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

Ghostery
119 websites

Ghostery is free to use

https://www.ghostery.com

Evidon gives businesses an easy, standard way of providing evidence of compliance with industry guidelines, and consumers more transparency into and control over how their information is used online

Market Share by Top Websites

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

2 In terms of market share, BridgeTrack is clearly lagging behind, losing to Ghostery in all segments.

Websites Categories

1 Ghostery has better usage coverage in more websites categories. Including Vehicles, Games, Computers Electronics & Technology, Food & Drink and 11 other categories.

2 BridgeTrack is leading in Finance.

Geography

1 Ghostery is leading in most countries, including United States, Mexico, China, India and 17 other countries.

2 BridgeTrack hasn't got a lead over Ghostery in any country.