Narwal Freo Z Ultra Review: Dual-Camera Navigation Meets Strong Mopping

Introduction

The Narwal Freo Z Ultra is the latest flagship in the Freo series, and its headline feature is immediately visible: two RGB cameras on the front, paired with AI cleaning software that Narwal calls AI DirtSense 2.0. The idea is simple, the robot gets double the vision to navigate and detect cleaning areas more effectively.

In testing, that navigation system proved to be one of the strongest we have seen. The robot avoided obstacles with no contact, cleaned in a grid-like pattern, and adjusted its path for each object it encountered. On hardwood surfaces, cleaning performance was excellent, and mopping results were on par with other high-end robot mops.

There were weaker spots too. Carpet suction came in below average, and the robot struggled with finer debris in both low-pile and high-pile carpet. It also had some navigational quirks in a controlled testing lane, though these did not appear when navigating a real home.

Who the Narwal Freo Z Ultra Is For

The Freo Z Ultra is best suited to homes with hard flooring. Tile, wood, and vinyl are ideal surfaces for this robot. On hardwood, the brush and collection roller had no issues picking up debris, and the mopping system delivered exceptionally good results.

If your home is primarily hard flooring and you want a robot that can vacuum and mop in one pass, the Freo Z Ultra is a strong candidate. Its obstacle avoidance is impressive enough that it can handle cluttered homes without bumping into objects, which makes it a good fit for households with items left on the floor.

It is less ideal if you have significant carpeted areas. The robot struggled to suction up smaller debris like sugar and kitty litter from carpet fibers, and its edge cleaning performance came in slightly below average.

Main Strengths

Dual RGB Cameras and AI DirtSense 2.0

The most distinctive feature of the Freo Z Ultra is its dual RGB camera system. Just as humans have two eyes, this robot has double the vision to help it navigate and detect cleaning areas more effectively. The cameras are complemented by side sensors, a front bumper, and cliff detection underneath.

In obstacle avoidance testing, the robot navigated around objects with no contact at all. It cleaned in a grid-like pattern and adjusted for each object based on what its cameras detected. Based on all robots tested to date, this was one of the best obstacle avoidance performances we have ever seen.

The navigation system also contributes to cleaning efficiency. It is common for robots to bump their way around, get stuck, or produce poor mapping. That was not the case here. The design, hardware, and software give the Freo Z Ultra all the necessary ingredients for impressive navigational performance.

Mopping Performance

The Freo Z Ultra showcased exceptionally good mopping performance, on par with other high-end robot mops. The robot comes with a large clean and dirty water tank that helps keep it running for longer. The base station also has a slot for Narwal’s detergent supply, which is automatically added to the water during cleaning.

This makes the Freo Z Ultra a genuine vacuum and mop combo rather than a vacuum with a token mop attachment. For homes with hard flooring, the mopping results are a major selling point.

Build Quality and Design

The robot is built with quality and style in mind. The plastic is thick and well weighted, and the brush roller, tanks, and body plastic all have a sturdy, well-constructed feel. The build quality and materials feel every bit as good as other high-end flagship robots from Roborock and Ecovacs.

It feels like a product that will last with repeated daily use. Setup was easy and took no more than 10 minutes, including unboxing and connecting to the app. Be prepared to break down some boxes and save room in your trash can for the abundance of packing material.

Things to Consider Before Buying

Carpet Suction

The biggest issue with the Freo Z Ultra is its suction on carpet. In debris testing, it removed 90.7% of debris by weight, which is 2% less than the average of 92.7% based on all tests to date. Low-pile carpet was the worst performer, with the robot picking up larger debris but struggling with finer sugar and kitty litter that sat deeper in the fibers.

High-pile carpet performed better than low-pile, but still came in slightly below average. The robot was able to create a better suction seal with high-pile carpet, which helped it collect more debris, but it still struggled with the smaller particles.

Edge Cleaning

In edge cleaning tests, the Freo Z Ultra removed 85.5% of debris by weight, which is 2.1% less than the average of 87.6%. When observing the robot, it would move close to the edge and collect a majority of the debris in its path. However, it would either push some debris away from the collection path, or the suction was not strong enough to remove debris along the baseboard.

Navigational Quirks in Testing

During evaluation, there were some navigational issues in the controlled testing lane. The robot knew there was an issue because its cameras and sensors saw that it was in a mapped area, but it could not move outside of that lane to clean further. This was mitigated by using a separate in-app mapping navigation to get the robot to cover the entire testing lane.

In a real home, the robot should perform its complete cleaning cycle successfully. The navigation system is designed for home layouts, and the app guides you through creating a home map that best represents your space.

Noise Levels

The Freo Z Ultra generated 65.6 dB of noise on max power mode, which is 2.98 dB lower than the average of 68.58 dB. One note: while adjusting the suction level, there was only a noticeable change when switching from normal to strong suction. Quiet and normal had similar measured decibels, and strong and super powerful also had similar measurements.

Maintenance Costs

The estimated yearly maintenance cost is $55. The robot includes several self-maintenance features: auto debris bag empty, detergent dispenser, mop pad cleaning, hot air mop pad drying, and auto water empty and refill. Because there is a lot going on with the Freo Z Ultra, maintenance costs run a little higher than simpler models.

Buying Advice

The Narwal Freo Z Ultra is a great robot vacuum and mop combo. Its impressive navigation, cleaning performance, build quality, and worry-free maintenance scores make up for its exceptionally good overall score. There were a few weaker spots with respect to carpet cleaning performance, but these were not deal breakers.

If mopping efficiency and navigational efficiency are the critically important features for cleaning your home, the Freo Z Ultra is an incredible choice. The dual RGB camera system delivers obstacle avoidance that ranks among the best we have tested, and the mopping results are on par with other high-end robot mops.

For homes with mostly hard flooring, this robot will likely exceed expectations. For homes with significant carpet, it is worth considering whether the carpet suction limitations will be a problem for your specific needs.

Conclusion

The Narwal Freo Z Ultra stands out for its intelligent navigation and strong mopping performance. The dual RGB cameras and AI DirtSense 2.0 system deliver obstacle avoidance that is genuinely impressive, and the build quality feels premium throughout.

The carpet suction and edge cleaning results are the main compromises. If your home is primarily hard flooring, these limitations are unlikely to matter much. If carpet performance is critical, you may want to weigh those results more heavily.

Overall, the Freo Z Ultra is an outstanding robot vacuum and mop combo for homes with hard surfaces, and its navigation system sets a high bar for the category.