Anthbot M9 Pro
For quarter-acre yards with heavy tree cover or tight spaces, where adding LiDAR to RTK is worth the premium over the M9.
Amazon $1,399 Anthbot $1,399$1,399
The Anthbot M9 Pro is the better robot lawn mower overall, rated 4.1 to 3.2. The Anthbot M9 Pro leads on navigation and slopes. The Worx Landroid M 1/4 Acre (WR147) wins on value. The Worx Landroid M 1/4 Acre (WR147) costs $199.01 less ($1,199.99 vs $1,399).
Worx Landroid M 1/4 Acre (WR147)
#18 in Up to 1/4 acreFull review
For owners of simple lawns up to 1/4 acre who don’t mind installing a perimeter wire and want a mower that runs on Worx PowerShare batteries.
Worx $1,199.99$1,199.99
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 Anthbot M9 Pro for navigation (LiDAR + RTK + vision, no boundary wire vs Boundary wire) and slopes (45% (24°) slopes vs 30% (17°) slopes).
- Choose the Worx Landroid M 1/4 Acre (WR147) for value ($4,800 per rated acre vs $5,600 per rated acre).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1/4 acre robot lawn mower; a clear win is highlighted. How we rank explains each one.
| Factor weight | Anthbot M9 Pro | Worx Landroid M 1/4 Acre (WR147) |
|---|---|---|
| Overall rating | 4.1/5 | 3.2/5 |
| Value 30% | 71 $5,600 per rated acre | 80 $4,800 per rated acre |
| Navigation 20% | 100 LiDAR + RTK + vision, no boundary wire | 10 Boundary wire |
| Slopes 20% | 36 45% (24°) slopes | 9 30% (17°) slopes |
| Features 15% | 100 8 of 8 | 71 5 of 7; no 4G, height set in the app |
| Warranty 10% | 67 3-year warranty | 67 3-year warranty |
| Noise 5% | 80 58 dB(A) rated | 73 59 dB(A) rated |
Specifications
| Anthbot M9 Pro | Worx Landroid M 1/4 Acre (WR147) | |
|---|---|---|
| Coverage | ||
| Lawn size (rated) | 0.25 acres (10,900 sq ft) | 0.25 acres (10,900 sq ft) |
| Max slope | 45% (24°) | 30% (17°) |
| All-wheel drive | - | No |
| Charge time | - | 1 h 15 min |
| Battery | 5 Ah | - |
| Navigation | ||
| Navigation | LiDAR + RTK + vision | Boundary wire |
| Boundary wire needed | No | Yes |
| RTK station | Included | - |
| Obstacle avoidance | 360° LiDAR + AI cameras | - |
| Multiple zones | Yes | Yes |
| No-go zones | Yes | Yes |
| Cutting | ||
| Cutting width | 7.9 in (200 mm) | - |
| Cutting height | 1.2–2.8 in (30–70 mm) | - |
| Height adjustment | In the app | By hand (knob) |
| Blades | - | 3 blades on a self-leveling disc |
| Edge mowing | EdgeWiz edge mowing | Cut-to-Edge border cutting |
| Smart features | ||
| Connectivity | 4G (1 year of 4G included) | Wi-Fi, Bluetooth |
| Rain sensor | Yes | Yes |
| Anti-theft | Anti-theft tracking | PIN code lock; optional alarm and Find My Landroid GPS modules |
| Build | ||
| Noise (rated) | 58 dB(A) | 59 dB(A) |
| Water resistance | IPX6 | - |
| Weight | - | 29.8 lb (13.5 kg) |
| Warranty | 3 years | 3 years |