If you've only got a 1 or 2GB plan, adding a data-saving app like Onavo Extend might be a step in the right direction. You may remember my post about Onavo Count, an app for calculating your data usage, which is very similar to this one. The big difference between the two is that Extend takes saving data a step further by using its servers to compress data you request before it gets sent to you.
This app does come with a couple of caveats, though. First, it's not ideal for large file downloads, as it will reduce … Read more