Echo
2 websites

Echo offers both free and paid options

http://www.aboutecho.com/

Echo is the premier provider of real-time, social products.

VS

SocialRMS
5 websites

SocialRMS offers both free and paid options

http://socialinterface.com/socialrms/

How it works. SocialRMS puts social review and ratings capabilities on any eCommerce platform. A social review is a comment that reflects the buyers opinion ...

Market Share by Top Websites

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

Websites Categories

1 SocialRMS has better usage coverage in more websites categories. Including Business & Consumer Services and Sports.

2 Echo is leading in Arts & Entertainment.

Geography

1 SocialRMS is leading in most countries, including United States and Canada.

2 Echo hasn't got a lead over SocialRMS in any country.