When comparing Ultrasurf vs Cloak, the Slant community recommends Cloak for most people. In the question“What is the best VPN provider? ” Cloak is ranked 25th while Ultrasurf is ranked 83rd. The most important reason people chose Cloak is:
SSL pinning protects against some forms of man-in-the-middle attacks that even SSL encrypted traffic is vulnerable to. Not long ago, iOS did not allow for pinning but that may have changed more recently.
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Pros
Pro Does SSL Pinning on OS X
SSL pinning protects against some forms of man-in-the-middle attacks that even SSL encrypted traffic is vulnerable to. Not long ago, iOS did not allow for pinning but that may have changed more recently.
Pro Responsive developer
The developer of Cloak is extremely responsive to feedback and quick to answer questions or support requests.
Pro Senses Trusted WiFi networks
Cloak can be set to not use the VPN on whitelisted WiFI SSIDs (like home/work).
Pro Unlimited devices (as long as they're OSX/iOS)
Unlimited devices and data per account, so you can connect up the whole family or office on one account if you so choose.
Cons
Con This app is suspected of malicious behavior
The software allegedly connects to websites of financial and government institutions, and uses the PC for attacks against them. It disables SSL certificate checks and allows man-in-the-middle attacks to steal authentication credentials. It hooks into the browser and uses suspicious compression to hide parts of the program.