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Cybersecurity · head to head

Surfshark vs ThetaRay

Surfshark logo

Surfshark

Cybersecurity

Secure your digital life

From
$1.78/month
Rated
-
Full reviewWebsite
ThetaRay logo

ThetaRay

Cybersecurity

Unsupervised AI transaction monitoring for cross-border and correspondent banking

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Surfshark smaller server network (4,500+ servers) compared to larger competitors like NordVPN; ThetaRay unsupervised models are harder to justify to an examiner than explicit rules, and some regulators still expect documented threshold logic, which can force you to run both systems.
  • They diverge on capability: Surfshark covers Unlimited devices, ThetaRay covers Unsupervised detection.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Surfshark and ThetaRay actually diverge.

Attributes where Surfshark and ThetaRay differ
AttributeSurfsharkThetaRay
Starting price$1.78/monthOn request
Pricing modelUnknownquote
PlatformsWindows, macOS, iOS, Android, LinuxWeb
Founded2018Unknown

Identical on both: free tier (No), user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Surfshark

  • Unlimited devices
  • CleanWeb ad blocker
  • MultiHop
  • Camouflage Mode
  • NoBorders mode
  • Kill Switch
  • Bypasser split tunneling
  • Rotating IP

Only in ThetaRay

  • Unsupervised detection
  • Cross-border focus
  • Sanctions screening
  • Alert triage
  • Customer risk scoring
  • Cloud native

What people use each for

The jobs each tool is most often brought in to do.

Surfshark

  • Vpnnot ThetaRay
  • Privacynot ThetaRay
  • Security Suitenot ThetaRay

ThetaRay

  • A correspondent bank that cannot see the ultimate originator and needs behavioural signals rather than counterparty listsnot Surfshark
  • A cross-border payments fintech whose rules engine produces more alerts than its compliance team can clearnot Surfshark
  • A bank under a regulatory consent order needing demonstrable improvement in detection within a fixed periodnot Surfshark
  • A payment institution entering a high-risk corridor where existing thresholds were calibrated on domestic trafficnot Surfshark

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Surfshark

  • Smaller server network (4,500+ servers) compared to larger competitors like NordVPN
  • Lower brand recognition compared to established VPN providers
  • Limited customer service availability in some time zones

ThetaRay

  • Unsupervised models are harder to justify to an examiner than explicit rules, and some regulators still expect documented threshold logic, which can force you to run both systems.
  • The alert reduction claim depends heavily on your data, so a parallel run is essential and adds months and cost before you can decommission the incumbent.
  • Coverage is strongest in cross-border and correspondent flows; institutions whose risk is domestic retail fraud will find the fit weaker than a general-purpose monitoring platform.
  • It is a smaller vendor than the incumbents, so integration connectors into legacy core banking systems are often bespoke work rather than a supported adapter.
  • Model retraining and tuning are vendor-led, which means changing detection behaviour is a support conversation rather than something your own analysts can do that afternoon.

Pricing, plan by plan

Surfshark

$1.78/month
  • Starter$1.78/month
    • Unlimited simultaneous connections
    • 4,500+ servers
    • Basic VPN
  • One$3.59/month
    • VPN
    • Antivirus
    • Personal data leak alert
  • One+$4/month
    • All One features
    • Incogi included

ThetaRay

On request
  • ThetaRay Sonar$undefined/year
    • Priced by monitored transaction volume and number of monitored entities
    • SaaS on Azure with regional data residency options
    • Parallel run and model tuning included in onboarding

Which should you pick?

Choose Surfshark if

  • You need unlimited devices.
  • You work on Windows, macOS, iOS, Android, Linux.
  • You also want cleanweb ad blocker.
Surfshark review

Choose ThetaRay if

  • You need unsupervised detection.
  • You also want cross-border focus.
ThetaRay review

Questions people ask

Is Surfshark or ThetaRay better?
Neither clearly leads. Surfshark starts at $1.78/month and ThetaRay at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Surfshark or ThetaRay?
Surfshark starts at $1.78/month and ThetaRay at On request.
Does Surfshark or ThetaRay run on more platforms?
Surfshark runs on Windows, macOS, iOS, Android, Linux. ThetaRay runs on Web.
What is Surfshark best used for?
Surfshark is most often used for vpn, privacy, security suite. Of those, vpn and privacy are not what ThetaRay is typically brought in for.
What can Surfshark do that ThetaRay cannot?
Surfshark covers Unlimited devices, CleanWeb ad blocker, MultiHop, Camouflage Mode. ThetaRay covers Unsupervised detection, Cross-border focus, Sanctions screening, Alert triage.

Answered from the vendors’ own pages

Surfshark: Does Surfshark maintain a no-logs policy?

Yes. Surfshark does not log browsing history, visited IP addresses, bandwidth usage, or network traffic. This policy was independently verified by Deloitte in 2025.

Source
ThetaRay: Does it replace a rules engine entirely?

Rarely on day one. Most institutions run it alongside existing rules during a parallel period, and some keep specific regulator-mandated rules permanently.

Surfshark: How many simultaneous device connections does Surfshark allow?

Surfshark allows unlimited simultaneous connections on all subscription plans, enabling protection of every device in a household with a single subscription.

Source
ThetaRay: Where is the data processed?

SaaS runs on Microsoft Azure with regional deployment options, which is the mechanism for meeting data residency conditions in regulated markets.

ThetaRay: Is sanctions screening included?

Screening is available on the same platform but licensed as part of the commercial package rather than bundled by default. Confirm it is in your quote.

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