By Chris Morris

PHILADELPHIA (CBS) – On today’s APP-tastic and outta SITE – Onavo.

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As cellphone networks get faster, it’s getting a lot easier to hit your data cap without realizing it – and that can result in some nasty overage charges. Onavo is an app that can let you know as you approach that limit.

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In a nutshell, the app runs everything you do online through its servers. It will condense the results, which cuts back on your usage. At the same time, it will keep a running tally of the bandwidth you’ve used, letting you know when you get close to your limit.

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Check out the Onavo app.