBOT 298 is the high-rise specialist with upgraded navigation and enhanced safety, ideal for tall windows. The Mamibot W120-DP is the square-window all-rounder with four spray nozzles, app control, and high-rise safety. If safety and height are your top concerns, the HOBOT 298 is the clear verdict. If you have square windows and want app convenience, the W120-DP is the smarter buy. Whichever you choose, verify your window shape and height before buying.