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

Harren Media
15 websites

Harren Media is free to use

http://www.harrenmedia.com/

Market Share by Top Websites

2 BridgeTrack is leading in Top 100K Sites.

Websites Categories

1 BridgeTrack has better usage coverage in more websites categories. Including Finance, Business & Consumer Services, Food & Drink, Gambling and one other category.

2 Harren Media is leading in Arts & Entertainment.

Geography

1 Harren Media is leading in most countries, including Brazil, Peru and Spain.

2 BridgeTrack is leading in United States and Canada.