Lymow One Plus (5A)
#3 in 1 acre and upFull review
For large, steep or rough properties of about an acre that wheeled robot mowers can’t handle. The tracked drive and wide deck come with a lot of weight and price.
Amazon $2,499 Lymow $2,499$2,499
The Lymow One Plus (5A) is the better robot lawn mower overall, rated 4.3 to 3.8. The Lymow One Plus (5A) leads on slopes. The Segway Navimow X330 costs $200 less ($2,299 vs $2,499).
Segway Navimow X330
#10 in 1 acre and upFull review
For lawns up to about 1 acre that want reliable wire-free mowing with good obstacle avoidance. Skip it for very steep yards, which need an AWD mower.
Navimow $2,299$2,299
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Lymow One Plus (5A) for slopes (100% (45°) slopes vs 50% (27°) slopes).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 1 acre and up robot lawn mower; a clear win is highlighted. How we rank explains each one.
| Factor weight | Lymow One Plus (5A) | Segway Navimow X330 |
|---|---|---|
| Overall rating | 4.3/5 | 3.8/5 |
| Value 30% | 62 $2,270 per rated acre | 61 $2,300 per rated acre |
| Navigation 20% | 80 RTK + vision, no boundary wire | 80 RTK + vision, no boundary wire |
| Slopes 20% | 100 100% (45°) slopes | 45 50% (27°) slopes |
| Features 15% | 100 6 of 6 | 86 6 of 7; no rain sensor |
| Warranty 10% | 67 3-year warranty | 67 3-year warranty |
| Noise 5% | 50 noise not published (neutral score used) | 67 60 dB(A) rated |
Independent tests
Lymow One Plus (5A)
| Tested by | Conditions |
|---|---|
| PCWorld | Mowed 531 m² in 142 minutes at medium speed with 42% of the battery left, and handled slopes of about 30° in the test yard. |
Segway Navimow X330
No independent test published yet.
Specifications
| Lymow One Plus (5A) | Segway Navimow X330 | |
|---|---|---|
| Coverage | ||
| Lawn size (rated) | 1.1 acres (47,900 sq ft) | 1 acre (43,600 sq ft) |
| Max slope | 100% (45°) | 50% (27°) |
| All-wheel drive | - | No |
| Run time per charge | 3 h | 2 h 40 min |
| Charge time | 2 h 30 min | 1 h 5 min |
| Battery | 528 Wh, 35.2 V 15 Ah | 173 Wh, 21.6 V 8 Ah |
| Navigation | ||
| Navigation | RTK + vision | RTK + vision |
| Boundary wire needed | No | No |
| RTK station | Included | Included |
| Obstacle avoidance | AI camera + 5 ultrasonic sensors + 2 Hall sensors | 300° RGB + ToF cameras, 200+ obstacle types, bumper |
| Multiple zones | Yes | Yes |
| No-go zones | Yes | Yes |
| Cutting | ||
| Cutting width | 16 in (406 mm) | 9.3 in (237 mm) |
| Cutting height | 1.2–4 in | 2–4 in (50–100 mm) |
| Height adjustment | In the app | In the app |
| Blades | Dual SK5 steel rotary mulching blades | 6 blades on an anti-clogging cutting disc |
| Edge mowing | - | Optional Trimmer accessory (sold separately) for semi-automatic edge trimming |
| Smart features | ||
| Connectivity | Wi-Fi, Bluetooth, 4G | Wi-Fi, Bluetooth, 4G (2 years of 4G included) |
| Rain sensor | - | No |
| Anti-theft | Geofence alerts, device lock, live GPS tracking | - |
| Build | ||
| Noise (rated) | - | 60 dB(A) |
| Water resistance | IPX6 | IP66 |
| Weight | 78.5 lb (35.6 kg) | 43.7 lb (19.8 kg) |
| Warranty | 3 years | 3 years |
| Released | - | 2025-04 |