Ad Butler
396 websites

Ad Butler is free to use

http://www.adbutler.com/

Ad Butler offers banner rotation and advertising management software.

VS

C3 Metrics
227 websites

C3 Metrics costs money

http://www.c3metrics.com

C3 Metrics’ Intellectual Property and SaaS platform solves difficult problems in a changing market. C3 Metrics’ IP is the first of its kind to detect viewable impressions through cross-domain iFrames while seamlessly connected to the mos...

Market Share by Top Websites

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

2 C3 Metrics is leading in Top 10K Sites.

Websites Categories

1 Ad Butler has better usage coverage in more websites categories. Including News & Media, Food & Drink, Business & Consumer Services, Arts & Entertainment and 10 other categories.

2 C3 Metrics is leading in Finance, Games, Travel & Tourism, Home & Garden and 3 other categories.

Geography

1 Ad Butler is leading in most countries, including United States, India, United Kingdom, Canada and 47 other countries.

2 C3 Metrics is leading in Brazil, Australia, Georgia, Hungary and 5 other countries.