Segway Navimow vs Mammotion Luba

The short version

Both brands sell robots that rely on satellite positioning, usually RTK, to know where they are to within a few centimetres. Segway pairs that with a camera on most Navimow models to help in spots where the signal drops. Mammotion's Luba range is known for all wheel drive and for adding lidar or vision on later models, which helps under trees and next to buildings. The table sums up the general picture; check the exact specification of the model you are considering, because both ranges change every season.

See our wire-free robot mower picks →

How each one finds its way

RTK stands for real time kinematic. A small reference antenna in your garden, or a network service on some models, corrects the satellite signal so the robot knows its position very precisely. It works best with a clear view of the sky. Tall houses, dense trees and high hedges can weaken the signal, and that is where the extra sensors matter.

Navimow models typically back up RTK with a camera that helps the robot hold its line and spot obstacles. Newer Luba models add lidar, a laser scanner that builds a 3D picture of walls, trees and fences, or a vision system. In a garden overshadowed by buildings, a robot that does not rely only on satellites usually holds its map better. If your lawn sits in the open, the difference matters much less.

How robot mower navigation works →

Slopes, bumps and rough ground

This is where the two ranges differ most. The Luba has made its name on all wheel drive, with chunky tyres that grip on steep banks and uneven ground. Mammotion quotes slope ratings for these models that are well beyond what most two wheel drive robots handle. If you have a bank that a push mower struggles with, the Luba family is the more natural fit.

Most Navimow models are two wheel drive and are aimed at the moderate slopes found in typical UK gardens. That is enough for most lawns. Check the slope rating against your steepest section, not the average, and remember that wet grass reduces grip on any robot.

Robot mowers for slopes →

Lawn size and zones

Both brands sell models from a few hundred square metres up to several thousand. Luba models tend to be aimed at the larger end, with wider cutting decks and bigger batteries. Navimow has a broad range that starts with compact models for small and medium lawns. Both apps let you set several zones and the routes between them, which is handy for front and back lawns.

Measure your lawn before you choose. Our lawn-area calculator adds up shapes and subtracts beds, and it suggests leaving headroom if your lawn has several zones or narrow passages, because rated areas assume an open lawn.

Setup and day to day use

Setup is similar: place the charging station, set up the RTK antenna if your model uses one, then walk or drive the robot round the boundary in the app. Allow time to position the antenna where it has a clear view of the sky, as that decides how reliable the robot will be. After that, both brands run on schedules you set in the app, with no-go zones for beds, ponds and play areas.

Both are app first products. If you would rather have a dealer install and service the mower, look at the traditional brands instead, which are compared in our guide to Husqvarna Automower models.

Which should you buy?

Pick by your garden, not the brand. A flat or gently sloping lawn with plenty of open sky suits a Navimow. A big plot with steep banks, rough patches or several zones linked by bumpy paths suits a Luba. If your garden is heavily shaded by trees and walls, give priority to whichever specific model offers lidar or vision rather than RTK alone, and read the maker's guidance on signal coverage before you buy.

Frequently asked questions

Do Segway Navimow and Mammotion Luba need a boundary wire? No. Both use a virtual boundary that you record in the app, so there is no wire to bury.

Which is better on hills? The Luba range is generally the stronger choice for steep slopes thanks to all wheel drive. Always check the slope rating of the exact model.

Will either work under trees? Satellite signal can drop under trees. Models with lidar, vision or a camera cope better there. Positioning the RTK antenna well also helps.

Can I install them myself? Yes, both are designed for DIY setup through the app. Follow the maker's instructions for the charging station and antenna placement.