MyStat
970 websites

MyStat offers both free and paid options

http://www.systat.com/MystatProducts.aspx

MYSTAT, the free student version of the SYSTAT statistics and graphics package.

VS

Reinvigorate
252 websites

Reinvigorate costs money

http://www.reinvigorate.net

Reinvigorate is a unique, real-time web analytics system leveraging some of today’s most advanced open-source technology to give you the best-looking and easiest to use analytics platform available.

Market Share by Top Websites

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

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

Websites Categories

1 MyStat has better usage coverage in more websites categories. Including Heavy Industry & Engineering, Adult, Arts & Entertainment, Vehicles and 16 other categories.

2 Reinvigorate is leading in Computers Electronics & Technology, Business & Consumer Services, Hobbies & Leisure and Home & Garden.

Geography

1 Reinvigorate is leading in most countries, including United States, Germany, Russia, United Kingdom and 41 other countries.

2 MyStat is leading in Hungary, Romania, Slovakia, Indonesia and one other country.