Chirp App for iOS
'Chirp is a magical new way to share your stuff – using sound. Chirp 'sings' information from one iPhone to another. Share photos, links, notes and more: all from your built-in iPhone speaker. What will you chirp?
Chirp lets you send information over the air to anyone running the app near you. Use the app to send or receive pictures from your camera, and share with everyone in the room. Chirp is the super-simple way to share that everyone's talking about - download it now.
✔ Share photos with groups of friends
✔ One-button simple: just chirp it!
✔ Share any link you like
Notes: you need to run Chirp to receive chirps. Sharing requires a network connection. Chirp works in noisy places too - check it out.'
This is a free app