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

OneStat
674 websites

OneStat offers both free and paid options

http://www.onestat.com/

Reduce costly downtime. Don't lose visitors and customers. Our Uptrends worldwide checkpoints will monitor your website, network and services from around the globe. Alerts by SMS / text messages/ RSS, IM or email.

Market Share by Top Websites

1 AWStats is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

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

Websites Categories

1 AWStats has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Law & Government, Arts & Entertainment and 17 other categories.

2 OneStat is leading in Hobbies & Leisure, Jobs & Career and Travel & Tourism.

Geography

1 AWStats is leading in most countries, including France, United States, South Korea, Germany and 59 other countries.

2 OneStat is leading in Netherlands, Belgium, Malaysia, Chile and 17 other countries.