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

Six Apart Advertising
24 websites

Six Apart Advertising is free to use

http://www.sixapart.com/advertising/

At Six Apart, we pair marqee brands with influential publishers and use our portfolio of conversational marketing and display ad products to create vibrant ...

Market Share by Top Websites

2 BridgeTrack is leading in Top 100K Sites.

Websites Categories

1 Six Apart Advertising has better usage coverage in more websites categories. Including Adult, Health, Arts & Entertainment, Games and 8 other categories.

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

Geography

1 Six Apart Advertising is leading in most countries, including United States, Brazil, Taiwan, France and 5 other countries.

2 BridgeTrack is leading in Canada.