Softwr

Security & Cybersecurity · head to head

Avast One vs Lark

Avast One logo

Avast One

Security & Cybersecurity

All-in-one protection for your digital life

From
Free
Rated
-
Lark logo

Lark

Communication & Collaboration

The super app for team collaboration

From
Free
Rated
-

The short version

  • Each has a real cost: Avast One ransomware and Wi-Fi vulnerability protection only on paid plans; Lark lark's own pricing page description states it offers a free starter pack, a Pro plan, and an Enterprise plan, and directs buyers to Contact us rather than publishing Pro/Enterprise figures on the rendered page.
  • They diverge on capability: Avast One covers Antivirus, Lark covers Team messaging.

Where they differ

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

Attributes where Avast One and Lark differ
AttributeAvast OneLark
Pricing modelUnknownsubscription
PlatformsWindows, macOS, iOS, AndroidWeb, Windows, Macos, Linux, Ios, Android
CategorySecurity & CybersecurityCommunication & Collaboration
Founded19882019

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 Avast One

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

Only in Lark

  • Team messaging
  • Video conferencing
  • Collaborative docs
  • Cloud storage
  • Calendar
  • Jira
  • GitHub
  • Salesforce

Both cover

  • Cloud deployment
  • Web support

What people use each for

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

Avast One

  • Antivirusnot Lark
  • Internet Securitynot Lark
  • Privacy Toolsnot Lark

Lark

  • Team communicationnot Avast One
  • Document collaborationnot Avast One
  • Project managementnot Avast One
  • Company intranetnot 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

Lark

  • Lark's own pricing page description states it offers a free starter pack, a Pro plan, and an Enterprise plan, and directs buyers to Contact us rather than publishing Pro/Enterprise figures on the rendered page.

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

Lark

Free
  • StarterFree
    • Up to 50 users
    • 100GB storage
    • Unlimited messaging
  • Pro$12/month
    • Unlimited users
    • 1TB storage per user
    • 24-hour meetings
  • Enterprise$20/month
    • SSO/SAML
    • eDiscovery
    • Custom retention

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.

Choose Lark if

  • You need team messaging.
  • You want to start without paying.
  • You work on Web, Windows, Macos, Linux, Ios, Android.
  • You also want video conferencing.

Questions people ask

Is Avast One or Lark better?
Neither clearly leads. Avast One starts at Free and Lark at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Avast One or Lark?
Avast One starts at Free and Lark at Free.
Does Avast One or Lark run on more platforms?
Avast One runs on Windows, macOS, iOS, Android. Lark runs on Web, Windows, Macos, Linux, Ios, Android.
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 Lark is typically brought in for.
What can Avast One do that Lark cannot?
Avast One covers Antivirus, Firewall, VPN, Data breach monitoring. Lark covers Team messaging, Video conferencing, Collaborative docs, Cloud storage. Both handle Cloud deployment, Web support.

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
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
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

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