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In the pages following are some travel apps that we think are well worth using to let your smartphone add value to your trip.
Some will save you money, some may save your life and some will just make your trip more fun — or simply help you boast about it to your mates.
Please note that some of these apps will be better with, or will require you to have, an internet connection. They were all tested on an iPhone 4, but we have noted when they're available on any other mobile operating systems.
(Credit: Onavo, sigterm)
Onavo is your data-limit hero. In a nutshell, Onavo will compress your data, so that what you use will cost you less. Not every internet service will get the benefits of Onavo compression, but the company is steadily growing its base.
Apps that already have their data compressed include the likes of Facebook, Google Maps, Instagram and YouTube. You even get a breakdown of how much you're saving. It's not only a great way to save data, but also a great way to see which app is using the most.
Whatever your data limits are, you're going to want to keep track of them. Data Usage will give details on every aspect of your data usage, including whether you're likely to exceed your limits. It will even tell you where you last accessed mobile data based on a GPS location, just in case you want to find out where you blew that 50MB.
(Credit: Off Exploring, iQapps)
Keep a diary
Ever wanted to do a travel blog, but didn't know where to start, or you knew you wouldn't have regular access to a computer? Off Exploring is a travel blog website with a solid community of travellers, and, better still, a mobile app that doesn't require an internet connection to be useful.
Like any good blog, Off Exploring allows you to make entries with photos, video and text, but with the added benefit of including a location for your posts, importing photos directly from your phone and the ability to queue all of this up in offline mode, ready for a Wi-Fi connection later.
It's a great way to keep friends and family up to speed on how much fun you're having. Don't fret; you can still upload anything from your fancy dSLR via a computer at any time, too.
iOS: AU$2.99; Android: Free
Flicking through the pages of your diary and reminiscing about your old holidays can't be beat — except, of course, if your diary had GPS-enabled maps and geotagged photos, and you could share it to your favourite social network to rub it in your friends' faces.
This app does exactly that. Open the app, start tracking your day and set off. Photos can be taken within the app or imported from your library. You can even go back and add photos, notes and places you visited at a later time. The end result is a map of your movements dotted with photos and notes — brilliant.
Similar to Trip Journal, CheckMyTour will track your trip, geotag photos and let you make notes as you go. It will also allow you to check in using Foursquare, and use an "Around Me" function to find local businesses, as well as posting all of this to Facebook, Twitter or the CheckMyTour community. It also stores some interesting statistics about the day, such as the local weather and the distance you travelled.