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Cybersecurity · head to head

Avast One vs Clerk

Avast One logo

Avast One

Cybersecurity

All-in-one protection for your digital life

From
Free
Rated
-
Full reviewWebsite
Clerk logo

Clerk

Cybersecurity

Drop-in user authentication and management for developers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Avast One ransomware and Wi-Fi vulnerability protection only on paid plans; Clerk pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.
  • They diverge on capability: Avast One covers Antivirus, Clerk covers Prebuilt UI components.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Avast One and Clerk actually diverge.

Attributes where Avast One and Clerk differ
AttributeAvast OneClerk
Pricing modelUnknownfreemium
PlatformsWindows, macOS, iOS, Androidweb, ios, android, api
Founded1988Unknown

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 Avast One

  • Antivirus
  • Firewall
  • VPN
  • Data breach monitoring
  • Email Guardian
  • Webcam Shield
  • Ransomware Shield
  • Performance optimization

Only in Clerk

  • Prebuilt UI components
  • Organization management
  • Multi-factor authentication
  • Social sign-on
  • Billing
  • Enterprise connections

What people use each for

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

Avast One

  • Antivirusnot Clerk
  • Internet Securitynot Clerk
  • Privacy Toolsnot Clerk

Clerk

  • Adding sign-in and user profiles to a web or mobile app quicklynot Avast One
  • B2B SaaS apps needing organizations and role-based accessnot Avast One
  • Startups wanting prebuilt UI instead of building auth in-housenot Avast One
  • Apps needing MFA and fraud detection out of the boxnot Avast One

Where each one falls short

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

Avast One

  • Ransomware and Wi-Fi vulnerability protection only on paid plans
  • Free plan VPN is limited, no data breakthrough monitoring
  • Rebuilt app in May 2026 may have stability issues

Clerk

  • Pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.
  • Enterprise SSO connections beyond the first are billed as add-ons, adding cost for larger organizations.
  • The Business tier's extra dashboard seats cost $20/month each, which adds up for larger teams.
  • Enterprise-tier features like the 99.99% uptime SLA require annual contracts rather than flexible monthly billing.

Pricing, plan by plan

Avast One

Free
  • FreeFree
    • Antivirus
    • Limited VPN
    • Privacy tools
  • Silver$2.99/month
    • Enhanced antivirus
    • VPN
    • Device cleanup
  • Premium$4.19/month
    • Full antivirus
    • VPN with 55 servers
    • Password manager
  • Premium Plus$11.67/month
    • All Premium features
    • 30 devices covered

Clerk

Free
  • HobbyFree
    • 50,000 MRU limit per app
    • Up to 3 dashboard seats
    • Unlimited applications
  • Pro$25/month
    • 50,000 MRUs included, $0.02/MRU overage
    • Up to 3 dashboard seats
    • 1 Enterprise Connection included
  • Business$300/month
    • 50,000 MRUs included with volume pricing
    • 10 dashboard seats included
    • SOC2 report and priority support
  • Enterprise$undefined/month
    • Custom pricing, annual billing
    • 99.99% uptime SLA
    • HIPAA available, dedicated Slack channel

Which should you pick?

Choose Avast One if

  • You need antivirus.
  • You want to start without paying.
  • You work on Windows, macOS, iOS, Android.
  • You also want firewall.
Avast One review

Choose Clerk if

  • You need prebuilt ui components.
  • You want to start without paying.
  • You work on web, ios, android, api.
  • You also want organization management.
Clerk review

Questions people ask

Is Avast One or Clerk better?
Neither clearly leads. Avast One starts at Free and Clerk at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Avast One or Clerk?
Avast One starts at Free and Clerk at Free.
Does Avast One or Clerk run on more platforms?
Avast One runs on Windows, macOS, iOS, Android. Clerk runs on web, ios, android, api.
Can I use Avast One for free?
Both have a free tier, so you can try either at no cost before committing.
What is Avast One best used for?
Avast One is most often used for antivirus, internet security, privacy tools. Of those, antivirus and internet security are not what Clerk is typically brought in for.
What can Avast One do that Clerk cannot?
Avast One covers Antivirus, Firewall, VPN, Data breach monitoring. Clerk covers Prebuilt UI components, Organization management, Multi-factor authentication, Social sign-on.

Answered from the vendors’ own pages

Avast One: Is Avast One free?

Yes. Avast One offers a free tier with antivirus, VPN (limited), and privacy tools. Paid plans start at $2.99/month for Silver and $4.19/month for Premium covering up to 5 devices.

Source
Clerk: What does Clerk cost?

Clerk's Hobby plan is free with a 50,000 MRU limit; Pro is $25/month ($20/month billed annually), Business is $300/month ($250 annually), and Enterprise uses custom annual pricing.

Source
Avast One: What does Avast One include?

Avast One provides antivirus, VPN, password manager, device cleanup, Wi-Fi security, data breach monitoring, and protection against AI-generated scams and deepfakes.

Source
Clerk: Is there a free plan and what are its limits?

Yes, the Hobby plan is free with a 50,000 monthly retained user (MRU) limit per app, up to 3 dashboard seats, and unlimited applications, with no credit card required.

Source
Avast One: Does Avast One have ransomware protection?

Ransomware protection is available only on paid plans, not the free tier. Free users get antivirus and basic protection only.

Source
Clerk: How is usage metered?

Clerk meters by monthly retained users (MRUs) — users who return to the app at least a day after signing up — with overage billed at $0.02 per MRU beyond the included 50,000 on paid plans.

Source
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