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Acunetix vs Stytch

Acunetix logo

Acunetix

Software

Web application security testing made easy

From
On request
Rated
-
Full reviewWebsite
Stytch logo

Stytch

Software

Identity platform with passwordless auth, passkeys and bot detection.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Stytch has a free tier, so it costs nothing to try first.
  • Each has a real cost: Acunetix aWS Marketplace lists Acunetix Online Premium, published by seller Invicti Security, at $7,000 per year for 5 targets under a 12 month contract, where a target is one fully qualified domain, website, web app, API or web service; Stytch free tier limited to 10,000 monthly active users; scaling beyond this requires custom pricing negotiation

Where they differ

Only the attributes on which Acunetix and Stytch actually diverge.

Attributes where Acunetix and Stytch differ
AttributeAcunetixStytch
Starting priceOn requestFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsDesktop, Web, ApiWeb, API
Founded2005Unknown

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

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 Acunetix

  • DAST scanning
  • IAST technology
  • AcuSensor
  • JavaScript security
  • SQL injection testing
  • XSS detection
  • OWASP Top 10
  • API security testing

Only in Stytch

Nothing recorded that Acunetix does not also cover.

What people use each for

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

Acunetix

  • Vulnerability Scannernot Stytch
  • Web Securitynot Stytch
  • Dastnot Stytch

Stytch

  • Applications prioritising passwordless and passkey authenticationnot Acunetix
  • SaaS platforms requiring AI agent authentication and machine-to-machine flowsnot Acunetix
  • Companies with emerging identity needs such as bot detection and device intelligencenot Acunetix
  • Organisations building with Next.js and React requiring modern auth patternsnot Acunetix
  • Applications needing transparent pricing without surprise tiers or feature gatingnot Acunetix

Where each one falls short

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

Acunetix

  • AWS Marketplace lists Acunetix Online Premium, published by seller Invicti Security, at $7,000 per year for 5 targets under a 12 month contract, where a target is one fully qualified domain, website, web app, API or web service
  • AWS Marketplace's Invicti listing shows Premium Support priced separately at $150,000 per year and Premium Support with Guided Success at $300,000 per year, on top of the base scanning licence

Stytch

  • Free tier limited to 10,000 monthly active users; scaling beyond this requires custom pricing negotiation
  • Fraud prevention capabilities billed at $0.005 per fingerprint for usage exceeding 10,000 free checks
  • Additional SSO or SCIM connections beyond the 5 included in free tier cost $125 each
  • Brand customisation and email removal require one-time payment of $99
  • HIPAA and advanced fraud protection only available in Enterprise tier
  • No native UI builder; requires custom frontend development for fully-branded auth flows

Pricing, plan by plan

Acunetix

On request
  • StandardFree
    • Single user
    • 5 targets
    • Scheduled scans
  • PremiumFree
    • Multiple users
    • Unlimited targets
    • CI/CD integration
  • Acunetix 360Free
    • Enterprise features
    • SDLC integration
    • Custom workflows

Stytch

Free
  • FreeFree
    • 10,000 monthly active users and AI agents
    • Unlimited organisations
    • 5 SSO or SCIM connections
  • Scaled$null/variable
    • Usage-based pricing for users exceeding 10,000
    • All free tier features
    • Volume discounts available
  • Enterprise$null/variable
    • Custom pricing
    • Discounted volume rates
    • Enterprise support SLA

Which should you pick?

Choose Acunetix if

  • You need dast scanning.
  • You work on Desktop, Web, Api.
  • You also want iast technology.
Acunetix review

Choose Stytch if

  • You want to start without paying.
  • You work on Web, API.
Stytch review

Questions people ask

Is Acunetix or Stytch better?
Neither clearly leads. Acunetix starts at On request and Stytch at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Acunetix or Stytch?
Stytch has a free tier; the other does not. Paid plans start at On request for Acunetix and Free for Stytch.
Does Acunetix or Stytch run on more platforms?
Acunetix runs on Desktop, Web, Api. Stytch runs on Web, API.
Can I use Stytch for free?
Yes. Stytch has a free tier, so you can try it without paying. Acunetix starts at On request.
What is Acunetix best used for?
Acunetix is most often used for vulnerability scanner, web security, dast. Of those, vulnerability scanner and web security are not what Stytch is typically brought in for.
What can Acunetix do that Stytch cannot?
Acunetix covers DAST scanning, IAST technology, AcuSensor, JavaScript security.

Answered from the vendors’ own pages

Stytch: What is included in Stytch's free tier?

The free tier includes 10,000 monthly active users (human and AI agents), unlimited organisations, 5 SSO or SCIM connections, and 1,000 machine-to-machine tokens with full authentication features.

Source
Stytch: Does Stytch support AI agent authentication?

Yes. Stytch provides native AI agent authentication and authorisation, with support for the Model Context Protocol (MCP) for authenticating AI agents accessing external systems.

Source
Stytch: What fraud prevention features does Stytch offer?

Stytch includes bot detection with 99.99% accuracy, device fingerprinting, invisible CAPTCHA, and zero-day device intelligence built into all tiers.

Source
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