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Cybersecurity · head to head

Acunetix vs ProtonVPN

Acunetix logo

Acunetix

Cybersecurity

Web application security testing made easy

From
On request
Rated
-
Full reviewWebsite
ProtonVPN logo

ProtonVPN

Cybersecurity

High-speed Swiss VPN that safeguards your privacy

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only ProtonVPN has a free tier, so it costs nothing to try first.
  • Each has a real cost: Acunetix pricing available by quote only; no transparent pricing published online; ProtonVPN free plan limited to one device at a time
  • They diverge on capability: Acunetix covers DAST scanning, ProtonVPN covers No-logs policy.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Acunetix and ProtonVPN actually diverge.

Attributes where Acunetix and ProtonVPN differ
AttributeAcunetixProtonVPN
Starting priceOn requestFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsDesktop, Web, ApiWindows, macOS, Linux, iOS, Android
Founded20052014

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 Acunetix

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

Only in ProtonVPN

  • No-logs policy
  • Secure Core
  • Kill Switch
  • DNS leak protection
  • Tor over VPN
  • Split tunneling
  • NetShield ad-blocker
  • VPN Accelerator

What people use each for

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

Acunetix

  • Scanning web applications for security vulnerabilitiesnot ProtonVPN
  • Testing APIs for exploitable weaknesses and threatsnot ProtonVPN
  • Automating dynamic application security testing (DAST)not ProtonVPN
  • Finding and validating security issues in production environmentsnot ProtonVPN

ProtonVPN

  • Privacy-focused browsing without subscription costnot Acunetix
  • Multi-device protection with Plus plan supporting 10 devicesnot Acunetix
  • Integrated access to Proton email and cloud services via Unlimited plannot Acunetix

Where each one falls short

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

Acunetix

  • Pricing available by quote only; no transparent pricing published online
  • Requires per-application licenses for comprehensive coverage
  • Scanning speed and feature depth depend on subscription tier
  • Advanced features like API security testing may require higher-tier plans

ProtonVPN

  • Free plan limited to one device at a time
  • Free plan restricted to 10 countries with random selection
  • Pricing amounts not clearly published; shown as variable

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

ProtonVPN

Free

No published plan breakdown. See the ProtonVPN review.

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 ProtonVPN if

  • You need no-logs policy.
  • You want to start without paying.
  • You work on Windows, macOS, Linux, iOS, Android.
  • You also want secure core.
ProtonVPN review

Questions people ask

Is Acunetix or ProtonVPN better?
Neither clearly leads. Acunetix starts at On request and ProtonVPN at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Acunetix or ProtonVPN?
ProtonVPN has a free tier; the other does not. Paid plans start at On request for Acunetix and Free for ProtonVPN.
Does Acunetix or ProtonVPN run on more platforms?
Acunetix runs on Desktop, Web, Api. ProtonVPN runs on Windows, macOS, Linux, iOS, Android.
Can I use ProtonVPN for free?
Yes. ProtonVPN 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 scanning web applications for security vulnerabilities, testing apis for exploitable weaknesses and threats, automating dynamic application security testing (dast), finding and validating security issues in production environments. Of those, scanning web applications for security vulnerabilities and testing apis for exploitable weaknesses and threats are not what ProtonVPN is typically brought in for.
What can Acunetix do that ProtonVPN cannot?
Acunetix covers DAST scanning, IAST technology, AcuSensor, JavaScript security. ProtonVPN covers No-logs policy, Secure Core, Kill Switch, DNS leak protection.

Answered from the vendors’ own pages

Acunetix: How much does Invicti (formerly Acunetix) cost?

Invicti pricing is available by quote based on your organization's needs, application count, and required features. The platform offers 8x faster scanning compared to competitors and detects 99.98% of exploitable vulnerabilities. Contact Invicti sales for a custom pricing proposal.

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