Robot mower vs lawn service what the numbers actually say.
The comparison people make is purchase price against an annual service contract, and on that basis a robot mower looks compelling almost immediately.
The comparison that actually matters includes the jobs a robot does not do, because a lawn service does considerably more than cut grass.
Navimow i110N
Good first robot mower
Wire-free boundary setup removes the single most unpleasant part of owning a robot mower, which historically meant burying a perimeter wire around the entire lawn.
LUBA 2 AWD 5000
For larger or awkward lawns
All-wheel drive and larger coverage handle the slopes and irregular shapes where simpler mowers get stuck or give up. Worth it specifically if your lawn is the reason cheaper models would struggle.
What the robot does not do
It cuts grass. It does not edge, strim around posts and beds, blow clippings off paths, or notice that your lawn has a fungal problem.
If your current service includes those, you are not replacing the service with a robot. You are replacing the mowing portion and keeping some tidying, which changes the maths considerably.
Where robot mowers genuinely win
Cutting frequency is the real advantage. A robot cuts a little every day, which keeps the lawn at a constant height and returns fine clippings as fertiliser rather than removing them.
Most lawns under a robot look visibly better than lawns cut weekly, because weekly cutting removes a third of the blade at once. That improvement is the part owners talk about, not the cost saving.
The lawns where it does not work
Steep slopes beyond the rated gradient. Heavily segmented gardens where the robot cannot reach between areas. Lawns with constant debris from overhanging trees, where it gets stuck repeatedly.
Also consider boundaries to a road or a pond. Wire-free systems rely on satellite positioning, which can wander under heavy tree cover, and that matters more at the edges than anywhere else.