VPN.AC is a security-focused VPN service operated by professionals with a strong background in Information Security, Linux and Networking.
VPN.AC Client for Android encrypts all mobile traffic using state-of-the-art Elliptic Curve Cryptography and AES GCM ciphers.

Ultra-fast gigabit servers located in over 20 countries on 4 continents ensure very good latency for mobile connections.
Both UDP and TCP connections are possible using multiple ports to by-pass firewalls.
Auto-reconnect on system boot and network change.
Geo-location included in the app to display your IP address and location.
Easy choose VPN server location from drop-down menu.
Server list is always up-to-date.
Ability to use or exclude the VPN for selected apps.

Encryption Details:

– Elliptic Curve Cryptography (ECC) using 256-bit Koblitz curve secp256k1 for keys; SHA512 HMAC and AES-128-GCM for data-channel.
– RSA-4096; SHA512 or SHA256 and AES-256-GCM or AES-128-GCM for data channels.
– PFS is enabled with 1-hour rekey interval.

Note: To use our VPN service, you require an active VPN subscription. Find out more about our VPN service at https://vpn.ac

Premium VPN service for as low as $4 / month.
Multiple servers in over 20 countries: USA, Canada, Mexico, UK, Australia, Germany, Finland, France, Luxembourg, Switzerland, Sweden, Spain, Portugal, Poland, Lithuania, Netherlands, Norway, Romania, Hong Kong, Japan, South Korea, Singapore.