Smonet RLM1000

The Landroid M is Worx's quarter-acre boundary-wire mower and, thanks to the 20V Power Share battery it shares with every other Worx tool, it is usually one of the cheapest ways into robot mowing that still comes with a real app. Worx lists it at $1,199.99, but it sells for around $900 on Amazon and Walmart has been clearing it below $800, so shop around. Setup is the classic wire job: 820 feet of wire and 340 pegs are in the box, and plan on an afternoon of pegging. Once running, the AIA algorithm handles narrow passages without a guide wire, the off-center blade genuinely cuts to the edge, the floating blade disc lifts over bumps, and at 59 dB it is quiet enough to run at night. The catch is what it lacks: no camera or ultrasonic sensor in the box, so it bumps into anything the wire does not exclude, and there is no GPS tracking unless you buy the Find My Landroid module. Against the Gardena SILENO flex at $599 you pay more for a 3.5 in top cut height and Wi-Fi control; against the wire-free Landroid Vision you save several hundred dollars but do the wire work yourself. Best for flat, fairly open yards under a quarter acre owned by someone who already has Worx batteries in the garage.

Best for Budget buyers with a flat, open lawn under a quarter acre who already own Worx 20V tools.

The Landroid S is the entry point to the Worx wired family: the same bump-and-turn platform as the M and L, shrunk to a 7.1 in three-blade disc, a 20V 2.0Ah Power Share pack and a 1/8 acre (5,445 sq ft) rating. Worx lists it at $999.99, which is hard to justify next to its own M at $1,199.99 list, but the street story is different - it has carried a $749.99 list at Amazon and Woot, open-box units have cleared around $630, and third-party reviewers quote it near $600, so treat the Worx price as a ceiling. The box is the full install kit: 820 ft of wire and 340 pegs, which is far more wire than an eighth-acre lawn needs. Once pegged it behaves like its siblings - AIA navigation through narrow passages without a guide wire, the off-center Cut to Edge blade, a self-leveling floating disc, a rain sensor, and 59 dB running. The trade-offs are a 30% slope ceiling, a 2.4 in maximum cut height that is too low for tall fescue, a small 2.0Ah pack that means frequent dock trips, and no obstacle sensing beyond the bumper. Against the Gardena SILENO flex at $599 with a 35% rating you pay more for the Worx app and battery ecosystem; against a Segway Navimow i105N at $799 you keep the wire but skip the RTK antenna.

Best for Small, flat lawns under an eighth of an acre whose owner already has Worx 20V tools and will buy on a street-price deal rather than at list.

The RK1000 is the quarter-acre entry to Robomow's RK line, the same body and 4.9Ah pack as the RK2000 but rated for 1,000 square meters instead of 2,000, and Home Depot sells it for $1,199 with a 3-year warranty. Robomow's own spec sheet is honest about what that battery buys: 40 to 50 minutes of mowing per 60 to 120 minute charge, which is why it carries the smaller rating. What it shares with the RK2000 is the good stuff - a pendulum-suspended floating deck, an offset four-blade disc that trims over the wire on one side, a 45% (24 degree) slope rating inside the mowing area, a 0.6 to 3.9 in height range and a 4.3 in color touchscreen on the mower. Owners at Home Depot report it is quiet and simple to set up, but the same reviews rate it 2.9 out of 5 for the reasons that dog the whole line: the Bluetooth-only app drops connection, it is slow, a lawn near the 10,000 sq ft ceiling does not get finished on one charge, the wire is easy to tear up, and since Robomow's sale to MTD, US parts and support responses are slow and expensive. Robomow's own US site now redirects to a parts store. Against a Gardena SILENO flex at $599 for a similar lawn size, you pay double for the edge-trimming disc, the touchscreen and the taller cut.

Best for Small wired lawns under a quarter acre where the RK's edge-trimming disc and tall cut are worth paying double a Gardena for.

The Optimow 33H is Greenworks' one-third-acre boundary-wire mower, now sold through the Greenworks Commercial dealer network rather than big-box stores; the online store lists it at $1,099.99 and sold out, so a local dealer is the realistic route. The H means high cut, 2.4 to 4.0 in, which suits fescue and Kentucky bluegrass lawns that the 0.8 to 2.4 in Optimow 33 would scalp. Mechanically it is a conventional Husqvarna-style platform: boundary wire plus guide wires, a random bounce pattern, three pivoting razor blades on an 8.7 in disc, a 24V battery, 130-minute recharge, IPX5 washdown and a 19 degree (about 34%) slope rating. Its differentiator is built-in 4G with GPS: the GreenGuide app works from anywhere and the mower can be tracked if it walks off. Owners of the sibling Optimow 50H on Best Buy like the cut but call the app frustrating, and the cellular plan is only prepaid for two years before an annual fee kicks in. There is no edge-cut mode and no camera, so it bumps its way around obstacles. Against a Husqvarna Automower 310 Mark II it is cheaper with a longer warranty, but dealer-only availability and the app complaints keep it from being an easy pick. Best for a flat to gently sloped third-acre lawn within reach of a Greenworks dealer.

Best for Cool-season lawns around a third of an acre whose owner has a nearby Greenworks dealer and wants cellular tracking without wire-free pricing.

The Landroid L is the half-acre version of the Worx wired platform: same chassis logic as the M, a wider 8 in blade disc and a bigger 5.0Ah (some kits ship 6.0Ah) 20V Power Share pack that swaps into any Worx tool. Worx lists it at $1,499.99 but it has been sitting near $1,000 on Amazon and under $750 at Walmart, which makes it the cheapest half-acre robot from a brand with a US support line. Expect four to six hours laying the 820 ft of included wire. In use it is a bump-and-turn random mower with Cut to Edge, a floating blade disc that copes with lumpy ground, a rain delay, and a 30% slope rating that reviewers flag as the lowest in its class, so skip it on rolling terrain. Reviewers report roughly an hour of mowing per charge, so a full half acre means several dock trips a day and a schedule that runs most days. Obstacle avoidance is a bumper unless you add the ACS ultrasonic kit. Compared with a Husqvarna Automower 415X you give up polish and dealer support for roughly half the price; compared with a Segway Navimow at similar coverage you keep the wire but keep $700 in your pocket. Best for budget-minded owners of flat, open half-acre lawns who would rather spend a Saturday pegging wire than pay for RTK.

Best for Value shoppers with a flat, open lawn up to half an acre who do not mind installing boundary wire.

The NX100i is Yard Force's entry-level wired robot for US big-box shelves: $799 at yardforceusa.com, stocked at Home Depot and Lowe's, rated for 1/3 acre (14,520 sq ft) on a 28V pack that runs 80 to 90 minutes per charge. It cuts a narrow 7 in swath with a three-blade mulching disc across five height settings from 1.3 to 2.9 in, so it suits lawns kept short rather than a 3.5 in fescue cut. Yard Force claims 40% slopes, and the differentiator over most sub-$1,000 wired mowers is the iRadar ultrasonic sensor pair on the nose that slows and steers around furniture, pets and toys before the bumper touches them; a rain sensor, lift and tilt cutouts and a PIN lock are standard. Wi-Fi and Bluetooth feed the CloudHawk app for schedules, remote start and height changes, but there is no GPS, cellular or mapping - it mows in a random pattern inside the wire like any classic robot. One hands-on review called it small for its rating and found a full 1/3-acre lawn took two days of scheduled runs to finish, which is the trade-off for the 7 in deck; retail customer reviews mostly praise how easy it is to start and how compactly it stores. Against the Worx Landroid M WR147 ($902, 1/4 acre, 3-year warranty) the NX100i is cheaper, covers more and adds ultrasonic sensing, but gives up a year of coverage and Worx's cut-to-edge blade.

Best for A small, uncomplicated lawn up to 1/3 acre kept on the short side, for a buyer who wants the cheapest robot with real obstacle sensing.