Any way lets compare the two by looking at this pic:
Both come with a slanted brush, I prefer the Bodyshop one if I'm honest it helps you arch your brows alot easier however the MUA brush is just as good quality. Pro-Brow contains tweezers which is pretty handy and gel to apply before plucking or to be applied to eyebrows before brushing your eyebrows in. Pro-brow comes with one colour suitable for eyebrows, a highlighting colour which doesn't have a shimmer and a nude eyeshadow which doesnt really show up on my skintone. The Bodyshop one has the same colour as the Pro-Brow for your eyebrows and then a darker colour again for eyebrows but can be used as a liner aswel.
Ok feature's wise I think Pro-Brow takes this one away because of the gel and extra highlight/eyeshadow color, it's mirror is also bigger.
Let's see pigmentation wise focusing mainly on just the eyebrow colour:
|Bodyshop Brow & Liner|
To be fair there is only a slight difference, I didnt try Pro-Brow with the gel underneath which no doubt will pick the colour even more. For me I think it has to be Pro-Brow specially when it only costs £3.50 saving me £6.50. The only thing I havent been able to test is the wear on Pro-Brow because I haven't used it enough times to make a fair judgement in that respect, the Bodyshop one lasts all day. So aslong as I get a good enough wear out of it yes I will be turning to Pro-Brow from now on =]
What do you think guys??