It's not just the similarity of the name at play here. It's also the industry and DOZ is very close. DOZ and MOZ sell inbound marketing software and they both s

It's not just the similarity of the name at play here. It's also the industry and DOZ is very close. DOZ and MOZ sell inbound marketing software and they both seem to have a lean towards SEO (or grew from there). I had a quick look at Doz and although its different there is some crossover which makes the product sound and look as good as it does.