Is Arnica or Deno better?

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

Which is cheaper, Arnica or Deno?

Arnica starts at Free and Deno at Free.

Does Arnica or Deno run on more platforms?

Arnica runs on Web, GitHub, IDE. Deno runs on Web.

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 Deno is typically brought in for.

What can Arnica do that Deno cannot?

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

Cybersecurity · head to head

Arnica vs Deno

Arnica

Cybersecurity

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

From: Free
Free plan: Yes

Full review Website

Deno

Developer Tools

A fast, open-source, fully Node-compatible JS runtime with TypeScript baked right in

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; Deno egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications
Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Arnica and Deno actually diverge.

Attributes where Arnica and Deno differ
Attribute	Arnica	Deno
Pricing model	Per-identity subscription with annual discount	freemium
Platforms	Web, GitHub, IDE	Web
Category	Cybersecurity	Developer Tools

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 Deno

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

Deno

Running TypeScript natively without transpilation overheadnot Arnica
Migrating Node.js applications to secure-by-default runtimenot Arnica
Deploying edge functions and serverless containers seamlesslynot Arnica
Consolidating developer tools into single binarynot 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

Deno

Egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications
CPU time overage is $0.10/hour on Pro and Builder tiers, adding to costs for compute-intensive workloads
Enterprise pricing is not disclosed; requires sales contact

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

Deno

Free

FreeFree
- 1 million requests/month
- 20GB egress bandwidth
- 10 apps
Pro$20/month
- 5 million requests/month
- 200GB egress
- 50 apps
Builder$200/month
- 25 million requests/month
- 2,000GB egress
- 10,000 apps
Enterprise$null/month
- Custom limits on all metrics
- 99.95% reliability SLA
- Email support with 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 Deno if

You want to start without paying.

Deno review

Questions people ask

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

Deno: How much does Deno Deploy cost?

Deno Deploy offers a free tier at $0/month, Pro at $20/month, and Builder at $200/month. Enterprise has custom pricing. All plans include base request and bandwidth limits, with overage charges for additional usage.

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

Deno: What are Deno Deploy's overage charges?

Egress bandwidth overages cost $0.20 per GB. CPU time overages are $0.10 per hour on Pro and Builder tiers. Memory time and KV database operations also incur charges beyond included limits.

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

Deno: How many apps can I deploy on Deno's free plan?

The free tier includes 10 apps with up to 1 concurrent build. Pro tier supports 50 apps with 3 concurrent builds, and Builder supports 10,000 apps with 20 concurrent builds.

Source

Deno: How many team members can access Deno Deploy?

The free tier supports up to 3 team members. Pro supports 10 team members. Builder supports 25 team members. Enterprise has custom seat limits.

Source

Arnica vs Deno

Arnica

Deno

The short version

Where they differ

What each one covers

Only in Arnica

Only in Deno

What people use each for

Arnica

Deno

Where each one falls short

Arnica

Deno

Pricing, plan by plan

Arnica

Deno

Which should you pick?

Choose Arnica if

Choose Deno if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Arnica

More on Deno

Keep looking

Other head to heads