Travello Travel Social Network is a free iPhone app that connects travelers from all over the world in a single place. With over 180 countries, it is the world's largest and most trusted travel community. The app allows you to search for new travel buddies, discover travelers who are nearby, and connect with like-minded travelers without leaving your couch.

The app has a social feed where you can share your travel ideas and epic photos with other travelers. You can also add your future travel plans to your Trips and Travello will automatically tell you who else will be there at the same time. The app offers over 30,000 activities at exclusive prices with global 'Price Guarantee,' so you can book transport, climb the Eiffel Tower, go skydiving, and skip the queue with instant confirmation and trusted customer reviews.

Travello also rewards you with points for posting photos, getting likes, referring friends, and booking day trips, which you can use for discounts off activities and sightseeing tours worldwide. Overall, Travello Travel Social Network is an excellent app for solo travelers who want to connect with others and make the most of their travel experiences.