iPerceptions
6,482 websites

iPerceptions offers both free and paid options

http://www.iperceptions.com/

Helps improve and optimize websites by tapping into the feedback of real customers in the context of actual online experiences.

VS

whos.amung.us
18,100 websites

whos.amung.us is free to use

http://whos.amung.us/

The whos.amung.us homepage. Here you will find really cool widgets for your website or blog - free! No registration required.

Market Share by Top Websites

1 whos.amung.us is leading in Top 1M Sites and The Entire Web.

2 iPerceptions is leading in Top 10K Sites and Top 100K Sites.

Websites Categories

1 whos.amung.us has better usage coverage in more websites categories. Including Arts & Entertainment, Adult, Computers Electronics & Technology, Science & Education and 18 other categories.

2 iPerceptions is leading in Vehicles and Business & Consumer Services.

Geography

1 whos.amung.us is leading in most countries, including Brazil, Greece, Spain, Taiwan and 125 other countries.

2 iPerceptions is leading in United States, Puerto Rico, Kuwait, Ethiopia and 2 other countries.