Hello Hello

Hello-Hello World (free; iPad)

What it is: A way to learn language with help from Hello-Hello users the world over.

How it works: Use the app to connect to native speakers anywhere, anytime.

Why it's great: It's free, plus the conversational courses were developed in collaboration with the American Council on the Teaching of Foreign Languages, which is a respected association for language teachers and professionals.

Why you might hesitate: No reason to hesitate. Hello-Hello has been helping people learn since Hello-Hello Spanish debuted last year. If you use an Android, BlackBerry or an iPhone, you'll have to wait; Hello-Hello promises versions for your device.

Who it's for: Anyone who wants to learn a new language while making new friends.

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