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Software · head to head

Avast One vs Stampli

Avast One logo

Avast One

Software

All-in-one protection for your digital life

From
Free
Rated
-
Full reviewWebsite
Stampli logo

Stampli

Software

AI-powered accounts payable automation

From
$29/month
Rated
-
Full reviewWebsite

The short version

  • Only Avast One has a free tier, so it costs nothing to try first.
  • Each has a real cost: Avast One ransomware and Wi-Fi vulnerability protection only on paid plans; Stampli pricing is by quote only: the pricing page publishes no rate, no minimum and no cost driver, offering only a Request a Quote form
  • They diverge on capability: Avast One covers Antivirus, Stampli covers AI invoice processing.

Where they differ

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

Attributes where Avast One and Stampli differ
AttributeAvast OneStampli
Starting priceFree$29/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWindows, macOS, iOS, AndroidWeb, Ios, Android
Founded19882014

Identical on both: user rating (Not yet rated), category (Unknown).

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 Stampli

  • AI invoice processing
  • Approval workflows
  • Vendor management
  • Payment processing
  • Audit trails
  • NetSuite
  • Sage Intacct
  • QuickBooks

Both cover

  • Web support

What people use each for

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

Avast One

  • Antivirusnot Stampli
  • Internet Securitynot Stampli
  • Privacy Toolsnot Stampli

Stampli

  • Automating accounts payable invoice capture and codingnot Avast One
  • Routing invoice approvals with discussion held against each invoicenot Avast One
  • Paying suppliers and issuing virtual cards from the AP workflownot 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

Stampli

  • Pricing is by quote only: the pricing page publishes no rate, no minimum and no cost driver, offering only a Request a Quote form
  • Payments and card products are sold alongside the core AP automation rather than being separately priced on the public site

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

Stampli

$29/month
  • Essential$undefined/month
    • Invoice processing
    • Basic approvals
    • Email notifications
  • Professional$undefined/month
    • AI-powered coding
    • Advanced workflows
    • ERP integrations
  • Enterprise$undefined/month
    • Custom workflows
    • API access
    • Dedicated support

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 Stampli if

  • You need ai invoice processing.
  • You work on Web, Ios, Android.
  • You also want approval workflows.
Stampli review

Questions people ask

Is Avast One or Stampli better?
Neither clearly leads. Avast One starts at Free and Stampli at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Avast One or Stampli?
Avast One has a free tier; the other does not. Paid plans start at Free for Avast One and $29/month for Stampli.
Does Avast One or Stampli run on more platforms?
Avast One runs on Windows, macOS, iOS, Android. Stampli runs on Web, Ios, Android.
Can I use Avast One for free?
Yes. Avast One has a free tier, so you can try it without paying. Stampli starts at $29/month.
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 Stampli is typically brought in for.
What can Avast One do that Stampli cannot?
Avast One covers Antivirus, Firewall, VPN, Data breach monitoring. Stampli covers AI invoice processing, Approval workflows, Vendor management, Payment processing. Both handle 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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