VPNs, or Virtual Private Networks, are great tools for anyone concerned about diminishing privacy on the internet. These days, it's difficult to surf the web without leaving behind a trail of your activity.

While there's certainly no foolproof privacy option, VPNs are a popular way to shroud your web identity, and they're available for almost any device that connects to the internet, including iOS devices like the iPhone.

SEE ALSO: The best free VPNs in the UK, and paid alternatives

An iPhone is an expensive purchase, and therefore something that you should really be protecting at all costs. To keep your data protected in transit, you need a VPN. With a VPN's protection, nobody can see or tweak your network traffic, not even the network's owner. VPNs encrypt your traffic before it leaves your phone. This encrypted data stream travels to a server owned by the VPN company, where it's decrypted and sent on its way. This keeps your activity under wraps. Read more...

More about Tech, Apple, Iphone, Software, and Vpn

IMAGE: Mashable

Best Interface

PureVPN

PureVPN is pretty user-friendly, but so are most VPN iOS apps that compete in a crowded market.

• Monthly: £8.63/month

• 1 year plan: £2.62/month

• 2 year plan: £2.27/month

IMAGE: Mashable

Best for newbies

CyberGhost VPN

CyberGhost is a great pick for your iPhone if you need someone to walk you through the basics.

• Monthly: £10.29/month

• 1 year plan: £4.59/month

• 2 year plan: £3.09/month

• 3 year plan: £2.10/month

IMAGE: Mashable

Best for security

NordVPN

NordVPN is an excellent VPN service, with the most servers of any VPN we've seen.

• Monthly: £9.15/month

• 1 year plan: £5.35/month

• 2 year plan: £3.05/month

• 3 year plan: £2.29/month

IMAGE: Mashable

Best value for money

PIA

PIA is a great monthly value for users who don't mind a US-based VPN.

• Monthly: £2.45/month

• 1 year plan: £4.72/month

IMAGE: Mashable

Best for advanced features

VyprVPN

Golden Frog VyprVPN offers advanced features, a robust service, and a friendly interface.

• Monthly: £9.25/month

• 1 year plan: £3.59/month

IMAGE: Mashable

Best for Netflix

Tunnelbear VPN

Pleasing design and not blocked by Netflix (although this could change).

• Monthly: £7.85/month

• 1 year plan: £3.92/month

• 2 year plan: £3.28/month