ProPrivacy report means that tens of millions of Android VPN customers may very well be leaking private data


  • 40% of all free VPNs within the Google Play Retailer leak personally identifiable data
  • 81.Four million downloads of faulty apps
  • Tens of millions of customers worldwide may very well be in danger
  • Builders creating a number of variations of faulty apps
  • ProPrivacy has launched a free & totally automated leak testing software to assist fight the rise in poor high quality companies

ProPrivacy analyzed the highest 250 free VPN apps within the Google Play Retailer and located that greater than 40% didn’t adequately shield customers’ privateness. Collectively, these apps, which falsely profess to guard privateness, symbolize some 81.Four million downloads.

VPN expertise was as soon as considered as a distinct segment product, utilized by the perimeter members of society to defend malicious exercise, however that is now not the case.

The general public’s relationship with digital privateness is altering. A lot of watershed moments have occurred through the years; from the Edward Snowden revelations in 2013 to the Cambridge Analytica scandal in 2019, customers have change into acutely conscious that their privateness is dealing with unprecedented assaults.

In March 2017, the US administration and FCC fully dismantled shopper privateness protections, permitting ISPs to trace clients and promote knowledge to 3rd events. This proved a tipping level and noticed sharp will increase in VPN uptake throughout the US. 

The rising consciousness of digital privateness has created a massively profitable alternative. The mixed VPN market is projected to succeed in in extra of US$50 billion by 2024, up from US$34 billion in 2018.

Client VPNs have been downloaded greater than 1.25 billion instances on the Google Play Retailer alone. Collectively, that’s greater than Twitter, Snapchat, Skype and Microsoft Phrase.

VPNs have change into massive enterprise and everybody desires a chunk of the pie. As is so typically the case with excessive progress markets, there are additionally opportunists keen to benefit from burgeoning shopper demand.

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Investigation: What number of free Android VPNs actually work?

Client VPNs serve a number of functions and are utilized by completely different individuals for various causes. They can circumvent geo-restricted content material and this has made them enormously widespread for accessing companies like Netflix, which restricts a lot of its content material based mostly on area.

Nonetheless, as their identify suggests, their core perform is to guard and keep the privateness of the person utilizing the service. A VPN supplier should have the ability to meet the technical challenges concerned with masking the id of its customers. From privacy-conscious residents at one of many spectrum to dissidents, journalists and whistleblowers on the different, individuals depend on VPNs to work. If it fails to satisfy fundamental technical necessities, the real-world penalties might be dire.

The prices concerned with constructing and sustaining high quality VPN infrastructure in addition to a software program shopper able to safeguarding customers are vital. As a way to present a sustainable, dependable and reliable service, these prices are nearly all the time handed on to customers within the type of subscriptions. There are a variety of reliable companies that do present free plans, however these are typically paired with a premium plan and restricted within the type of bandwidth or knowledge limits.

Regardless of the prices concerned with constructing a purposeful service, cellular marketplaces are suffering from VPN companies purporting to be ‘free’. In some instances, these apps are sometimes used as a automobile for authentic promoting. In additional sinister instances, they’re honetpots, designed to reap knowledge to be offered on to 3rd events.

What we needed to know was if these purposes labored at a technical degree, so we carried out essentially the most in depth audit of the Android VPN software market to this point.

The Google Play Retailer is the biggest cellular market of its variety with some 3.16 million apps obtainable to customers, practically double Apple’s App Retailer (1.79 million).

We recognized 4,970 VPN apps within the Google Play Retailer (included at backside of report); nevertheless, the Google Play Retailer solely pulls the highest 250 apps based mostly on any given question, so it was these apps that turned the main focus of the investigation.

Of these, 32 had been premium (paid) companies and had been subsequently discounted from analyses. An additional 14 had been discounted as they had been both not bona fide VPN companies or couldn’t be put in.

The remaining 204 VPNs had been then put in in sandbox environments and extensively examined for a spread of leaks utilizing each IPv4 and IPv6 connections.

Take a look at course of:

  1. Obtain and set up VPN to Android check system
  2. Hook up with Four completely different servers (or most obtainable if fewer than 4)
  3. Run ProPrivacy Leak Take a look at Software for IPv4, IPv6, DNS and WebRTC
  4. Affirm outcomes utilizing ipleak.internet
  5. Retest after 48 hours

The outcomes had been disturbing. 4 in each ten VPNs examined had a leak. In complete, we discovered 82 VPNs out of the 204 examined both didn’t present an IPv4 handle and will subsequently not be deemed purposeful or had been leaking knowledge by way of IPv6 and/or WebRTC.

Leaking VPN apps by variety of downloads

The rise of IPv6 and the impression on VPNs

The Web Protocol (IP) is the muse of the online. Each system is recognized via its personal IP handle to ensure that web communication to work.

The earlier model of the protocol, IPv4, used a 32-bit addressing scheme, able to supporting 4.Three billion gadgets. Nonetheless, it turned obvious greater than 20 years in the past that the web was destined to develop past this restrict and in 1998, the IETF created IPv6, which makes use of 128-bit addressing to help roughly 340 trillion trillion (or 2 to the 128th energy) gadgets. 

Many ISPs, web sites and companies nonetheless don’t help IPv6. Because of this many VPN service suppliers have uncared for to deal with how IPv6 connections must be dealt with. Nonetheless, IPv6 connectivity is on the rise. Knowledge supplied by Google means that between 25 and 30 % of all its site visitors is now IPv6.

ipv6 adoption googlejpg content image default - 40% of free Android VPN apps leak knowledge

Supply: Google

Excessive-quality VPN shoppers supply IPv6 leak safety. Usually, that is achieved by disabling IPv6 on the system degree to make sure IPv6 connections are merely not potential. A rising variety of high quality VPN suppliers now route IPv6 connections via the VPN interface. 

Nearly all (87 %) of the leaks had been associated to IPv6, suggesting that Android builders will not be mitigating towards the expansion of IPv6. 

An additional 9 VPNs displayed WebRTC leaks. These companies included two suppliers with over 5 million downloads every.

Based mostly on common international adoption figures of the IPv6 customary, mixed with the entire variety of month-to-month downloads, we estimate that as many as 39 million customers have doubtlessly leaked private data over IPv6.

final leakjpg content image default - 40% of free Android VPN apps leak knowledge

Builders releasing a number of variations of the identical VPN

One other disturbing pattern noticed throughout testing was clusters of VPNs. Builders are releasing a number of situations of the identical VPN below completely different names in an effort to seize as a lot site visitors as potential. The VPNs use the identical infrastructure, the identical IP swimming pools and the identical shopper however goal completely different search phrases inside the Play Retailer.

There have been additionally situations of a number of developer accounts utilizing the identical VPN infrastructure and shopper (app). In essentially the most excessive case, we recognized 141 VPNs, throughout three completely different developer accounts, all working on the identical flawed infrastructure. Collectively, these apps had some 100,000 downloads


Outcomes: Each leaking VPN on the Google Play Retailer

App identifyDeveloperDownloadsIPv4 errorIPv6 leakDNS leak?
Free VPN – A Safe,Limitless,Quick,Free VPN ProxyFree VPN & Free Proxy1m+NoSureNo
TapVPN Free VPNMobbo10m+NoSureNo
UAE FastVPN Free Limitless Secured Tremendous Quick VPNSuperApp Inc.1m+NoSureNo
Free VPN And Quick Join – Conceal your ipATH Software program500ok+NoSureNo
Vpn Free Unblocker limitlessRoyal Accomplice Firm1m+NoSureNo
Owl VPN Free – Web Freedom, Privateness & SecurityTheMainframe.Community100ok+NoSureNo
Proguard VPN, Free, Tremendous Pace, VPN ProxyInvisible Internet VPN100ok+NoSureNo
Cat VPN Free – Limitless VPN Proxy | Quick & SafeTheMainframe.Community100ok+NoSureNo
Gulf Safe VPNGulf Safe VPN1m+NoSureNo
Free VPN Proxy: Safe Defend & Quick HotspotMega Free Apps D500ok+NoSureNo
Free & Limitless VPN ProxyPrivatix Restricted100ok+NoSureNo
UK VPNTremendous Vpn100ok+NoSureNo
VPN Russia – get free Russian IPAltApps500ok+NoSureNo
Unblock Web sites — VPN Proxy AppVEEPN, Corp.1m+NoSureNo
Invisible NET Free VPN – Quick VPN proxyInvisible Internet VPN500ok+NoSureNo
USA VPN – Free VPN Proxy & Wi-Fi SafetyWorld Vpn1m+NoSureNo
FastVPN – Free Secured Limitless Quick Pace VPNSuperApp Inc.1m+NoSureNo
Free VPN Proxy – Limitless VPN, Safety Free VPNSEC VPN100ok+NoNoNo
Quick VPN – Tremendous Quick VPN Proxy UnblockerTremendous Quick Proxy VPN500ok+NoSureNo
Greatest VPN Proxy – Free VPN Limitless – VPN GraspActual Software Studio1m+NoSureNo
Pangolin VPN- Free VPN Proxy Limitless Hotspot vpnPace+ Lab100ok+NoNoNo
Star VPNStar VPN500ok+NoSureNo
Volt VPNVolt VPN500ok+NoNoNo
Limitless VPN – A Excessive Pace, Safe VPN!Quick VPN LLC1m+NoSureNo
Free VPN : Energy VPN – Limitless VPN HotspotPowerVPN – Free, Limitless & Safe VPN1m+NoSureNo
MaxVPN – Free Quick Join & Limitless VPN shopperLVVMobile1m+NoSureNo
VPN One Click onKryptotel fz llc5m+NoSureNo
Qatar VPNFree Worldwide VPN100ok+NoSureNo
VPN Non-publicMasters of VPN1m+NoSureNo
WORLD VPN – Free VPN proxy , Quick & Limitless VPNFree Vpn100ok+NoSureNo
Greatest Free VPN – Delta VPN | Limitless VPN HotspotIntello Apps100ok+NoSureNo
Quick VPN – Tremendous Quick VPN Proxy UnblockerTremendous Quick Proxy VPN500ok+NoSureNo
Safe Net VPNSafe Net1m+NoSureNo
OpenTun VPN – 100% Limitless Free Quick VPN ShopperArtwork Of Tunnel500ok+NoSureNo
Sensible VPN – Free VPN Proxy5Star Dev LTD500ok+NoSureNo
Try2Catch VPNMobiPlayLLC100ok+NoNoNo
DroidVPN – Simple Android VPNDroidVPN Inc.10m+NoSureNo
Bot Changer VPN – Free VPN Proxy & Wi-Fi SafetyBot Changer, Inc.1m+NoSureNo
VPN Tap2free – free VPN serviceAltApps100ok+NoSureNo
Every day VPNHyperlink Higher World1m+NoNoNo
VPN Limitless, Unblock Web sites And IP ChangerMachelle Russaw5m+NoSureNo
Free IP Changer VPN Android Limitless & QuickCyber VPN100ok+NoSureNo
Free Limitless VPN – USA, Canada, Europe, LatamVPN.lat100ok+NoSureNo
Free Limitless VPN – USA, Canada, Europe, LatamVPN.lat100ok+NoSureNo
Shot VPNGolden Dragon Ltd1m+NoSureNo
Ace VPNGolden Dragon Ltd500ok+NoSureNo
Armada VPNJoin Wherever500ok+NoSureNo
BBVPNBogdan Borkovych50ok+NoSureNo
BBVPNBogdan Borkovych50ok+NoSureNo
VPN 365 – Limitless Free VPN & Quick Safety VPNHigher Proxy5m+NoSureNo
Solo VPN – One Faucet Free ProxySoloVPN & NCleaner – Notification Cleaner10m+NoNoNo
Solo VPN – One Faucet Free ProxySoloVPN & NCleaner – Notification Cleaner10m+NoNoNo
Free VPN – Tremendous Unblock Proxy Grasp Hotspot VPNTremendous VPN & Free Proxy1m+NoSureNo
CandyLink VPN – free, no LTD50ok+NoSureNo
Goat VPN – Safe VPN & Tremendous Quick Free VPN ProxyGoat VPN1m+NoSureNo
VPN Ukraine – Get Ukrainian IP or unblock websitesAltApps100ok+NoSureNo
Greatest VPN Quick, Safe & Limitless VPN Proxyadvertising6610ok+NoSureNo
VPN : Shuttle VPN, Free VPN, Limitless Turbo VPNShuttle VPN100ok+NoSureNo
GE VPN: Greatest Free Safe Vpn ProxyGeorgianDev500ok+NoSureNo
CyberGuard VPN | Quick & Safe Free VPN – ProxyInternet Optimizer100ok+NoSureNo
FishVPN – Limitless Free VPN Proxy & Safety VPNJoin Wherever1m+NoNoNo
Kiwi VPN: Connection For IP Changer, Unblock WebsitesFruit VPN – Higher Join5m+NoNoNo
Free VPNmarks duan100ok+NoSureNo
USA VPN – Get free USA IPAltApps500ok+NoSureNo
Safe VPN Proxy – Hopper VPN HotspotHopper VPN Official50ok+NoSureNo
Free and Limitless VPN – Secure, Safe, Non-public!Gibli Cell1m+SureSureNo
Quick VPN – A Safe, Free , Limitless ProxyFree VPN & Free Proxy100ok+NoSureNo
Halley VPNGolden Dragon Ltd100ok+NoSureNo
VPN PotatoVPN – Free VPN WiFi ProxyFASTPOTATO PTE. LTD100ok+NoSureNo
VPN Malaysia – get free Malaysian IPAltApps10ok+NoSureNo
VPN France – get free French IPAltApps10ok+NoSureNo
VPN Israel – Get free Israeli IPAltApps10ok+NoSureNo
VPN Korea – free and quick Korean VPNAltApps100ok+NoSureNo
VPN Kazakhstan – get free Kazakhstan IPAltApps1k+NoSureNo
VPN China – get free Chinese language IPAltApps100ok+NoSureNo
VPN Australia – get free Australian IPAltApps100ok+NoSureNo
VPN India – get free Indian IPAltApps100ok+NoSureNo
VPN Canada – Get free Canadian IPAltApps50ok+NoSureNo
Flex VPN – Completely Free VPNAltApps10ok+NoSureNo

Defending privateness by empowering VPN customers 

leak testjpg content image default - 40% of free Android VPN apps leak knowledge

The issue with VPN leaks is that they aren’t obvious to the end-user. For all intents and functions, a VPN app can seem like 100% operational and the consumer is not going to remember that they’re leaking doubtlessly delicate knowledge.

For some customers, this can be an appropriate threat. For others, resembling these residing below authoritarian regimes, the impression of a non-functioning VPN might be profound.  

Our analysis means that some 39 million customers worldwide have been impacted by these leaks within the Android ecosystem alone.

There are methods of testing VPNs to make sure they’re correctly defending a consumer’s privateness, however with out enough data of the precise sorts of leaks and the way to interpret the information, it may be tough for the typical shopper to confirm the integrity of their chosen app.

To fight the rising variety of leaks we’re seeing, significantly in cellular marketplaces, ProPrivacy has launched the primary totally automated leak testing software.

The net app holds the consumer’s hand via every step of the testing course of and has fail-safes constructed within the reduce consumer error.

The outcomes are offered in an easy-to-understand report that provides the consumer recommendation ought to a leak be detected.

Our hope is that, by eradicating among the friction concerned with testing for leaks, customers will likely be empowered to demand extra from their VPN and, in flip, suppliers will likely be incentivized to create high quality merchandise that meet the fundamental necessities of their clients.  

You possibly can entry the ProPrivacy Leak Take a look at Software on any system or platform now.

Google Play Retailer Database (full model)

The Google Play Retailer solely returns a most of 250 outcomes. At ProPrivacy, we’re dedicated to the betterment of the privateness group via open knowledge. We now have included a searchable desk in addition to entry to the uncooked knowledge of every VPN software we had been capable of establish inside the Google Play Retailer.

You possibly can obtain this uncooked knowledge: right here. Please embrace a hyperlink again to this report.


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