Router VPN vs VPN App: Which One Do You Need?
Both send your traffic through an encrypted tunnel. The difference is which devices are covered, and where.
A VPN app protects one device, wherever it goes. A router VPN covers the devices that connect through that router, but only at home. If you mainly want protection on public Wi-Fi, you need the app. A router VPN makes sense when you want home devices covered that cannot run an app of their own.
What does a VPN do?
A VPN routes your traffic through the provider’s servers, so websites see that server instead of your device, the FTC explains. Many VPNs also encrypt that traffic.
That matters most on open public Wi-Fi, where the FTC notes others can see your traffic. With encryption, they only see gibberish.
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Router VPN vs VPN app
- VPN app: protects one phone, tablet or computer on any network.
- Router VPN: covers devices using that router, including ones that cannot install a VPN app. It does nothing for your phone once you leave home.
When the app is better
When you are away from home. The NSA advises using a personal hotspot instead of public Wi-Fi when possible, and a trusted VPN if you must use public Wi-Fi.
A router VPN cannot help there, because your phone is no longer behind your router.
When a router VPN is better
- You want devices covered that cannot run a VPN app.
- You want to set it up once, not on each device.
- You want all home traffic to leave through the VPN provider by default.
You can also use both: a router VPN at home and an app on your phone.
A VPN server on your router
That is a different feature. It lets you connect back into your home network from outside. The NSA and CISA warn these servers are entry points that attackers target.
They advise patching quickly, because VPN flaws are often exploited fast. If you do not need remote access, leave the VPN server off.
Does a VPN secure your router?
No. A VPN protects traffic in transit. It does not fix a default password, an unpatched flaw or an end-of-life router. See our router security checklist.
It also does not make you anonymous. The FTC says a VPN shifts trust from your internet or Wi-Fi provider to the VPN provider. Sites can still track you through information you give them.
How to choose a VPN provider
The FTC suggests four checks:
- Research the provider using outside reviews from sources you respect.
- Review app permissions, and question any that do not fit its purpose.
- Confirm it encrypts your traffic. Some encrypt only part of it, or none.
- Read the privacy policy to see whether it shares data with third parties such as advertisers.
Whichever VPN you pick, check your router’s grade to see if your router still gets updates.
Frequently Asked Questions
Not for basic safety on your own secured Wi-Fi. NSA VPN advice focuses on public Wi-Fi and connecting to work networks. A home VPN is mainly a privacy choice.
Largely, yes. The FTC says a VPN app typically obscures your traffic from your internet provider. But the VPN provider can see it instead.
Be careful. The FTC cited researchers who studied almost 300 VPN apps and found some did not use encryption, some requested sensitive permissions, and some shared data with third parties.
It can. Speed depends on your router’s hardware, the VPN protocol and the server. Run a speed test before and after turning it on.
No. Router attacks usually target default passwords or unpatched flaws, which a VPN does not fix. Change default passwords, keep firmware updated and turn off remote management.
Sources
Dates show when each source was published or when we checked it.
- FTC Consumer Information blog: Shopping for a VPN app? Read this (archived copy) (February 22, 2018)
- FTC press release: FTC Provides Tips for Using VPN Apps (February 22, 2018)
- NSA: NSA Issues Guidance on Securing Wireless Devices in Public Settings (July 29, 2021)
- NSA Cybersecurity Information Sheet: Best Practices for Securing Your Home Network (February 22, 2023)
- NSA and CISA Cybersecurity Information Sheet: Selecting and Hardening Remote Access VPN Solutions (September 28, 2021)
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