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Cybersecurity · head to head

Arnica vs OneTrust

Arnica logo

Arnica

Cybersecurity

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

From
Free
Rated
-
Full reviewWebsite
OneTrust logo

OneTrust

Cybersecurity

Enterprise AI governance and data compliance platform.

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Arnica has a free tier, so it costs nothing to try first.
  • Each has a real cost: Arnica per-identity pricing ($25-$50/person/year) requires tracking active developers; OneTrust complex usage-based pricing model with multiple meters (admin users, inventory size, daily visitors, data subjects) making total cost unpredictable

Where they differ

Only the attributes on which Arnica and OneTrust actually diverge.

Attributes where Arnica and OneTrust differ
AttributeArnicaOneTrust
Starting priceFreeOn request
Pricing modelPer-identity subscription with annual discountusage-based
Free tierYesNo
PlatformsWeb, GitHub, IDEWeb, API, Cloud

Identical on both: 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 OneTrust

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 OneTrust
  • Finding hardcoded secrets before they reach productionnot OneTrust
  • Mapping container vulnerabilities back to source codenot OneTrust
  • Generating SBOM for supply chain compliance requirementsnot OneTrust
  • Scanning infrastructure-as-code for misconfiguration risksnot OneTrust

OneTrust

  • Fortune 500 enterprises managing multi-framework compliance (GDPR, SOC 2, EU AI Act, DORA, NIS2)not Arnica
  • Organisations implementing responsible AI governance and monitoring AI systemsnot Arnica
  • Companies with global data operations requiring consent and privacy automation at scalenot Arnica
  • Enterprises managing complex vendor ecosystems with third-party risk assessmentnot Arnica
  • Regulated industries (finance, healthcare, insurance) requiring continuous compliancenot 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

OneTrust

  • Complex usage-based pricing model with multiple meters (admin users, inventory size, daily visitors, data subjects) making total cost unpredictable
  • No published pricing examples or per-unit costs; all pricing requires custom quotes
  • Each solution area uses different pricing metrics, requiring complex calculations for multi-solution purchases
  • Enterprise-only positioning (Fortune 500 focus) suggests premium pricing, discouraging mid-market or startup adoption
  • Platform complexity and multiple solution areas may result in significant implementation and ongoing costs not disclosed upfront

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

OneTrust

On request
  • AI Governance$undefined/variable
    • Pricing by admin users and AI inventory size
    • AI compliance lifecycle management
    • Control enforcement and monitoring
  • Consent & Preferences$undefined/variable
    • CMP Base: priced by average daily visitors
    • CMP Suite: expanded privacy experiences
    • Universal Consent: metered by data subject profiles
  • Privacy Automation$undefined/variable
    • Priced by users and privacy asset inventory
    • Internal operations automation
    • Data subject request handling
  • Tech Risk & Compliance$undefined/variable
    • Governance and risk management across 50+ standards
    • Priced by admin users and asset inventory

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 OneTrust if

  • You work on Web, API, Cloud.
OneTrust review

Questions people ask

Is Arnica or OneTrust better?
Neither clearly leads. Arnica starts at Free and OneTrust at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arnica or OneTrust?
Arnica has a free tier; the other does not. Paid plans start at Free for Arnica and On request for OneTrust.
Does Arnica or OneTrust run on more platforms?
Arnica runs on Web, GitHub, IDE. OneTrust runs on Web, API, Cloud.
Can I use Arnica for free?
Yes. Arnica has a free tier, so you can try it without paying. OneTrust starts at On request.
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 OneTrust is typically brought in for.
What can Arnica do that OneTrust 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
OneTrust: How many case studies does OneTrust have?

OneTrust showcases 74+ customer case studies across multiple industries and regions, with examples from banking, insurance, hospitality and technology.

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
OneTrust: What compliance standards does OneTrust support?

OneTrust covers tech risk and compliance across 50+ standards including GDPR, SOC 2, EU AI Act, DORA and NIS2.

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
OneTrust: Does OneTrust automate data detection?

Yes. OneTrust automatically detects and classifies sensitive data across 200+ connectors, identifying where data lives and what regulatory requirements apply.

Source
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