Vocre was one of the more popular battlefield companies at Disrupt SF 2011; the automagical quality of the app and their excellent on-stage presentation made them one of the frontrunners. They haven’t been idle since then, though, and they’ve taken the advice of some critics who suggested their pay-per-use model was going to turn off users.They’re releasing a new version of the app today with a few significant improvements, most notably that the app is now free.