
Greenworks
Greenworks AiMowbot C30Z
Greenworks retired the wired Optimow line for consumers in 2026 and replaced it with AiMowbot, and the C30Z is the 3/4-acre model in the front-wheel-drive C series. It uses what Greenworks calls RTKVision 2.0: an RTK reference antenna kit in the box for roughly 1 in positioning, with cameras and night-vision sensors that help it hold its line under trees and spot 200-plus obstacle types. Mowing zones, paths and no-go areas are drawn in the app; there is no wire to bury. The spec sheet is strong for $1,599.99: 45% (24 degree) slopes, an electric height adjuster from 0.75 to 3.5 in, a 54 dB noise rating, IPX6 washdown, LED headlights and a 50-minute charge. It is a front-wheel-drive three-wheeler, so it is not a Luba-style AWD climber, and the 8 in cut is narrower than a Mammotion Yuka's. Two things to weigh before buying: 4G and anti-theft tracking need a subscription Greenworks has not priced publicly, and edge cutting is rated at 4 in from the border, so keep the string trimmer. The 1/2-acre C20 ($999.99) and 1-acre C40 ($1,499.99) are the siblings and the G series adds AWD. It is a 2026 launch with no owner track record yet, which is worth remembering given how much grief the old Optimow app caused. Best for 1/2- to 3/4-acre yards with moderate slopes and a buyer who wants a 3-year warranty behind a wire-free mower.
Price and availability on Greenworks’s site may differ.
Specifications
How it navigates
RTKVision 2.0: RTK GNSS from an included reference antenna kit (about 1 in accuracy) with camera assistance to hold position under trees; no wire. Zones, paths and no-go areas are drawn in the app.
Highlights
Pros
- ✓RTK accuracy with camera backup means no wire and real row mowing
- ✓45% slope rating beats most 2WD RTK rivals
- ✓Very quiet at 54 dB and hose-washable (IPX6)
- ✓Electric cut-height adjustment from the app
- ✓3-year warranty from a brand with US big-box distribution
Cons
- ✗4G and anti-theft features require a subscription with no published price
- ✗Edge cutting stops about 4 in short of borders
- ✗Front-wheel-drive three-wheel layout, not AWD, despite the slope rating
- ✗Brand new in 2026 with no long-term reliability data
- ✗No rain sensor listed on the spec sheet
Pros and cons above are drawn from the manufacturer’s spec sheet and published reviews; this model is too new for a body of owner reports.
Compare the Greenworks AiMowbot C30Z
Related robot mowers
More from Greenworks →
Greenworks
Greenworks Optimow 33H
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.

Mammotion
Mammotion Yuka
The Yuka is Mammotion's two-wheel-drive mower with a party trick nobody else has: an optional $700 sweeper cart that collects clippings and leaves, then dumps them at spots you pick in the app. The 12.6 inch dual-disc deck is nearly as wide as a Luba's, the 1.2 to 4.0 inch height range suits any US grass, and the 2025 lineup runs 1000, 2000 and 3000 square meters (a quarter to three-quarter acre). Positioning is an included RTK station plus a front AI camera; owners with open lawns love it, while a vocal minority in tree-heavy neighborhoods say it simply cannot hold position without clear sky, so this is not the pick for a wooded lot. Rear-wheel drive also means it bogs on rough or soggy ground, and the sweeper, while clever, gets stuck now and then. Mammotion's US store no longer lists the Yuka (the LiDAR-based Yuka mini 2 is its future), but Home Depot and Best Buy still stock it, with the 3000 around $1,449 on sale. If you want an AWD alternative at similar money look at the Luba 2 AWD X clearance; if you want a station-free RWD mower for a small yard, the Yuka mini 2. Best for flat, open lawns up to 3/4 acre with heavy leaf drop.

Roborock
Roborock RockMow X1
Roborock's first lawn mower landed in the US in March 2026 as the RockMow X1 (it is the Z1 everywhere else), and it is built like the robot vacuums that made the brand: overbuilt, quiet and very good at driving. Four hub motors, active front steering and dynamic suspension let it climb 80 percent grades and roll over 3 inch bumps without tearing turf, and owners say the first thing they notice is how silent it is. Positioning is full-band RTK from an included antenna plus four cameras, with a headlight so it can finish after dark. The X115H covers 0.37 acres and the X130H is rated to an acre per charge; both share a 9.5 inch deck and a 1.6 to 3.5 inch app-set height. Early owners like the mapping and app but call the software a work in progress: obstacle avoidance detours widely, zone passages need more room than the stated 2.6 feet, and the PreciEdge module that gets within 1.2 inches of borders is a $150 add-on. Amazon is the main US retailer, and the X115H has already dipped to $1,500 from $2,299. Against the Mammotion Luba 3 you trade a wider deck and LiDAR for a heavier chassis with better steering; against the Navimow X3 you gain AWD. Best for hilly, rutted yards up to an acre where traction matters more than edge precision.

Ecovacs
Ecovacs GOAT A2500 RTK
The GOAT A2500 RTK was Ecovacs' 2025 flagship and it is now the value play in the range: the list price is still $1,999.99 but Amazon has sold it between $1,500 and $1,750 for most of 2026. You get the 32V dual-disc deck with a 12.99-inch cut, 50% slope capability, and a LELS RTK antenna backed by a 3D ToF sensor and AI camera so it keeps its bearings under moderate tree cover. The 3 Ah battery charges in about 45 minutes, which matters because runtime is only about 64 minutes; Ecovacs' own math is 5,382 sq ft per charge. Owners are split. Happy ones describe mowing three separate yards every couple of days, a useful live map, and a mower that frees itself when stuck. The unhappy ones (and the Amazon average sits in the low 3s) report RTK dropouts, hectic spot-turns that dig into turf, edge passes that back off when plants overhang a bed, and nagging app pop-ups. Notebookcheck's verdict of 'fast, but not flawless' is about right. Compared with the Segway Navimow X330 it is quicker across open ground but less refined at edges, and unlike the newer A2000 LiDAR Pro it has no string trimmer. It suits open half-acre lawns with a good view of the sky where you want speed and can tolerate some fiddling; heavy shade or lots of narrow beds point you toward the LiDAR models.

Airseekers
Airseekers Tron
Airseekers came out of a 2024 Kickstarter with a genuinely different idea: instead of a bare disc of razor blades, the Tron uses a six-blade FlowCut deck that pulls grass upright with airflow, cuts it, and mulches it again before spreading it back onto the lawn. Reviewers at Android Authority and The Gadgeteer agreed the cut and mulch quality are excellent and that the 65 percent slope rating is real. It is also one of the cheaper wire-free mowers with 4G built in: the base Tron is regularly $1,299 for 0.59 acre a day, the Tron Plus is $2,099 for a full acre and adds LED headlights, and both share a swappable 15 Ah battery that runs about three hours, with an optional wider 11.8-inch blade disc. The weak spots are just as well documented. The toed-in front wheels can leave wavy tracks and scuff turf on tight turns, small objects below the bumper (sticks, bricks, hose) get run over, and owners on Airseekers' own site describe RTK signal fiddling, 4G that took weeks to activate, and a mower that digs itself in on dry, sandy soil. Firmware updates have smoothed navigation, but this is still a mower for open, fairly tidy lawns rather than obstacle courses. Compared with a Eufy E15 at a similar price, the Tron cuts and climbs better but needs more babysitting; a Mammotion Luba 2 costs more and forgives more.

Segway
Segway Navimow X315
The X315 is the entry to Segway's X3 line: the same 43 lb chassis, 9.3 in cutting deck, 2 to 4 inch height range and EFLS 3.0 positioning as the $4,499 X390, just with a 6Ah battery good for about two hours and a half-acre rating. EFLS 3.0 fuses RTK with three cameras doing visual SLAM and odometry, which is why testers at Notebookcheck and TechRadar found it kept mowing straight under trees where RTK-only mowers stall. Obstacle avoidance uses a 300-degree camera array with a ToF sensor and recognizes 200+ objects including pets, with night vision so it can run after dark at 60 dB. Setup is about 30 minutes and truly wire-free, though you still mount an RTK antenna. Segway has pulled it from its own store (listed at $1,999 but unavailable) while Home Depot, Acme Tools and Abt still sell it, and it is the only X3 that does not get multiple years of 4G included - one year, then about $33 a year. Reviewers' knocks: it is two-wheel drive so the 50% slope rating is optimistic on side-hills, there is no onboard rain sensor (it relies on forecasts), the single 9.3 in disc leaves about 3.5 in uncut at edges without the optional Trimmer accessory, and standby power draw is high. Versus the Mammotion Yuka at $1,399 the X315 costs more but is faster and better under trees; if you are near 0.5 acre, the X330 is often only $300 more.