Curious Polls - Answer a question once a day for the chance to win £100/$100
Wedgies - Realtime polling over social media
Polls for iMessage - Group Decisions Made Easy. Create polls, vote, and view the results directly in iMessage. The easiest way to make any group decision.
Poltio - Create and share questions, get answers.
minipoll - Create simple shareable polls in seconds
SurveyMonkey Intelligence - Usage and download metrics for all mobile apps