Ad Butler
396 websites

Ad Butler is free to use

http://www.adbutler.com/

Ad Butler offers banner rotation and advertising management software.

VS

AdvertServe
889 websites

AdvertServe offers both free and paid options

http://www.advertserve.com/

AdvertServe is a complete ad serving solution for advertisers, publishers and networks. Precisely target ads to your audience to optimize inventory usage and increase profits. Review detailed statistics reports in real-time with our web-bas...

Market Share by Top Websites

1 AdvertServe is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, Ad Butler is clearly lagging behind, losing to AdvertServe in all segments.

Websites Categories

1 AdvertServe has better usage coverage in more websites categories. Including Arts & Entertainment, Sports, Computers Electronics & Technology, Health and 17 other categories.

2 Ad Butler is leading in News & Media and Food & Drink.

Geography

1 AdvertServe is leading in most countries, including United States, Germany, Russia, United Kingdom and 36 other countries.

2 Ad Butler is leading in India, Saudi Arabia, Egypt, Japan and 25 other countries.