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Developer Tools · head to head

ESLint vs Surfshark

ESLint logo

ESLint

Developer Tools

Find and fix problems in JavaScript code

From
Free
Free plan
Yes
Full reviewWebsite
Surfshark logo

Surfshark

Cybersecurity

Secure your digital life

From
$1.78/month
Free plan
No
Full reviewWebsite

The short version

  • Only ESLint has a free tier, so it costs nothing to try first.
  • Each has a real cost: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; Surfshark smaller server network (4,500+ servers) compared to larger competitors like NordVPN
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ESLint and Surfshark actually diverge.

Attributes where ESLint and Surfshark differ
AttributeESLintSurfshark
Starting priceFree$1.78/month
Free tierYesNo
PlatformsBrowser-based JavaScript, Node.js, Any JavaScript environmentWindows, macOS, iOS, Android, Linux
CategoryDeveloper ToolsCybersecurity
Founded20192018

Identical on both: pricing model (Unknown), user rating (Not yet rated).

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 ESLint

Nothing recorded that Surfshark does not also cover.

Only in Surfshark

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

What people use each for

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

ESLint

  • Statically analysing JavaScript and JSX to find problems before runtimenot Surfshark
  • Automatically fixing issues with syntax-aware rewritesnot Surfshark
  • Enforcing a consistent code style across a teamnot Surfshark
  • Running as a CI step to block non-conforming codenot Surfshark
  • Writing custom rules for project-specific conventionsnot Surfshark

Surfshark

  • Vpnnot ESLint
  • Privacynot ESLint
  • Security Suitenot ESLint

Where each one falls short

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

ESLint

  • Slow performance on large codebases compared to newer tools like Oxlint and Biome
  • Complexity in configuration from scratch, particularly for TypeScript support
  • Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features

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

Pricing, plan by plan

ESLint

Free

No published plan breakdown. See the ESLint review.

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

Which should you pick?

Choose ESLint if

  • You want to start without paying.
  • You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
ESLint review

Choose Surfshark if

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

Questions people ask

Is ESLint or Surfshark better?
Neither clearly leads. ESLint starts at Free and Surfshark at $1.78/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ESLint or Surfshark?
ESLint has a free tier; the other does not. Paid plans start at Free for ESLint and $1.78/month for Surfshark.
Does ESLint or Surfshark run on more platforms?
ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. Surfshark runs on Windows, macOS, iOS, Android, Linux.
Can I use ESLint for free?
Yes. ESLint has a free tier, so you can try it without paying. Surfshark starts at $1.78/month.
What is ESLint best used for?
ESLint is most often used for statically analysing javascript and jsx to find problems before runtime, automatically fixing issues with syntax-aware rewrites, enforcing a consistent code style across a team, running as a ci step to block non-conforming code. Of those, statically analysing javascript and jsx to find problems before runtime and automatically fixing issues with syntax-aware rewrites are not what Surfshark is typically brought in for.
What can ESLint do that Surfshark cannot?
Surfshark covers Unlimited devices, CleanWeb ad blocker, MultiHop, Camouflage Mode.

Answered from the vendors’ own pages

ESLint: Does ESLint automatically fix code issues?

Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.

Source
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
ESLint: How much does ESLint cost?

ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.

Source
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
ESLint: Can I write custom ESLint rules?

Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.

Source
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