How does Wi-Fi work while i'm in another country?

Ok i'm going to argentina for 10 days. I have a sprint iphone 4s. I got an international phone for calls. But will i be able to use my apps and search the internet? If there's Wi-Fi will i be able to use all my apps? For example, i have a texting app, would i be able to use that to text and not get charged?

The phone service should work fine. The Wi-Fi should also work. You may or may not get charged for that texting app

Don't use internet if there's no Wi-Fi spot. It is very expensive. If you want to use a Wi-Fi spot if its there, you go to your setting and change the Wi-Fi address.

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