IOTize TapNLink Primer offers a quick and easy way to add a wireless channel that connects your Arduino board to iOS/iPhone and Android mobiles.
The highlights:
- TapNLink requires only two wire connections and a power supply from your Arduino
- Its ArdTap library is integrated in Arduino IDE, so there's no code to develop
- TapNLink just needs to be configured for your Arduino
- TapNLink configuration results in automatically generated apps for iOS and Android

The TapNLink tutorial shows you exactly how to add TapNLink to your Arduino:
You can get TapNLink Primer from these official suppliers: