Which is better for edging along a driveway?

The Ryobi. Its shaft twists to lock into an edger position, and at 5.1 lb it is easier to hold at the angle edging needs. The Aovox also edges, but its 10.8 lb weight makes long edges tiring.

The Aovox has a brushless motor, which generally outlasts a brushed one. The Ryobi's record is better known, though, and its ONE+ batteries carry over to other tools if the trimmer fails.

Is the Aovox worth stepping up to?

Only if the wider 14 in. cut and brushless motor matter more than weight and reliability. Its 1.8 out of 5 rating from 15 ratings is a real concern for a trimmer you will use often.

Do I need to buy a battery for the Ryobi?

Yes. It is tool only, so you need a Ryobi ONE+ 18V battery and charger unless you already own them. The Aovox ships with two 2.0Ah batteries and a fast charger.

Which is easier on the arms for a large yard?

The Ryobi. At 5.1 lb it is less than half the Aovox's 10.8 lb, so you can trim longer before your arms tire. The Aovox's wider cut covers ground faster but costs you in weight.

Which cuts a wider path?

The Aovox, at a fixed 14 in. The Ryobi adjusts between 11 and 13 in., and the narrower setting stretches runtime.

Ryobi ONE+ 18V String Trimmer/Edger vs Aovox 14 inch Brushless String Trimmer

Buy the Ryobi ONE+ for most yards. It is 5.1 lb against 10.8 lb, runs on the ONE+ battery platform, and the twist shaft switches from trim to edge without a tool. The Aovox has a wider 14 in. cut and a brushless motor, but a 1.8 out of 5 rating from 15 ratings is a warning. The Ryobi is the safer pick for light to medium trimming and edging.

Choose the Ryobi ONE+ if you want a light trimmer that edges by twisting the shaft and shares batteries with other Ryobi 18V tools.
Choose the Aovox if you need a wider 14 in. cut and a brushless motor and can accept the risk of its low owner rating.

Prices

Ryobi ONE+ 18V String Trimmer/Edger: $64.95 at eBay (last seen Nov 10)
Aovox 14 inch Brushless String Trimmer: $39.99 at Walmart (last seen Nov 10)
Difference: the Aovox 14 inch Brushless String Trimmer is $24.96 cheaper than the Ryobi ONE+ 18V String Trimmer/Edger at the latest prices (Nov 10)

Ryobi ONE+ 18V 13 in. Cordless String Trimmer/Edger (Tool Only)

What separates them

	Ryobi ONE+ 18V String Trimmer/Edger	Aovox 14 inch Brushless String Trimmer
Weight	5.1 lb, easy to carry and swing	10.8 lb, more than twice as heavy
Cutting width	11 or 13 in., adjustable	14 in. fixed
Motor	Brushed	Brushless, longer life and more torque
Battery platform	Ryobi ONE+ 18V, shared with many tools	20V, one brand only
Trimming and edging	Twist shaft converts to edger	2-in-1 trimmer and edger
Line feed	Auto-feed on trigger release	Auto line feed
Owner feedback	Long-running platform with broad owner base	1.8 out of 5 from 15 ratings
In the box	Tool only, battery and charger sold separately	Two 2.0Ah batteries and fast charger included

Specs compared

Spec	Ryobi ONE+ 18V String Trimmer/Edger	Aovox 14 inch Brushless String Trimmer
Type	String Trimmer	String Trimmer
Cordless	Yes	Yes
Weight	5.1 lb	10.8 lb
Cutting Width	1.08 ft cutting width	1.17 ft cutting width
Voltage	18 volts	20 volts
Shaft Design	Straight Shaft	—

Ryobi ONE+ 18V String Trimmer/Edger vs Aovox 14 inch Brushless String Trimmer

Prices

Ryobi ONE+ 18V String Trimmer/Edger vs Aovox 14 inch Brushless String Trimmer

Prices

Ryobi ONE+ 18V String Trimmer/Edger

Aovox 14 inch Brushless String Trimmer

What separates them

Price history

Prices at every store

Ryobi ONE+ 18V String Trimmer/Edger

Aovox 14 inch Brushless String Trimmer

Specs compared

What reviewers say

Ryobi ONE+ 18V String Trimmer/Edger

Aovox 14 inch Brushless String Trimmer

Questions and answers

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