When comparing SocialPilot vs HootSuite, the Slant community recommends HootSuite for most people. In the question“What are the best social media managers?” HootSuite is ranked 2nd while SocialPilot is ranked 7th. The most important reason people chose HootSuite is:
HootSuite gathers activity from numerous social networks into a dashboard display. Activity can be filtered into separate streams, and those streams can be arranged across multiple tabs.
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Pros
Pro Has a free version

Pro Customizable feed aggregation
HootSuite gathers activity from numerous social networks into a dashboard display. Activity can be filtered into separate streams, and those streams can be arranged across multiple tabs.

Pro Large list of supported networks
In addition to Twitter, Facebook and LinkedIn, HootSuite supports many networks not covered by similar services; examples include YouTube, Tumblr, Foursquare and MySpace.

Pro Automated post scheduling recommendations
When scheduling a post, HootSuite recommends a time to post for maximum viewership. This can be overridden.
Cons

Con Steep learning curve
HootSuite is notoriously complex, and their HootSuite University learning resource is a paid premium feature.
