Does Iphone 6 charge you to download facebook and instagram and snapchat?

Just want to know

If you're using data, yes.

Your iPhone doesn't charge you anything.

Both FB and IG are free apps. You don't pay any money to use them. However, if you download them through your mobile data and go over your data limit, you may be charged extra.

Gadgets do not charge you money for downloading anything. It's the app that you use that does that especially when you provide your credit card number to it.

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Depends on your plan