Leading the way in smart phone technology, the iPhone is more like a small computer than a mobile phone. This makes it the perfect device to bring with you when you are traveling, especially in an unfamiliar area. Although the iPhone has Internet capabilities that allow you to have all the information you want at your fingertips, there are also a number iPhone applications, or apps, that can make traveling easier.Before seeking out apps to use for your trip to London, there are a few things to consider. If possible, you should buy apps before you get to your destination. This way you save on your trip expenses by taking care of app fees prior to leaving. It also gives you the opportunity to become acquainted with an app before testing it out in the field. You don't want to be in London when you find out that an app isn't right for you or that you can't figure out how to use it. For tourists who are planning on traveling around London, here are the top 5 iPhone apps that can help you have a safe journey as well as having the most enjoyable experience possible.Price: $0.99 The London Tube app gives users all of the information they need about using the London Underground including maps, guides, schedules and more. If you're lost and need to find out how to get somewhere, the London Tube app can locate you via GPS and give you instructions on which trains to take in order to safely get to your destination. The low price makes this a wise choice for anyone who is unfamiliar with the underground train system in London.Price: $0.99 If you're travelling on a budget, consider downloading the London Free app. This app is your one-stop guide to all of the free events and activities in the London area. Not only do you get a list of free activities, but the London Free app also gives you contact information, hours of operation and map locations so you know exactly when and where these events are taking place. You can even bookmark favorite locations, making it easier to plan your trip.Price $2.99 The London City Slicker app is one of the best for traveling around London. This app is filled with knowledge, maps, images and audio on the surrounding area. You can plug in your headphones and enjoy your own guided audio tour of London, with the ability to freely stop or start at any time. Be on the look out for newer versions that will have video support as well.Price: Free If you need something to do while travelling in London, the Spoonfed Radar is an iPhone app worth having. You can search for things to do by category, from music and dancing to pubs and bars and even live comedy and theatre. The app also provides you with maps so you can easily find what you're looking for. If you're not in the exploring mood, you can use Spoonfed Radar to point out all of the things happening in your local area. The best part about the Spoonfed Radar app is that it is completely free, so there's no financial risk in trying it out.Price: $15.99 One of the best iPhone apps for travelling around London is the Lonely Planet London City Guide. This iPhone guidebook has a plethora of information on the city's history, culture, activities and events. Not only can you read information on landmarks and local culture, but the app also contains plenty of travel tips for getting the most out of your London experience. By utilizing the Favorites function you can easily access all of the information and activities you are interested in at the push of a button.When travelling around London, an iPhone can be one of the best tools you can have. It can help you find a place to eat, activities to do and information on the city and its history. The top iPhone apps for travelling around London each offer a unique function that can help you have the best possible experience while staying abroad. The London Tube app makes it easy to find your way around. The London Free app is loaded with free activities and locales. London City Slicker is a high tech audio and visual guide to the city. Spoonfed Radar is an app that helps you find out what's going on in your area. For the best virtual guidebook, download the Lonely Planet London City Guide app. All, you have to do is visit the iphones app store download and try them out for yourself!Looking for hotels in London ? Don't forget to view offers on our London hotels . We also have great information on things to do in London