iOS version 8 or higher
iPhone 4S or higher
iPod Touch 5 or higher
iPad Mini (all), iPad Air (all), iPad 3 & 4 (or higher)
FreeFlight Mini is available on Apple App Store.
Android version 4.4 or higher
Smartphone Bluetooth Chip has to support Bluetooth Low Energy (or Bluetooth 4.0 / Bluetooth Smart)
FreeFlight Mini is available on Google Play.
Note that some devices will not be compatible due to their internal components, specially the Samsung Galaxy Tab GT P7510 & Kindle Fire HD.
Android version 4.3 only