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Cybersecurity · head to head

Arnica vs Stytch

Arnica logo

Arnica

Cybersecurity

AI-native application security platform detecting and fixing vulnerabilities across the SDLC

From
Free
Rated
-
Full reviewWebsite
Stytch logo

Stytch

Cybersecurity

Identity platform with passwordless auth, passkeys and bot detection.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Arnica per-identity pricing ($25-$50/person/year) requires tracking active developers; Stytch free tier limited to 10,000 monthly active users; scaling beyond this requires custom pricing negotiation
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Arnica and Stytch actually diverge.

Attributes where Arnica and Stytch differ
AttributeArnicaStytch
Pricing modelPer-identity subscription with annual discountfreemium
PlatformsWeb, GitHub, IDEWeb, API

Identical on both: starting price (Free), free tier (Yes), 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 Arnica

  • AI SAST
  • Software Composition Analysis
  • Secrets detection
  • IaC scanning
  • Container scanning
  • SBOM generation
  • Agentic rules
  • Pipelineless integration

Only in Stytch

Nothing recorded that Arnica does not also cover.

What people use each for

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

Arnica

  • Detecting AI-generated vulnerabilities in Copilot and Cursor suggestionsnot Stytch
  • Finding hardcoded secrets before they reach productionnot Stytch
  • Mapping container vulnerabilities back to source codenot Stytch
  • Generating SBOM for supply chain compliance requirementsnot Stytch
  • Scanning infrastructure-as-code for misconfiguration risksnot Stytch

Stytch

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

Where each one falls short

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

Arnica

  • Per-identity pricing ($25-$50/person/year) requires tracking active developers
  • Overage identity tracking via 90-day PR activity can be unpredictable
  • Free plan limited to weekly updates, requiring upgrade for real-time scanning
  • Advanced add-ons (Image Scanning, AI SAST, Agentic Rules Enforcer) pricing not published
  • On-premises deployment limited to Enterprise tier

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

Arnica

Free
  • FreeFree
    • No credit card required
    • 14-day trial available
    • Weekly risk identification updates
  • Core Business$360/year
    • Monthly billing option at $30/identity/month
    • Annual billing at $25/identity/month (17% discount)
    • Real-time risk scanning and notifications
  • Core Enterprise$720/year
    • Monthly billing option at $60/identity/month
    • Annual billing at $50/identity/month (17% discount)
    • All Core Business features

Stytch

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

Which should you pick?

Choose Arnica if

  • You need ai sast.
  • You want to start without paying.
  • You work on Web, GitHub, IDE.
  • You also want software composition analysis.
Arnica review

Choose Stytch if

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

Questions people ask

Is Arnica or Stytch better?
Neither clearly leads. Arnica starts at Free and Stytch at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arnica or Stytch?
Arnica starts at Free and Stytch at Free.
Does Arnica or Stytch run on more platforms?
Arnica runs on Web, GitHub, IDE. Stytch runs on Web, API.
Can I use Arnica for free?
Both have a free tier, so you can try either at no cost before committing.
What is Arnica best used for?
Arnica is most often used for detecting ai-generated vulnerabilities in copilot and cursor suggestions, finding hardcoded secrets before they reach production, mapping container vulnerabilities back to source code, generating sbom for supply chain compliance requirements. Of those, detecting ai-generated vulnerabilities in copilot and cursor suggestions and finding hardcoded secrets before they reach production are not what Stytch is typically brought in for.
What can Arnica do that Stytch cannot?
Arnica covers AI SAST, Software Composition Analysis, Secrets detection, IaC scanning.

Answered from the vendors’ own pages

Arnica: How are identities defined in Arnica pricing?

Identities are any users and other contributing entities that contributed code and/or had PR activity during the last 90 days. This ensures billing matches active developers.

Source
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
Arnica: What is the annual discount?

Annual prepayment offers approximately 17% savings versus monthly billing. Core Business annual is $300/identity versus $360 for monthly.

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
Arnica: Can I cancel or downgrade Arnica anytime?

Yes. Subscriptions can be cancelled or downgraded at any time. Overage identities receive automatic protection with true-up invoicing.

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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