Platforms: iOS, Android; Free

Who’s trying to push plastic bottles for milk money? Not us, and certainly not you. Get in the green spirit more ways than one by tackling scrap metal recycling with the iScrap app, which offers cash for all unwanted metal. Identify unknown metals by snapping photos and sending them over to local scrappers, while tracking down auto wreckers, metal recyclers, and scrap yards around your vicinity.