Cybersecurity · head to head
Avast One vs Unit21
Unit21
Cybersecurity
No-code fraud and AML risk operations platform for fintechs and neobanks
- From
- On request
- Rated
- -
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; Unit21 it is built for fintech scale rather than card issuer scale, so organisations reaching very high transaction volumes generally re-evaluate against heavier platforms and face a migration.
- They diverge on capability: Avast One covers Antivirus, Unit21 covers No-code rule builder.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Avast One and Unit21 actually diverge.
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 Avast One
- Antivirus
- Firewall
- VPN
- Data breach monitoring
- Email Guardian
- Webcam Shield
- Ransomware Shield
- Performance optimization
Only in Unit21
- No-code rule builder
- Case management
- SAR filing
- Backtesting
- Identity and device signals
- Data ingestion API
What people use each for
The jobs each tool is most often brought in to do.
Avast One
- Antivirusnot Unit21
- Internet Securitynot Unit21
- Privacy Toolsnot Unit21
Unit21
- A neobank whose sponsor bank requires a documented monitoring programme before it will keep the BIN sponsorshipnot Avast One
- A crypto exchange needing SAR filing and case management without building an internal compliance engineering teamnot Avast One
- A payments startup where the fraud lead needs to ship a new rule the same day a new attack pattern appearsnot Avast One
- A lender consolidating fraud alerts from three point tools into one investigator queue with a single audit trailnot 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
Unit21
- It is built for fintech scale rather than card issuer scale, so organisations reaching very high transaction volumes generally re-evaluate against heavier platforms and face a migration.
- No-code rule authoring shifts power to the risk team, which is the point, but without governance it produces rule sprawl that nobody can explain to an examiner two years later.
- Detection quality depends on the signals you feed it, so a thin integration produces thin results and the platform cannot compensate with proprietary consortium data the way larger vendors do.
- Pricing is quoted by volume with an annual commitment, so a fintech whose growth stalls pays for headroom it did not use.
- SAR filing coverage is oriented to United States FinCEN reporting, so firms filing in the United Kingdom, European Union or Asia handle those submissions outside the tool.
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$11.67/month
- All Premium features
- 30 devices covered
Unit21
On request- Unit21 Platform$undefined/year
- Priced by monitored volume and modules, annual contract
- Fraud, AML and case management packaged separately
- Implementation and historical data backfill quoted with the subscription
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.
Questions people ask
- Is Avast One or Unit21 better?
- Neither clearly leads. Avast One starts at Free and Unit21 at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Avast One or Unit21?
- Avast One has a free tier; the other does not. Paid plans start at Free for Avast One and On request for Unit21.
- Does Avast One or Unit21 run on more platforms?
- Avast One runs on Windows, macOS, iOS, Android. Unit21 runs on Web.
- Can I use Avast One for free?
- Yes. Avast One has a free tier, so you can try it without paying. Unit21 starts at On request.
- 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 Unit21 is typically brought in for.
- What can Avast One do that Unit21 cannot?
- Avast One covers Antivirus, Firewall, VPN, Data breach monitoring. Unit21 covers No-code rule builder, Case management, SAR filing, Backtesting.
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.
SourceUnit21: Do we need engineers to run it?
Only for the initial data integration. After that the design intent is that risk and compliance staff author and deploy rules themselves.
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.
SourceUnit21: Does it file SARs?
Yes, it generates and electronically files suspicious activity reports to FinCEN. Non-US regimes are not covered to the same depth.
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.
SourceUnit21: Can we test a rule before it goes live?
Yes. Backtesting against historical data to see projected alert volume is one of the more useful parts of the product, because alert volume is the real cost.
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