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(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.
(Credit: BlockThirty, XE.com)
The more diligent and sensible travellers among us will budget their trip to ensure that they don't break the bank, but even if you're motivated enough to keep a budget, let's face it; it's boring and it wastes precious fun time.
Piggie allows you to favourite expenses like transport or accommodation, so that adding a cab fare or that third round of cocktails is as easy as a few taps of the screen. If your trip takes you across borders, then Piggie will let you switch currencies to keep your countries separate. There are graphs to let you see what categories of expenses are costing you the most — assuming you want to see what percentage of your budget is alcohol.
XE Currency Converter
iOS, Android, Windows Phone 7, BlackBerry
Let's face it: the exchange rate that our banks give us overseas is never anything like the market rate that apps like XE provide. Still, if you want a good idea of what your dollar is worth, then XE is a great bet. Simply set up the currencies you wish to convert in your favourites, update the rates once and they will always be available — even without internet. Of course, you will want to periodically update with a Wi-Fi connection if you're not on roaming data, just to keep it accurate.