GooseChase - The Original Scavenger Hunt App
Guides by Lonely Planet - Explore city guides curated by experts.
Treasure Hunt - A scavenger hunt app for kids, powered by machine learning
Foursquare City Guide - Foursquare City Guide is a Free to use mobile application that will lead you to the perfect spot anytime anywhere around the world.
Geocaching - Geocaching is the premier app for locating geocaches. This app is available for both the Android and iOS platforms, and it makes locating these popular hidden treasures easy and fun.
Lonely Planet - travel guide book publisher