Phi2Phi is a peer-to-peer iPhone and iPad app for philosophers to test counterexamples, ask questions, and float ideas—all anonymously. You can:

  • Try out ideas, arguments, thought experiments, and counterexamples.
  • Run informal surveys and micro-polls.
  • Share results on Facebook.
  • Crowdsource reading suggestions and references.
  • Crowdsource teaching suggestions and tips.
  • See what others are thinking about.
  • Pass the time at the bus stop.