Developer Tools · head to head
ESLint vs Yoti
Yoti
Cybersecurity
Reusable digital identity, facial age estimation and identity verification
- From
- On request
- Free plan
- No
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; Yoti age estimation returns a probabilistic range rather than a verified date of birth, so it only works with a safety buffer above the legal threshold and cannot prove an exact age.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which ESLint and Yoti actually diverge.
Identical on both: 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 Yoti does not also cover.
Only in Yoti
- Facial age estimation
- Reusable digital ID
- Identity verification
- UK right to work and rent
- Digital ID for retail
- Selective disclosure
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 Yoti
- Automatically fixing issues with syntax-aware rewritesnot Yoti
- Enforcing a consistent code style across a teamnot Yoti
- Running as a CI step to block non-conforming codenot Yoti
- Writing custom rules for project-specific conventionsnot Yoti
Yoti
- A social platform meeting UK Online Safety Act age assurance duties without collecting identity documents from teenagersnot ESLint
- A supermarket removing staff interventions at self-checkout for age-restricted purchasesnot ESLint
- A UK employer running digital right-to-work checks under the certified trust framework rather than inspecting passportsnot ESLint
- A gambling operator needing an age gate with high completion rates before the account funding stepnot 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
Yoti
- Age estimation returns a probabilistic range rather than a verified date of birth, so it only works with a safety buffer above the legal threshold and cannot prove an exact age.
- Estimation accuracy varies by demographic and reported error margins widen at the age bands that matter most for eighteen-year thresholds, which pushes borderline users into a document fallback you still have to pay for.
- Pricing is not published, so buyers cannot compare the cost of an estimation check against a document check without going through sales.
- Regulatory acceptance of facial estimation differs by jurisdiction, so a method that satisfies Ofcom may not satisfy a regulator elsewhere and multi-market platforms need more than one approach.
- The reusable digital identity app depends on consumer adoption, which is meaningful in the UK and thin elsewhere, limiting the reusability benefit outside its home market.
Pricing, plan by plan
ESLint
FreeNo published plan breakdown. See the ESLint review.
Yoti
On request- Yoti Age and Identity Services$undefined/year
- Per-check pricing quoted by volume and method
- Age estimation, document verification and digital ID priced differently
- Right to work and right to rent checks quoted separately
Which should you pick?
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Choose Yoti if
- You need facial age estimation.
- You work on Web, iOS, Android, API.
- You also want reusable digital id.
Questions people ask
- Is ESLint or Yoti better?
- Neither clearly leads. ESLint starts at Free and Yoti at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ESLint or Yoti?
- ESLint has a free tier; the other does not. Paid plans start at Free for ESLint and On request for Yoti.
- Does ESLint or Yoti run on more platforms?
- ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. Yoti runs on Web, iOS, Android, API.
- Can I use ESLint for free?
- Yes. ESLint has a free tier, so you can try it without paying. Yoti starts at On request.
- 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 Yoti is typically brought in for.
- What can ESLint do that Yoti cannot?
- Yoti covers Facial age estimation, Reusable digital ID, Identity verification, UK right to work and rent.
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.
SourceYoti: Does age estimation store my face?
The image is used to produce an estimate and then deleted rather than retained, which is the specific property that makes it usable for age assurance on minors.
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.
SourceYoti: Is it accepted for UK Online Safety Act compliance?
Facial age estimation is one of the methods regulators have accepted as highly effective age assurance. Confirm the current position with your own counsel for your content category.
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.
SourceYoti: Can it prove someone is exactly 21?
No. It gives a range. If you need a precise age you need a document or database check, which Yoti also sells.
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- Yoti vs Sumsub
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- Yoti vs VIVOTEK VAST Security Station
- Yoti vs Windscribe
- Yoti vs authentik
- Yoti vs Avast One
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