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Mozilla VPN Review 2021 - Just Not There Yet

Author Image Kristin Hassel
Kristin Hassel | Cybersecurity Researcher

Mozilla Firefox is one of the most popular web browsers available. It’s simplistic, intuitive, and available for all the most popular devices. Knowing this, I went into this review expecting a lot from the company that brought us Firefox. Sadly, I was a bit disappointed.

US-based Mozilla VPN is a newcomer to the VPN market but it’s grabbing the attention of the online community. Despite the buzz, Mozilla VPN offers basic security and its privacy policy (while honest) leaves a lot to be desired.

Short on Time? Here Are My Key Findings:

  • Offers servers in 30 countries. Mozilla VPN runs on Mullvad VPNs servers, you can see more detailed server numbers here.
  • It unblocks Netflix US and 9Now. The US servers can unblock Netflix US, but I was unable to unblock Hulu. To find out what else it can and can’t unblock click here.
  • Decent speeds for HD streaming. Speeds on most US servers are excellent for streaming in HD, but not UltraHD/4k. To find speed details and how it stacks up for gaming check here.
  • Can’t turn off the kill switch. Basic security besides a constant kill switch and split tunneling. No multi-hop or advanced obfuscation features. See more.
  • Keeps some personal information. It does keep logs but is very straightforward about the data it collects, still, it could put your personal information at risk. Learn how.
  • Simple install and setup. The app is easy to install and navigate, turning on features is simple and connecting to a server only takes a few clicks. Learn more.

Mozilla VPN Features Updated in 2021

Price $4.99/month
Money Back Guarantee 30
Does VPN keep logs? No
Number of servers 750
Number of devices per license 5
Kill switch Yes
Based in country United States
Supports torrenting No

Streaming – Can It Unblock Netflix? Yes

Unblocked: Netflix US, 9Now, Showtime, and YouTube

I connected to a server in California and Colorado and was able to unblock Netflix US. That’s why I wasn’t surprised I was also able to bypass geoblocks for Hulu and Disney+. I connected to an Australian server and was able to unblock 9Now.

A screenshot of two of the streaming services Mozilla VPN unblocks, as well as the speeds for those servers.

Mozilla VPN Unblocks Netflix US and 9Now.

Blocked By: BBC iPlayer, other Netflix libraries

After connecting to a UK server, I attempted to access BBC iPlayer and was blocked. I was also unable to access Netflix France, Spain, and other libraries.

A screenshot of BBC iPlayer geoblocked, next to a speed test for Mozilla VPN London.

The UK servers for Mozilla VPN couldn’t unblock BBC iPlayer.

If you want access to BBC iPlayer and more Netflix libraries worldwide you’d be better off with a VPN built for streaming.

Speeds – Decent for HD Streaming

I tested speeds for several different servers through Mozilla VPN, but initially had some issues with connections. I kept getting an error message that I needed to check my connection. Since my internet connection was fine prior to connecting to Mozilla VPN, I thought to reinstall the application. Once I did, I was able to easily connect to a server. My speeds before connecting were decent, I had a 23.9 Mbps download with an upload of 4.81Mbps. Ping was around 28ms.

To stream in HD without buffering you need around 5Mbps download speed, in UltraHD/4k you would need around 25Mbps. So while my speeds aren’t fast enough for streaming 4k, I am able to comfortably stream in HD. Unfortunately, as you see in the chart below, I was never able to reach 25Mbps.

A bar chart depicting the results of speed tests performed on several Mozilla VPN servers, compared to base speeds before connecting.

Speeds are decent for streaming in HD without buffering.

Are Mozilla VPNs Speeds Fast Enough for Gaming? On Most Servers, Not All

Ping on servers will likely be good enough to prevent major lag, as I had under 100ms speeds in most places. Ping is the amount of time it takes for your data to travel to the server and back. When it’s too high, you will experience latency issues. While 100ms is on the high-end of acceptable, you can game with little issue during non-peak hours.

Sadly all you gamer’s out there have another reason to be disappointed. Mozilla VPN isn’t compatible with routers or Xbox, PlayStation, or other gaming consoles. If you want a VPN for gaming, you’d be better off trying one of these vendors.

Server Network – Limited

Mozilla VPN runs on Mullvad VPN’s server network, offering 750+ servers in over 30 countries.

Mozilla VPN is only available for download in six countries though, including the US, UK, Canada, New Zealand, Singapore, and Malaysia. That means if you live outside these areas, you’ll need a VPN to even install it. I did find a few good features though, including the ability to bypass Netflix US anti-VPN technologies.

Does Mozilla VPN Work for China? Yes

Mozilla VPN says Mullvad’s servers can help you bypass the Great Firewall of China and it’s absolutely correct. Mullvad’s servers have consistently shown that it can unblock geo-restricted content in China. If you live in China and want the VPN, however, you’re out of luck. China isn’t one of the six countries within its download area.

Security – Very Basic

In terms of additional security, it doesn’t have a lot of extras except a kill switch, and the option of split tunneling under Settings. The kill switch is on by default for Windows, Android, iOS, macOS, and Linux. There is no way to shut it off.

On the upside, it features WireGuard, with ChaCha encryption, a fairly new protocol that’s in the early stages of use in VPNs. WireGuard only uses around 4,000 lines of code, compared to the 70,000 required by OpenVPN. This makes it easier to find and repair issues, which lessens vulnerabilities. It also increases speeds for streaming. On the downside, WireGuard isn’t as secure as OpenVPN.

Privacy – Collects and Shares Certain Data

Mozilla VPN prides itself on following the strict Data Privacy Principles practiced by Mozilla, but what does that mean? I checked it out for myself. According to the policy, the VPN collects the following data from its users: Firefox account information, interaction and technical data, and location. Since account information includes your location, email address, and IP address, it seems like pretty identifiable information to me.

Not only that, but it also shares some data with its third-party affiliates. Mullvad receives the encrypted internet traffic from the VPN since Mozilla VPN uses it’s servers, and Mozilla’s payment processing vendor Stripe receives user payment information. Mullvad and Stripe are under a contractual obligation with Mozilla VPN not to share user information, and Mozilla swears its affiliates never share the information received.

That’s a nice promise but if it says no-logs, the VPN itself shouldn’t collect any personally identifiable information. While I give it points for being honest about data collection policies, Mozilla VPN isn’t a no-logs VPN. If you want a private browsing experience take a look at one of the best true no-logs VPNs, to find the best option for you.

On the upside, it didn’t leak my IP address or DNS requests during testing. So despite its data collection practices, it is keeping your location hidden.

A screenshot of a DNS/IP leak test performed on Mozilla VPN.

IP/DNS leak test results showed Mozilla VPN didn’t leak my true connection information.

Is It Good for Torrenting? Not Recommended

I don’t recommend using Mozilla VPN for torrenting, despite it having a kill switch and the fact that it didn’t leak my IP/DNS. It collects too much information for me to feel comfortable recommending it to torrent with, some of which is your true IP address and location connected to your Firefox account. Plus, most of the areas it’s available for download in are within the 5, 9, and 14-Eyes Alliance.

Ease of Use


Simultaneous Device Connections

One subscription allows you to use Mozilla VPN on up to 5 devices. I tested the service on my Android tablet and phone, as well as my Windows device.

Compatibility – Mobile Devices and Computers

Mozilla VPN is available for macOS, Windows 10, Linux, iOS, and Android. It isn’t compatible with routers, Xbox, or PlayStation and you won’t be able to use it on Amazon Fire TV Stick, Roku, Smart TVs, or Apple TV.

Setup & Installation

Mozilla VPN is easy to use, simply install the app from your compatible devices app store and follow the prompts. The mobile app takes less than 10 minutes to install and setup and the interface is extremely intuitive.

On the main interface toggle the switch to on, and then connect to a server in your desired location. To choose a server use the drop-down menu located under the toggle switch, on the main interface.

The main interface for Mozilla VPN also shows you how many devices you currently have attached to the license, which is a nice extra.

Compare Mozilla VPN with the top alternative VPNs



Mozilla VPN
$4.99 /month

Mozilla VPN is an affordable option if you’re on a budget. For $4.99/month you get fast speeds, unlimited bandwidth, and use on up to five devices per license. You also get a 30-day money-back the first time you purchase a subscription.

Reliability & Support


Overall, the app is reliable and customer support is easy to use.

Mozilla offers users support through the app 24/7. Simply click on the Settings icon and choose Get Help, then select Contact Us to arrive at the ticket form.

Users can also join the online Mozilla VPN community to get assistance from peers who also use the program, and the VPN has an expansive knowledge-base as well.

The Bottom Line

Fast and affordable, but it has a questionable logs policy.

The fast connections, unlimited bandwidth, and affordable monthly plan are great features. It offers a kill switch, ultra-secure WireGuard protocol, and holds its affiliates to a contract in terms of how it uses customer information.

Still, the no-logs policy isn’t as solid as Mozilla claims and that could potentially put your data at risk.

Vendor High Points


Is Mozilla VPN safe?

During testing I found that Mozilla VPN doesn’t leak IP addresses or DNS requests, but it does collect an awful lot of account data including your true location. Anything saved can usually be found by a dedicated hacker. That said it is very honest about the data it keeps and shares.

If you are comfortable sharing your email account information in its entirety, it isn’t the worst VPN I’ve tested. If you want something a bit more private, try one of these top VPNs for security.

Are VPNs legal?

In most countries, it’s completely legal to use a VPN. There are a few areas, like China and Russia, that ban citizens from using VPNs or only allow them to use government-sanctioned VPNs. To date, however, no tourist has gotten into trouble for using one during vacation.

To find out more about where VPNs are legal and where they are illegal, check out this guide.

Can I use Mozilla VPN free?

No. The service no longer offers a free version, only the paid option. It does offer a 30-day money-back guarantee the first time you subscribe to the service, so you can test it risk-free for a time.

Money Back Guarantee (Days) : 30
Mobile app :
Number of devices per license : 5

Mozilla VPN User Reviews

Based on 3 reviews in 2 languages
Ambros Hoffmann
Using T-Mobile Home Network - 2
Ambros Hoffmann -
Sep 15, 2021

Mozilla VPN doesn’t work with the new T-Mobile Home Network. I used servers in the USA and Austria non-will connect with acceptable speeds for live streaming. After 4 months of using it with my Cox Internet and having acceptable download speeds I will discontinue using it since T-Mobile home Network is about twice as fast as my existing Cox Internet and only $50/month.

Decent VPN - 6

It's a decent VPN. The most simple and basic VPN I've personally used. It's one of the cheapest monthly VPN I've come across that doesn't require you to commit for years. I am planning to move to another VPN as soon as I find one because I find it to something interfere with my connection when my phone switches from wifi to mobile. I notice this VPN breaks a lot of apps as well.

Decevant...lent...pas de remboursement - 2
Kiki31h -
Aug 13, 2021

J ai souscrit a mozilla vpn....59,88€!!! pour 1 an avec "garantie de remboursement 1 mois. Testé 10 jours...très déçu...lent, ne sait pas quand il est en service...etc. J'ai donc fait jouer la garantie de remboursement...très complexe sans doute pour decourager...rien reçu...aucun sav ou service client...impossible de se faire rembourser...j'attendais mieux de Firefox que j'utilisai depuis 3 ans...a fuir!

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