CryptoStorm vs Cloak

Currently accepts cryptocurrency including Bitcoin, Darkcoins, Dogecoins, Litecoins, Namecoins.

No single entity in charge of accepting payments for services (decentralized payments).
No account information stored.
User name is Hashed Token.
Can buy from Resellers to further distance purchase from VPN provider.

Custom Open Source Client available to set up VPN connection. Other methods, including OpenVPN, etc., exist as well.

Non-US Based.
Not required by law to keep logs.
Privacy protections of Iceland.

No logs kept. No account information. No way to enforce Terms of Service.

Will commit corporate seppuku (similar to Lavabit) if no other option exists to protect user privacy.

256 bit AES + SHA512

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.

The developer of Cloak is extremely responsive to feedback and quick to answer questions or support requests.

Cloak can be set to not use the VPN on whitelisted WiFI SSIDs (like home/work).

Unlimited devices and data per account, so you can connect up the whole family or office on one account if you so choose.