Observer
2 websites

Observer is free to use

http://observerapp.com/

Observer is a web analytic tool developed by Ludwig Pettersson. Observer also includes a toolbar that lets you view your analytics no matter what site you are on.

VS

Premonix
3,086 websites

Premonix costs money

http://www.premonix.com

Premonix delivers template-based tracking and Web Analytics to the smallest micro-sites on the internet.

Market Share by Top Websites

1 Premonix is leading in Top 1M Sites and The Entire Web.

2 In terms of market share, Observer is clearly lagging behind, losing to Premonix in all segments.

Websites Categories

1 Premonix has better usage coverage in more websites categories. Including Pets & Animals, Community & Society, Science & Education, Sports and 20 other categories.

2 Observer hasn't got a lead over Premonix in any websites category.

Geography

1 Premonix is leading in most countries, including United States, Canada, United Kingdom, India and 80 other countries.

2 Observer hasn't got a lead over Premonix in any country.