Anemometer Accessory for Smartphone by Vaavud (Red)
The rugged, electronicless Vaavud wind meter turns your smartphone into a high-tech meteorological tool.  Works with iPhone 4, 4S, 5, 5C, 5S, Samsung Galaxy S3, S4, HTC One and Google Nexus 5.The Vaavud wind meter works with all iPhones from 4 and onwards, and all iPads from 2 and onwards, running on iOS 6 or 7.With regards to Android phones we have currently confirmed it to work with Samsung Galaxy S3 and S4, HTC one and Google Nexus 5, as well as a number of other devices. Check out the post in our knowledge base to see the complete list.  https://vaavud.zendesk.com/entries/25125193-List-of-devices-that-work-with-the-Vaavud-wind-meter