BridgeTrack
12 websites

BridgeTrack offers both free and paid options

http://www.bridgetrack.com/

BridgeTrack is a digital marketing suite that gives you the ability to optimize your marketing efforts across the full spectrum of digital channels.

VS

MSN Ads
32 websites

MSN Ads is free to use

http://bingads.microsoft.com/

Show ads on Bing. Display your product or service to as many as 151 million potential customers.

Market Share by Top Websites

2 BridgeTrack is leading in Top 100K Sites.

Websites Categories

1 MSN Ads has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Food & Drink, Hobbies & Leisure and 8 other categories.

2 BridgeTrack is leading in Finance, Business & Consumer Services and Gambling.

Geography

1 MSN Ads is leading in most countries, including United States, Bulgaria, Czech Republic, Finland and 5 other countries.

2 BridgeTrack is leading in Canada.