Robomow
Robomow RK4000
- Autonomy
- IIAssisted
- Score
- 69/100Capable
- Readiness
- Ready Now
- Price
- $1,999list
ComparisonRobomow RK4000 and Flymo EasiLife Go 200
Flymo (Husqvarna Group)
Flymo EasiLife Go 200
- Autonomy
- IIAssisted
- Score
- Not scored
- Readiness
- Not assessed
- Price
- Not tracked
Up to three
Autonomy Ladder
- IManual
- IIAssisted
- IIIConditional
- IVEnvironmental
- VGeneralized
All robot lawn mowers. Every figure below is placed against the whole class, so a gap can be read against how much the class itself varies.
Where each one suits you.
The conditions each robot was assessed against, side by side. Rows marked in gold are where these machines genuinely differ.
| Condition | Robomow RK4000 | Flymo EasiLife Go 200 |
|---|---|---|
| Yard size | ||
| Under ¼ acre | GoodRuntime stretches thin on a 1/4-acre lot in a single cycle; works fine with split sessions or a slightly larger model. | GoodRated to 2,153 sq ft, well matched to under-quarter-acre gardens where the EasiLife line is designed to run. |
| ¼ – ½ acrethey differ | Good3,000-7,000 sqft is the optimal range; single battery charge covers most yards in this band. | Poor2,153 sq ft max coverage falls well short of a quarter-to-half-acre lawn; this model is not rated for that size. |
| Over ½ acrethey differ | DependsYards over 7,000 sqft may require multiple charge cycles; runtime tops out at 2 hours per battery. | Poor2,153 sq ft maximum coverage is a small fraction of a half-acre-plus lawn; this model is built for small gardens only. |
| Terrain | ||
| Mostly flat | GoodRandom-pattern coverage completes reliably on flat ground; the pendulum-suspended deck needs no incline compensation here. | GoodThe 2,153 sq ft random-pattern coverage works best on flat, unobstructed ground where run-time alone decides the result. |
| Gentle slopesthey differ | GoodRobomow rates the RK4000 to a 45% gradient (about 24 degrees); gentle slopes sit well inside that rating. | DependsNo slope rating is published for this model; coverage is random rather than systematic, which matters more on uneven ground. |
| Steep / hillythey differ | DependsRated to 45% gradient (about 24 degrees) with passive slip-based traction; steeper banks exceed the rating and wet grass reduces grip. | PoorNo slope rating is published at all, and the mowing pattern is random rather than systematic, a poor match for hilly ground. |
| Grass type | ||
| Typical lawn grass | GoodRandom-pattern coverage completes over typical lawn grass with no reported cutting-quality issues on standard turf. | GoodThree pivoting razor blades with dual cutting direction handle typical lawn grass within the 20-45 mm height range. |
| Mixed / tall growth | DependsNo published cutting-height range; mixed or tall growth performance is not documented for the offset-blade deck. | DependsCutting height tops out at 45 mm with no mulching or clearing capability documented for mixed or overgrown growth. |
| Thick (Bermuda / Zoysia) | DependsBlade torque and cutting-height range for dense Bermuda or Zoysia are unpublished; performance on thick turf is unconfirmed. | DependsA 16 cm cutting width and 45 mm height ceiling are not documented as handling dense Bermuda or Zoysia growth. |
| Boundary setup | ||
| Wireless required | PoorThe RK4000 requires a buried boundary wire; there is no wire-free or RTK navigation mode available. | PoorThe boundary is a buried wire system only; Flymo supplies 150 m of wire and 150 stakes, with no wire-free option. |
| Wire required | GoodThis model is wire-guided by design; boundary wire installation is the standard, documented setup path. | Good150 m of loop wire and 150 stakes ship in the box, matched to the buried-wire boundary this model requires. |
| No preference | GoodAny boundary preference is satisfied here since the RK4000 ships as a wire-guided mower only. | GoodNo preference means the buried-wire design here works fine; 150 m of wire and stakes ship in the box. |
A robot being poor for a condition is a fact about fit, not a fault. “Depends” means the record names a limit worth reading, not that the answer is unknown.
How far apart is a long way?
A number only means something next to the spread it sits in. Each track is the real range across every classified robot in the class, with the median marked.
Runtime116 with a published figure
120 min70 min
- Robomow RK4000120 min
- Flymo EasiLife Go 20070 min
30 minmedian 100 min240 min
Charge time116 with a published figure
110 min75 min
- Robomow RK4000110 min
- Flymo EasiLife Go 20075 min
30 minmedian 90 min300 min
Noise112 with a published figure
65 dB57 dB
- Robomow RK400065 dB
- Flymo EasiLife Go 20057 dB
50 dBmedian 60 dB75 dB
Weight124 with a published figure
27.3 lbs13.4 lbs
- Robomow RK400027.3 lbs
- Flymo EasiLife Go 20013.4 lbs
13 lbsmedian 30 lbs88.2 lbs
Height126 with a published figure
8.7 in8.7 in
- Robomow RK40008.7 in
- Flymo EasiLife Go 2008.7 in
8 inmedian 11 in16.5 in
Not compared, because fewer than two of these robots carry a published figure: Price.
What the numbers leave out.
Written on each record, and the only thing here every robot on the site carries.
The trade-off
What each design gives up to be good at what it is good at.
Robomow RK4000
Boundary-wire guidance eliminates line-of-sight operator control, but requires significant one-time and seasonal infrastructure maintenance that systematic-mapping systems avoid.
Random coverage patterns reduce planning complexity, but result in less uniform grass height and longer mowing cycles than systematic mapping approaches.
Flymo EasiLife Go 200
The Go adds app scheduling and weather-based adjustment over the EasiLife 200, but the boundary is still a buried wire with the install labor that implies.
At 6.1 kg and 57 dB(A) it is light and quiet enough for a small garden, though its 2,153 sq ft ceiling rules out anything beyond a compact lawn.
Bluetooth-only app control keeps the connection local with no cloud account required, but that also means no off-site scheduling or status checks once you leave the house.
Who each one is wrong for
Stated by the record itself. A robot being wrong for a household is a fact about fit, not a fault.
Robomow RK4000
- Complex yards requiring precise perimeter definition
- Properties with irregular boundaries, multiple islands, or intricate garden beds require frequent wire adjustments and manual intervention unsuitable for autonomous operation.
- Operators unwilling to manage seasonal wire maintenance
- Wire inspection, replacement, and winterization add overhead unsuitable for users preferring fully hands-off operation beyond blade swaps.
- Small lots well inside the rated area
- The RK4000 is rated for lawns up to 4,000 sq m, sold in the US as up to one acre. On a few hundred square meters the mower, its base station and its wire run are more hardware and more installation than the ground calls for.
- Terrain steeper than the rated slope
- Robomow's published maximum mowing slope for the RK4000 is 45 percent, which is 24 degrees. Banks steeper than that are outside the rating.
- Owners prioritizing stripe patterns or aesthetic consistency
- Perimeter-first with randomized fill does not produce striped patterns or uniform cutting height; systematic mapping mowers better suit aesthetic lawn maintenance.
Flymo EasiLife Go 200
- Anyone avoiding a buried perimeter wire
- Flymo supplies 150 m of wire and 150 stakes because the boundary is buried-wire only; there is no wire-free version of this model in the EasiLife line.
- Lawns larger than 2,150 sq ft
- The rated coverage tops out at 2,153 sq ft, a fraction of a quarter-acre lawn; larger properties need a bigger model or a different mower entirely.
- Owners who want off-site or cloud app access
- App control runs over Bluetooth range only, with no cloud connection; there is no way to check on or schedule the mower once away from the house.
What stays your job
The upkeep ownership hands back to you, whatever the autonomy level says.
Robomow RK4000
- After every use: Clear the cutting deck of compacted grass; inspect for wrapped grass or debris.
- Weekly: Check base station charging contacts for debris or corrosion; verify the station remains level and obstruction-free.
- Monthly: Inspect boundary wire for visible damage, gaps, or loose pegs.
- By inspection: Check blade condition and replace when edges are rounded, chipped, or bent. Robomow publishes no fixed interval or price for RK4000 blades.
- Annually: Perform a full boundary-wire inspection and continuity check.
- Seasonally: Recheck base station position, clear accumulated leaves from the charging area, and confirm cutting height as the lawn enters dormancy.
Flymo EasiLife Go 200
- Weekly: Examine the blade disc and blades, then clean the disc and chassis with a brush and running water; the manual forbids pressure washers and solvents.
- Weekly: Brush grass off the wheels; clogged wheels spoil performance on slopes.
- Monthly: Replace the three pivoting blades and their screws as a set; Flymo documents a usual blade life of 4 to 7 weeks and requires original crowned H-mark blades.
- As needed: Clean the charging plates and contact plates with a fine emery cloth and a little oil or grease, and clear grass and twigs from the charging station; the manual sets no interval.
- Annually: Take the mower for the Flymo winter service the manual recommends: deep clean, function test, wear-part and blade replacement, battery check, firmware update.
- Seasonally: Fully charge, switch off, clean, and store dry and frost free; an outdoor charging station keeps its power supply connected, an indoor one gets its connectors boxed.
How much each of these is standing on.
Classifications rest on different depths of evidence. A pre-release assessment and a verified one are not the same kind of claim.
| Robot | Evidence status | Sources reviewed | Last assessed |
|---|---|---|---|
| Robomow RK4000 | Pending | 4 | Sep 2026 |
| Flymo EasiLife Go 200 | Pending | 2 | Jul 2026 |
Evidence status counts the sources behind a classification, not their kind. A high count can be maker documentation and price coverage, so read it as how much was reviewed rather than as independent testing. How we weigh evidence.
Keep going.
The full recordRobomow RK4000Specifications, evidence, the Fit Check in full, and every tracked change.
The full recordFlymo EasiLife Go 200Specifications, evidence, the Fit Check in full, and every tracked change.Robovations classifies robots; it does not rank them. Nothing on this page is a recommendation, and no manufacturer influences a classification or its placement here.
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