Is Arnica or Prettier better?

Neither clearly leads. Arnica starts at Free and Prettier at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Arnica or Prettier?

Arnica starts at Free and Prettier at Free.

Does Arnica or Prettier run on more platforms?

Arnica runs on Web, GitHub, IDE. Prettier runs on CLI, Editor Plugins, Build Tools.

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 Prettier is typically brought in for.

What can Arnica do that Prettier cannot?

Arnica covers AI SAST, Software Composition Analysis, Secrets detection, IaC scanning.

Cybersecurity · head to head

Arnica vs Prettier

Arnica

Cybersecurity

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

From: Free
Free plan: Yes

Full review Website

Prettier

Developer Tools

Opinionated code formatter

From: Free
Free plan: Yes

Full review Website

The short version

Each has a real cost: Arnica per-identity pricing ($25-$50/person/year) requires tracking active developers; Prettier inflexible style rules that cannot be customized significantly, forcing teams to accept opinionated defaults
Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Arnica and Prettier actually diverge.

Attributes where Arnica and Prettier differ
Attribute	Arnica	Prettier
Pricing model	Per-identity subscription with annual discount	free
Platforms	Web, GitHub, IDE	CLI, Editor Plugins, Build Tools
Category	Cybersecurity	Developer Tools
Founded	Unknown	2016

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

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

Only in Prettier

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

Prettier

Automatically formatting TypeScript files to project style standardsnot Arnica
Enforcing consistent HTML indentation across component filesnot Arnica
Removing style-related comments from pull request reviewsnot Arnica
Formatting GraphQL queries with consistent indentationnot 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

Prettier

Inflexible style rules that cannot be customized significantly, forcing teams to accept opinionated defaults
Developers must format entire files rather than selective line ranges in some contexts
Limited language support compared to some alternatives, though it covers major languages

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

Prettier

Free

No published plan breakdown. See the Prettier review.

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 Prettier if

You want to start without paying.
You work on CLI, Editor Plugins, Build Tools.

Prettier review

Questions people ask

Is Arnica or Prettier better?: Neither clearly leads. Arnica starts at Free and Prettier at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arnica or Prettier?: Arnica starts at Free and Prettier at Free.
Does Arnica or Prettier run on more platforms?: Arnica runs on Web, GitHub, IDE. Prettier runs on CLI, Editor Plugins, Build Tools.
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 Prettier is typically brought in for.
What can Arnica do that Prettier 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

Prettier: Is Prettier free and open source?

Yes, Prettier is completely free and open source, available as an npm package with no licensing costs or subscriptions.

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

Prettier: Can Prettier be integrated with ESLint?

Yes, Prettier integrates with ESLint by disabling ESLint formatting rules via eslint-config-prettier, allowing both tools to work together with Prettier handling formatting and ESLint handling code quality.

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

Prettier: Does Prettier support configuration customization?

Prettier is intentionally opinionated with limited configuration options to enforce consistency. You can create a .prettierrc file for basic customization, but Prettier does not support extensive rule customization like ESLint.

Source

Arnica vs Prettier

Arnica

Prettier

The short version

Where they differ

What each one covers

Only in Arnica

Only in Prettier

What people use each for

Arnica

Prettier

Where each one falls short

Arnica

Prettier

Pricing, plan by plan

Arnica

Prettier

Which should you pick?

Choose Arnica if

Choose Prettier if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Arnica

More on Prettier

Keep looking

Other head to heads