When comparing Get Satisfaction vs UseResponse, the Slant community recommends UseResponse for most people. In the question“What are the best user support & feedback services?” UseResponse is ranked 4th while Get Satisfaction is ranked 11th. The most important reason people chose UseResponse is:
Currently supports 10 languages, translation tool available.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Gamification feature
Get Satisfaction offers you the ability to gamify your community and reward actions such as answering a question or writing a review.
Pro Facebook Pages integration
You can use a Facebook application that will integrate Support & Feedback options in your Facebook brand page for your users.
Pro Multi-language support
Currently supports 10 languages, translation tool available.

Pro Self-hosted option available
It includes unlimited number of users, agents, topics, support of SSL encryption, polls, announcements, and 1 year of support & upgrade. There are also commercial add-ons that can be purchased separately.
Pro Full UI Customization
Easy to configure the interface and the flows
Cons
Con Limited customization
There is very little ability to customize the layout beyond adding basic branding (like logos).

Con No free version
