ShutterSnitch is subscription based. With a subscription you get access to all features and updates. The first week is *free* so you can verify that things work with your specific camera or wi-fi card. Wirelessly transfer images to your iOS device from an Eye-Fi, Transcend Wi-Fi, Toshiba FlashAir, PQI Air, or ez Share card, GoPro HERO, Fujifilm cameras with built-in Wi-Fi, PTP/IP enabled device (s