Call it treasure hunting or its more technical name, geocaching – either way it’s a hot way many are exploring new places around the world or even in their own neighborhoods. And with about 2.7 million – and growing – treasures, or geocaches, out there, all you need is the right app to get started. Groundspeak Inc.’s Geocaching app is billed by the company as the official app of geocaching. The app is simple and user-friendly. You can easily search, hunt, and log what you find. The app also allows users to download cache locations before heading out, which means you don’t have to have WiFi or cellular signal access…