PDF Printer for iPhone ($2.99 → Free, 11.2 MB): A productivity app that allows you to convert files into PDFs and share them right from your iPhone.

Ultra Utilities! + Flashlight ($0.99 → Free, 8.8 MB): This five-in-one utility app includes a flashlight, spirit level, tip calculator, ruler, and surface level. The flashlight features strobe, morse code, and SOS functions. Plus more…

Pop Dot Comics ($1.99 → Free, 65.7 MB): Turn your favorite images into comic book-style illustrations with this fun photography app.

The others are:

* Putki ($0.99 → Free, 8.8 MB): An endless distance game that has you speeding down tunnels.

* ArcherCat ($0.99 → Free, 49.2 MB): Play as a rookie Archer Cat and build up your skills by downing the insane birds in this strategy game.

* MUSaIC ($1.99 → Free, 8.6 MB): A gesture-driven music player that puts your entire library at the tips of your fingers.

* Last Fish ($0.99 → Free, 7.9 MB): This stylish tilt-based arcade game has you guiding a tiny fish through toxic waters.

* N.Y.Zombies ($0.99 → Free, 54.8 MB): An on-rails FPS set in New York City.

* Oh Hi! Octopi! ($0.99 → Free, 7.7 MB): An action puzzle game from the creator of 1-bit Ninja.

For links and full descriptions visit the OP:

Today’s Apps Gone Free: PDF Printer, MUSaIC, Oh Hi! Octopi! And More — AppAdvice