Nextag ROI Optimizer
3 websites

Nextag ROI Optimizer is free to use

http://nextagsellers.blogspot.com/2010/02/roi-optimizer.html

2 Feb 2010 ... The ROI Optimizer is one of the most important features that you can implement to understand the performance of your account. What is it?

VS

Unister
4 websites

Unister is free to use

http://www.unister.de/

Willkommen bei der Unister GmbH. Die Unister GmbH betreibt und vermarktet namhafte Internetportale wie z.B. ab-in-den-urlaub.de, fluege.de, geld.de, ...

Market Share by Top Websites

2 In terms of market share, Nextag ROI Optimizer is clearly lagging behind, losing to Unister in all segments.

Websites Categories

1 Unister has better usage coverage in more websites categories. Including Computers Electronics & Technology and Vehicles.

2 Nextag ROI Optimizer is leading in Lifestyle.

Geography

1 Unister is leading in most countries, including China, Germany and Russia.

2 Nextag ROI Optimizer is leading in United States.