AWStats
1,600 websites

AWStats is free to use

http://awstats.sourceforge.net/

AWStats is a free powerful and featureful tool that generates advanced web, streaming, ftp or mail server statistics, graphically. This log analyzer works as a CGI or from command line and shows you all possible information your log contain...

VS

eStat
27,449 websites

eStat costs money

http://www.mediametrie-estat.com/

Audience measurement and analysis of site attendance

Market Share by Top Websites

1 eStat is leading in Top 10K Sites, Top 100K Sites and The Entire Web.

2 AWStats is leading in Top 1M Sites.

Websites Categories

1 eStat has better usage coverage in more websites categories. Including Arts & Entertainment, Science & Education, Community & Society, Computers Electronics & Technology and 20 other categories.

2 AWStats hasn't got a lead over eStat in any websites category.

Geography

1 AWStats is leading in most countries, including United States, South Korea, Netherlands, Germany and 51 other countries.

2 eStat is leading in France, Belgium, Canada, Morocco and 26 other countries.