Have you got one of:
- MacBook Pro (Late 2008 or newer)*
- MacBook Air (Late 2010 or newer)
- MacBook (Late 2008 or newer)*
- iMac (Early 2009 or newer)
- Mac Mini (Mid 2010 or newer)
- Mac Pro (Early 2009 with AirPort Extreme card, or Mid 2010)
As these are the only models that support Airdrop to iOS
🙁