Small Flat Yard Robot Mowers 2026: YUKA Mini 2 vs Navimow i105N vs eufy

Small flat lawns are the easiest win in robot mowing — no slopes to climb, no acreage to grind through, no antenna farm required. The question is purely which small mower maps easiest, mows tidiest, and costs least. In this head-to-head, the Segway Navimow i105N / i110N takes best value, the Mammotion YUKA mini 2 takes easiest mapping under trees, the eufy E15 / E18 takes simplest setup, and the ANTHBOT M9 takes cheapest RTK starter.

All four are rated for roughly a fifth to a quarter of an acre per maker specs, all are 2WD compact machines, and none needs a boundary wire. That makes this comparison about navigation style, setup effort, and price — not hill-climbing hardware you will never use. For the broader field, see our best mowers for small yards and budget picks.

Mapping and setup: LiDAR vs RTK vs camera-only

Setup effort is the biggest real-world difference here. The YUKA mini 2 uses LiDAR plus vision with no RTK antenna, so mapping is close to drop-and-go — a genuine advantage if you dread staking hardware around the dock. The eufy E15 / E18 goes further still with camera-only navigation and no antenna or base station of any kind; reviewers consistently call it the least fussy robot to unbox and start.

The Navimow i105N / i110N uses network RTK plus vision and is antenna-free where coverage exists, but hands-on reviews report staking the included antenna during setup in some yards — so budget a few extra minutes. The Anthbot M9 is the most hands-on: it pairs RTK with dual cameras but needs its RTK antenna near the dock, and mapping is a manual drive-around rather than automatic. None of this is hard — our setup guide walks through the process — but if “easiest afternoon” is the goal, eufy first, YUKA second.

Navigation where it matters: trees, shade, and lot shape

On an open rectangle of grass, all four navigate well. Differences appear at the margins. The YUKA mini 2’s LiDAR is the most robust under dense tree canopy, where satellite-dependent RTK systems can lose their fix — the same reason we recommend LiDAR in our wire-free guide. If your small yard is really a clearing in mature oaks, that alone can justify its premium.

The Navimow’s network RTK plus VisionFence is a proven combination on open and lightly shaded lawns, with a large owner base confirming reliable boundary holding. The Anthbot M9’s full-band RTK plus dual cameras is credible in the open but needs that antenna with a clear sky view, so heavily shaded lots are not its best use. The eufy is the outlier: camera-only V-FSD navigation with no RTK or LiDAR is fine on simple layouts in good light, but complex shapes, heavy shade, and dusk mowing expose its limits, and real-world coverage tends to fall short of its rating. Match the navigation to the yard: open and simple favors Navimow or eufy; leafy and cluttered favors the YUKA mini 2.

Edges and day-to-day mowing

Set expectations clearly: these are all narrow-deck 2WD machines (roughly 7–8 inches of cut width per maker specs), so a quarter-acre takes a while and none truly finishes edges. The YUKA mini 2, Navimow i105N/i110N, eufy, and Anthbot M9 all leave a border strip along fences, walls, and beds that needs a string trimmer about every week or two.

Day-to-day, the differences are in noise and convenience. The eufy is the quietest at a rated ~56 dB, with the Navimow and Anthbot close behind at ~58 dB — all fine for daytime or evening schedules. The Navimow’s cutting height is set by hand, as is the Anthbot’s, while the eufy adjusts through the app; if you like changing cut height with the season, that matters. The YUKA mini 2 adds good AI obstacle avoidance for toys and patio furniture, useful on busy family lawns. For how to think about deck size versus lot size, try our size matcher.

Price and value: don’t pay for hills you don’t have

Pricing moves with sales, so always check current prices — but the ranking is stable. The Navimow i105N / i110N is usually the cheapest of the four and our value pick for that reason: proven navigation at a price that used to buy a boundary-wire mower. The Anthbot M9 sits nearby as the cheapest RTK starter, though its thinner anti-theft setup (GPS tracking needs an optional 4G service) narrows the gap in real ownership cost.

The eufy E15 / E18 costs more than either, with the smaller E15 covering roughly a fifth of an acre and the E18 roughly a third, per maker ratings — you are paying for simplicity and the polished app, not extra capability. The YUKA mini 2 costs the most here and charges extra (~$129) for the 4G module that others include or bundle, plus US stock has been patchy. Before paying any premium, read how to choose and confirm the price gap buys something your yard actually needs.

Who should buy which

Buy the Navimow i105N / i110N if: you want the lowest price on a proven wire-free platform for a small, flat, reasonably open lawn. Pick the i105N for the smallest lots and the i110N up to about a quarter acre. It’s the default answer — see it in our small-yard roundup.

Buy the YUKA mini 2 if: your small yard sits under heavy canopy where satellite navigation struggles, and you value antenna-free LiDAR mapping enough to pay the premium. Confirm US stock and the 4G module situation first. Full review: YUKA mini 2.

Buy the eufy E15 / E18 if: your lawn is a simple, flat, open rectangle and you want the least fussy ownership experience with a polished app and very quiet running. Skip it for complex shapes, deep shade, or damp slopes. Full review: eufy E15 / E18.

Buy the Anthbot M9 if: your budget is the deciding factor and your lawn is open with a good spot for the RTK antenna. Accept manual mapping and the thinner anti-theft story. Full review: Anthbot M9.

The verdict

Best value: Segway Navimow i105N / i110N. Proven RTK-plus-vision navigation, very quiet running, and the lowest price in this group make it the right pick for most small flat lawns. Check the current price on Amazon

Best for leafy yards: Mammotion YUKA mini 2. LiDAR mapping with no antenna earns its premium only where trees defeat satellite navigation — otherwise save the money. Check the current price on Amazon

Simplest setup: eufy E15 / E18. Camera-only drop-and-go convenience for simple open rectangles, at a higher price. Check the current price on Amazon

Start with our how-to-choose framework to confirm your lot size, then check current prices — sale rotations frequently reorder this ranking.