Side-by-side buying guide
Compare Surfshark's unlimited paid connections with Proton VPN's free plan and 10-device paid limit, plus bundles, renewal, refunds and buyer fit.
Choose Surfshark when one paid account must cover more than 10 simultaneous devices. Choose Proton VPN when you want to start with a no-data-limit free plan or prefer its broader Proton ecosystem and can stay within the paid plan's 10-device limit.
Surfshark's current official features page states that a paid subscription supports unlimited simultaneous connections.
Check first: Paid plans auto-renew. Its 30-day guarantee generally covers the initial purchase, with exclusions and reseller-specific rules in the terms.Proton Free currently lists no data limit for one simultaneous device; Proton VPN Plus lists up to 10 simultaneous devices and adds paid features.
Check first: The free plan randomly selects among listed countries, while premium ecosystem features depend on whether you choose VPN Plus or Proton Unlimited.Sponsored affiliate links · The decision guidance is independent of commission rate
Quick verdict
Choose Surfshark when unlimited simultaneous connections solve a real household or small-team limit. Choose Proton VPN when its no-data-limit free plan is the better starting point, or when the paid Proton ecosystem fits and 10 simultaneous devices are enough. Neither official feature set establishes a universal speed, access or privacy winner.
Best fitPeople who want a managed VPN application instead of a self-managed server
Check firstYou need root access or control of a server
Best fitBuyers who value a Switzerland-based privacy ecosystem
Check firstYou require unlimited simultaneous connections
Sponsored affiliate links · The verdict is independent of commission rate
Surfshark and Proton VPN are managed VPN services, so neither requires server administration. The clearer differences are device policy, operating-company region, included ecosystem and the complete subscription terms.
This is an official-source product comparison, not a hands-on speed or access ranking. Network behavior varies by device, server, local connection and destination.
SurfsharkUnlimited on a paid Surfshark subscription.
Proton VPNOne on Proton Free; up to 10 on Proton VPN paid plans.
What it meansSurfshark has the clearer fit above 10 concurrent devices; Proton can cover smaller households.
SurfsharkPaid subscription across the Starter, One and One+ bundles.
Proton VPNOngoing free plan with no data limit, subject to free-tier device, country and feature limits.
What it meansProton provides the lower-commitment way to evaluate basic compatibility before paying.
SurfsharkStarter, One and One+ combine the VPN with different privacy and security tools.
Proton VPNVPN Plus focuses on premium VPN features; Proton Unlimited adds paid Mail, Pass, Drive and Calendar features.
What it meansCompare the exact bundle rather than treating either brand as one uniform subscription.
SurfsharkAuto-renewal can be turned off; the 30-day guarantee is generally limited to the initial purchase and has stated exclusions.
Proton VPNCancellation disables future renewal; paid subscriptions may qualify for the 30-day guarantee, with payment-channel conditions.
What it meansFor either service, confirm the seller, payment method, renewal amount and refund eligibility before checkout.
Official-source facts verified August 22, 2026. Live price, stock, configuration and terms can change before checkout.
The current official features page states unlimited simultaneous connections.
Current official site information identifies Surfshark B.V. in the Netherlands.
Surfshark's current terms state that paid services renew at the end of the service period unless automatic payments are canceled.
The current terms limit the guarantee to the initial purchase and list reseller, payment-method and product exclusions.
The official multi-platform page states that paid users can connect up to 10 devices at once.
Proton's current plan guide lists one simultaneous device and unlimited data for Proton Free, with a randomly selected free country.
Review the current legal and privacy terms against your own jurisdiction requirements.
Proton's current cancellation guide states that the paid plan remains usable through the billing cycle after cancellation and may qualify for a refund within 30 days.
Time-sensitive facts verified August 22, 2026. Recheck the live plan before paying.
A managed VPN and privacy-tool suite for people who want apps instead of maintaining their own server.
A Switzerland-operated VPN within Proton's wider privacy-product ecosystem.
SmarterBuyLab has not run hands-on access, speed, latency, privacy, compatibility or reliability testing for this comparison. We do not declare a universal winner from provider marketing.
Surfshark currently states unlimited simultaneous connections, while Proton VPN states up to 10 devices at once for its paid service.
This research does not declare a universal speed winner. Results depend on the selected server, protocol, device, local network, route and test date.
Surfshark operates from the Netherlands and Proton VPN from Switzerland. Jurisdiction is one factor; current privacy terms, technical design and your threat model also matter.
Proton currently offers a no-data-limit Free plan for one simultaneous device, with free-tier country and feature limits. Surfshark is primarily a paid service, although an eligible mobile-store trial may be available.
The current terms describe renewal for paid subscriptions. Cancellation stops future renewal, but refund eligibility depends on the initial purchase date, seller, payment method and each provider's exclusions.
