VPN for iPhone

“Best” is a matter of opinion. You’ll need to read reviews and research which one you‘re comfortable with.

There are are plenty of comparative reviews online - e.g. The Best VPN Apps for the iPhone | PCMag.com

Typically "free" does not equal to "secure." That is, most VPN providers that offer free service sell your information. They need to make money some how.

You may find some of the following articles valuable in making a decision on which "free" VPN service you end up going with:

• Good luck finding a safe VPN - Engadget
• Beware: Most Mobile VPNs Aren't As Safe As They Seem - Wired
• Detailed VPN Comparison Chart - That One Privacy Site