If you want to expand the local capabilities of your cell phone, there’s no better way to do it than to search for location-based iPhone apps! These virtual guides allow users to enjoy tips, discounts, and even freebies delivered right to their phones. Here’s a quick comparison of some of the best location-based iPhone apps running today.

USonar gives you the possibility to catch someone local to pass the time. Even if you don’t meet anyone in a new city, you can start meeting people in the time it takes you to read your screen. Users can instantly post comments on their activities. Once you spy on someone you are interested in, send them a message via iPhone.

Hear Planet is a travel guide that sends you lots of insider tips about your location. You will get audio information about historical sites and landmarks of the city. This is a fun way to spend a lonely trip.

DreamWalk is an exciting new location-based iPhone app, and it’s so much fun! It offers a virtual treasure hunt with real prizes at the end. Local businesses and even national chains can place reward points on DreamWalk’s GPS rewards map. When an iPhone user sees one of these gift checkpoints, she can simply travel to the destination and claim the prize. Some of the rewards require the user to complete a few more steps before the reward is awarded. DreamWalk offers quality-controlled rewards that make a day of treasure hunting worthwhile.

The list of available location-based iPhone apps is sure to continue to grow, with creative new apps like DreamWalk popping up every day. If you don’t currently have a GPS-enabled phone, now is the time to get one.