The best budget robot mowers for 2026, all three wire-free

What to look for at this price

• Lawn size. The ECOVACS covers about 10,800 sq ft1,000 m². The two Navimows cover about 6,500 sq ft607 m² and 5,400 sq ft506 m². Take about 20% off those areas for beds, paths and awkward corners.
• Slope. The i206 AWD has all-wheel drive, so it grips a slope best. The i105 climbs the gentlest hill, just 30 ft30 m of rise across 100 ft100 m.
• No wire, but open sky. None of these needs a wire buried around the lawn. Each one locates itself by satellite, so it needs open sky. Trees or a tall fence can block the signal, and then the mower cannot work out where it is. Our guide to wire-free mowers shows how to check the sky over your lawn.
• Later costs. A spare set of blades is cheap. The i105 can add a 4G module as a one-off extra, so the app reaches it away from home Wi-Fi. The i206 gets its position data over a free cell connection. This works only if Segway Navimow’s service covers your address.

Best overall: GOAT O1000 RTK

The O1000 RTK is our top pick at this price. It covers about 10,800 sq ft1,000 m², the most of the three. The i206 covers about 6,500 sq ft607 m² and the i105 about 5,400 sq ft506 m².

It reads its position from satellites, helped by a small antenna in your yard. NOAA explains how GPS works out your location. A camera helps it steer around a hose or a ball. There is no wire to lay. It comes with a small antenna on a pole. Set it up where nothing blocks the sky.

ECOVACS rates it at 57 decibels, the lowest figure of the three, though all three are within 2 decibels. It carries a rain sensor and parks itself when a shower starts.

It is weaker on a slope. It does not have all-wheel drive, so the i206 grips better on a hill. ECOVACS sets its slope limit at 45 ft45 m of rise over 100 ft100 m of ground, about 24 degrees. At the lawn edge, ECOVACS sets a lower limit, near 17 ft17 m over 100 ft100 m. Keep it off a steep bank beside a path.

10,800sq ft1,000m²

Lawn it keeps cut, per ECOVACS

45ft45m

Rise it can climb over 100 ft of groundRise it can climb over 100 m of ground

57dB

How loud ECOVACS rates it

Buy the O1000 RTK for a flat or gently sloping budget lawn up to about 10,800 sq ft1,000 m².

Best for a sloping or bumpy lawn: i206 AWD

Pick the i206 AWD when your budget lawn slopes or has rough, bumpy ground. It has all-wheel drive, which the other two lack.

Segway Navimow gives the i206 the same climb as the O1000: a 45 ft45 m gain across 100 ft100 m, about 24 degrees. But the i206 has all-wheel drive, so it grips a slope better on damp grass or uneven ground. On wet grass, cut the slope limit by about 15%, so treat it as good for about 38 ft38 m of rise over 100 ft100 m.

It tracks its position by satellite, like the other two, so it also needs clear sky above. It covers about 6,500 sq ft607 m², more than the i105 but less than the O1000. It needs no antenna in the yard if Segway Navimow’s online service covers your address. Check your ZIP code on its site first.

We could not find a cutting width in Segway Navimow’s specs for the i206. So I cannot say how many passes it needs on a given lawn. If your lawn is flat, you do not need all-wheel drive, and the O1000 covers more grass.

Buy the i206 AWD for a small lawn that slopes or has rough, bumpy ground.

Best for a small, flat lawn: i105

The i105 is the smallest and lightest of the three. For a small, flat lawn it does the job. Segway Navimow calls its mapping AI-assisted: you guide it around the edge once in the app.

It covers about 5,400 sq ft506 m², the smallest of the three. Take about 20% off for beds and paths, so it suits a lawn of about 4,300 sq ft400 m² of real grass. If your lawn is bigger than that, step up to the O1000 or the i206.

It climbs the gentlest hill of the three, a 30 ft30 m gain over 100 ft100 m, about 17 degrees. At the lawn edge Segway Navimow sets a lower limit, near 10 ft10 m over 100 ft100 m. So keep it on fairly level ground and off any bank.

Like the other two, it locates itself by satellite and needs clear sky overhead. It uses a small antenna on a pole in your yard. A front camera and a bump sensor steer it past a hose or a toy. For security it has GPS tracking, a PIN lock and a built-in alarm.

Buy the i105 for a small, flat lawn where price matters most.

Which one for your lawn?

• If your budget lawn is up to about 10,800 sq ft1,000 m² and fairly flat → the O1000 RTK.
• If your lawn slopes or has rough, bumpy ground → the i206 AWD, which has all-wheel drive.
• If your lawn is small and flat, under about 5,400 sq ft506 m² → the i105; see also our small-yard shortlist.
• If your lawn sits under trees that block the sky → none of these; trees block the satellite signal they need.

Questions people ask

Do any of these need a wire or a pole?

No buried wire. The ECOVACS and the i105 each use a small antenna on a pole that needs open sky. The i206 needs no antenna if Segway Navimow’s online service covers your address. Look up your ZIP code on its site to see. All three store a map of your lawn in the app.

What do I give up at this price?

These mowers suit a smaller, flatter lawn than the pricier models do. They cover less ground and have a lower slope limit. On a small or mid-size yard, that is usually enough.

Will they mow in the rain?

Each has a rain sensor and returns to its dock when rain starts. Damp grass is slippery, so schedule the run for later in the day once the lawn dries.