Freedom251 › Antivirus software
Avast One
by Avast One
What Avast One is
Avast One is a security suite for Windows, macOS, Android, and iOS. Its protection scope is described as complete security, with ransomware protection, built-in ad blocking, junk cleanup, a startup manager, and scheduled maintenance. Cross-device sync is supported. The browser engine is Chromium, and Chrome Store extensions are supported. On Windows, support covers Windows 10 and 11. The device limit is 30.
A free Basic plan includes essential antivirus and security features. Paid options include the Silver Device Protection module at $2.99 per month, Gold at $6.99 per month, and Platinum at $9.99 per month. Silver adds device-protection features; Gold expands security, privacy, and performance features; Platinum is the broadest listed protection tier. The pricing note also says paid plans start at $2.99/mo, while the listed paid-from amount is 65.99 /yr. Avast One’s maker is listed as Avast One, founded in 1988 and headquartered in Prague, Czech Republic.
Who it suits
Avast One suits people who want security and maintenance tools across desktop and mobile platforms, with cross-device sync and a free plan. Its paid tiers may suit buyers seeking added device protection or broader security, privacy, and performance features.
What it does well
- Free Basic plan includes essential antivirus and security features.
- Supports Windows, macOS, Android, and iOS.
- Ransomware protection and built-in ad blocking are included.
- Junk cleanup, startup management, and scheduled maintenance are available.
- Cross-device sync is supported.
- Device limit is 30.
What to know first
- Platinum costs $9.99 per month.
- Windows support is listed for Windows 10 and 11.
Limits
The free Basic plan covers essential antivirus and security features. The Silver Device Protection module costs $2.99 per month, Gold costs $6.99 per month, and Platinum costs $9.99 per month; the device limit is 30.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Basic | Essential antivirus and security features | On request |
| Basic | Essential antivirus and security features | On request |
| Silver Device Protection module | From $2.99/month · Additional device-protection features | $2.99 a month |
| Gold | From $6.99/month · Expanded security, privacy, and performance features | $6.99 a month |
| Platinum | billed monthly · Broadest listed Avast One protection tier | $9.99 a month |
| Free Antivirus | Core antivirus and scam protection · free download | Free |
| Premium Security | first year; renews at $77.99/year · 1 Mac + 1 mobile device | $49.99 a year |
| Ultimate | first year; renews at $139.99/year · 10 devices · Windows, Mac, iPhone/iPad, Android | $69.99 a year |
As avast.com lists them, read 20 Sept 2026. The maker's own page has the final word.
Getting started
- Visit the Avast One website.
- Choose the free Basic plan or a paid tier.
- Use it on Android, iOS, macOS, or Windows; Windows support covers versions 10 and 11.
Verdict
Choose Avast One if you want security, maintenance, and ad blocking across supported desktop and mobile platforms, with a free Basic plan. Buyers who want additional device protection or broader security, privacy, and performance features can consider the paid tiers, which reach $9.99 per month.
Questions
Is Avast One free?
Yes. The Basic plan is free and includes essential antivirus and security features.
How much do the paid tiers cost?
The Silver Device Protection module is $2.99 per month, Gold is $6.99 per month, and Platinum is $9.99 per month.
Which platforms does Avast One support?
It supports Android, iOS, macOS, and Windows. Windows support covers Windows 10 and 11.
Does Avast One include ransomware protection?
Yes. Ransomware protection is included.
What is the device limit?
The listed device limit is 30.
Who makes Avast One?
The maker is listed as Avast One, founded in 1988 and headquartered in Prague, Czech Republic.
Facts from Avast One's own pages
- AntiTrack integration
- Windows version 26.9 integrated AntiTrack dashboards, extension management, tracker statistics and fingerprinting metrics. · community.avast.com, 15 Oct 2026
- Antivirus scanning
- The product scans files when they are opened or added and isolates potentially harmful files for analysis. · avast.com, 15 Oct 2026
- Avast Assistant
- Avast Assistant uses AI to analyze messages, emails and links for scam indicators and answer online-safety questions. · support.avast.com, 15 Oct 2026
- Browser extension
- Avast Online Security & Privacy blocks phishing sites, shows community site reputations and blocks tracking cookies. · chromewebstore.google.com, 15 Oct 2026
- Cleanup
- Cleanup removes browser history, temporary files, cookies and dead shortcuts to recover space. · avast.com, 15 Oct 2026
- Company history
- Avast says Pavel Baudiš and Eduard Kučera founded Alwil in Prague in 1988, renamed it Avast Software in 2010 and joined Gen in 2022. · avast.com, 15 Oct 2026
- Company legal entity
- The privacy policy identifies Avast Software s.r.o. as the data controller and registered entity. · avast.cz, 15 Oct 2026
- Company ownership and headquarters
- Avast is part of Gen Digital, whose merger filing says the combined company is dual headquartered in Tempe, Arizona and Prague. · sec.gov, 15 Oct 2026
- Company size
- LinkedIn lists Avast as a public company with 1,001–5,000 employees and headquarters in Prague. · linkedin.com, 15 Oct 2026
- Device limit
- 30 · onlinescan.avast.com, 20 Sept 2026
- Documentation depth
- The public support center contains product FAQs, installation guidance, feature explanations and system-requirement articles. · support.avast.com, 15 Oct 2026
- Email protection
- Premium Email Guard monitors email for suspicious content and attachments. · avast.com, 15 Oct 2026
- Founded
- 1988 · avast.com, 23 Sept 2026
- Free plan
- Yes · onlinescan.avast.com, 20 Sept 2026
- Headquarters
- Prague, Czech Republic · avast.com, 28 Sept 2026
- Integrations
- The AntiTrack extension supports Google Chrome, Microsoft Edge and Mozilla Firefox. · community.avast.com, 15 Oct 2026
- Licence
- Avast grants a non-exclusive subscription licence; free consumer solutions are licensed for personal, non-commercial household use. · avast.com, 15 Oct 2026
- Limit: AI assistant
- Macworld found the chat-based AI Assistant limited to basic questions and noted occasional malware-installer detection gaps. · macworld.com, 15 Oct 2026
- Limit: device cap and backup
- Tom’s Guide reported a maximum of 10 protected devices and no cloud-backup feature. · tomsguide.com, 15 Oct 2026
- Limit: paid extras
- TechRadar noted that scam SMS and call blocking, deepfake detection and fake-shop identification require paid tiers. · techradar.com, 15 Oct 2026
- Limit: subscription complaints
- Trustpilot review summaries repeatedly mention unwanted renewals, unexpected charges, cancellation difficulty and promotional pop-ups. · trustpilot.com, 15 Oct 2026
- Limit: upselling and subscriptions
- Macworld criticized persistent upselling, fragmented subscriptions and the need to buy add-ons for some capabilities. · macworld.com, 15 Oct 2026
- Network Inspector
- Network Inspector checks connected devices, router settings and network vulnerabilities. · support.avast.com, 15 Oct 2026
- Notable news: modular redesign
- Avast published its explanation of the refreshed modular Avast One on April 17, 2026. · avast.com, 15 Oct 2026
Where Avast One stands on Freedom251
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