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SPECIFICTION
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Avast One

avast.com

Free plan WindowsmacOSiOSAndroidBrowser extension
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Spec score 9.4 #2 of 120 in Antivirus software

What it is

Avast One is a security suite for Windows, macOS, Android, and iOS, with its protection scope described as complete security. Listed features include ransomware protection, junk cleanup, a startup manager, scheduled maintenance, and built-in ad blocking. The product supports cross-device sync, Chrome Store extensions, and a Chromium browser engine. Windows support covers Windows 10 and 11, and the device limit is 30. Avast One has a free plan. The Silver Device Protection module costs $2.99 a month and adds device-protection features. Gold costs $6.99 a month and includes expanded security, privacy, and performance features. Platinum costs $9.99 a month and is described as the broadest listed protection tier. The listed pricing note says paid from $2.99/mo, while another listed paid-from amount is 65.99 /yr. The maker is headquartered in Prague, Czech Republic, and was founded in 1988.

Spec sheet

What it does
Avast One combines antivirus, scam protection, privacy tools, device cleanup and performance features in one dashboard.Read 15 Oct 2026 · avast.com
Free plan
YesRead 20 Sep 2026 · onlinescan.avast.com
Integrations
The AntiTrack extension supports Google Chrome, Microsoft Edge and Mozilla Firefox.Read 15 Oct 2026 · community.avast.com
Support
Official help provides contact options, account help, forums and an academy.Read 15 Oct 2026 · support.avast.com
Headquarters
Prague, Czech RepublicRead 28 Sep 2026 · avast.com
Founded
1988Read 23 Sep 2026 · avast.com
AntiTrack integration
Windows version 26.9 integrated AntiTrack dashboards, extension management, tracker statistics and fingerprinting metrics.Read 15 Oct 2026 · community.avast.com
Antivirus scanning
The product scans files when they are opened or added and isolates potentially harmful files for analysis.Read 15 Oct 2026 · avast.com
Avast Assistant
Avast Assistant uses AI to analyze messages, emails and links for scam indicators and answer online-safety questions.Read 15 Oct 2026 · support.avast.com
Browser extension
Avast Online Security & Privacy blocks phishing sites, shows community site reputations and blocks tracking cookies.Read 15 Oct 2026 · chromewebstore.google.com
Cleanup
Cleanup removes browser history, temporary files, cookies and dead shortcuts to recover space.Read 15 Oct 2026 · avast.com
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.Read 15 Oct 2026 · avast.com
Company legal entity
The privacy policy identifies Avast Software s.r.o. as the data controller and registered entity.Read 15 Oct 2026 · avast.cz
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.Read 15 Oct 2026 · sec.gov
Company size
LinkedIn lists Avast as a public company with 1,001–5,000 employees and headquarters in Prague.Read 15 Oct 2026 · linkedin.com
Device limit
30Read 20 Sep 2026 · onlinescan.avast.com
Documentation depth
The public support center contains product FAQs, installation guidance, feature explanations and system-requirement articles.Read 15 Oct 2026 · support.avast.com
Email protection
Premium Email Guard monitors email for suspicious content and attachments.Read 15 Oct 2026 · avast.com
Licence
Avast grants a non-exclusive subscription licence; free consumer solutions are licensed for personal, non-commercial household use.Read 15 Oct 2026 · avast.com
Limit: AI assistant
Macworld found the chat-based AI Assistant limited to basic questions and noted occasional malware-installer detection gaps.Read 15 Oct 2026 · macworld.com
Limit: device cap and backup
Tom’s Guide reported a maximum of 10 protected devices and no cloud-backup feature.Read 15 Oct 2026 · tomsguide.com
Limit: paid extras
TechRadar noted that scam SMS and call blocking, deepfake detection and fake-shop identification require paid tiers.Read 15 Oct 2026 · techradar.com
Limit: subscription complaints
Trustpilot review summaries repeatedly mention unwanted renewals, unexpected charges, cancellation difficulty and promotional pop-ups.Read 15 Oct 2026 · trustpilot.com
Limit: upselling and subscriptions
Macworld criticized persistent upselling, fragmented subscriptions and the need to buy add-ons for some capabilities.Read 15 Oct 2026 · macworld.com
Network Inspector
Network Inspector checks connected devices, router settings and network vulnerabilities.Read 15 Oct 2026 · support.avast.com
Notable news: modular redesign
Avast published its explanation of the refreshed modular Avast One on April 17, 2026.Read 15 Oct 2026 · avast.com
Notable news: Windows release
Avast announced Windows version 26.9 on September 16, 2026, including deeper AntiTrack integration and VPN setup fixes.Read 15 Oct 2026 · community.avast.com
Praise: independent testing
Tom’s Guide reported AV-Test scores of 6/6 for protection, performance and usability, plus an SE Labs AAA result with 100% total accuracy.Read 15 Oct 2026 · tomsguide.com
Praise: malware protection
Macworld found excellent malware and phishing protection with little performance impact and gave Avast One an Editors’ Choice designation.Read 15 Oct 2026 · macworld.com
Praise: mobile security
AV-Comparatives described Avast One Free for Android as offering broad anti-malware, safe-browsing, app-audit, scam, Wi-Fi, leak-checking and photo-vault tools.Read 15 Oct 2026 · av-comparatives.org
Praise: usability and coverage
TechRadar praised the effective scans, quarantine behavior, straightforward installation and generous free feature set.Read 15 Oct 2026 · techradar.com
Privacy and security
Avast says personal data may be stored in the Czech Republic, United States and Google Cloud, with safeguards and contractual clauses for transfers.Read 15 Oct 2026 · avast.cz
Privacy Control
Privacy Control removes personal information from data-broker sites, blocks ad tracking and checks for weak or reused passwords.Read 15 Oct 2026 · avast.com
Protection scope
complete securityRead 20 Sep 2026 · onlinescan.avast.com
Ransomware protection
The free tier includes ransomware protection that restricts untrusted apps from changing protected folders.Read 15 Oct 2026 · techradar.com
Rating on Apple App Store
4.7 out of 5 from 100K ratingsRead 15 Oct 2026 · apps.apple.com
Rating on Google Play
4.6 out of 5 from 7.28M reviewsRead 15 Oct 2026 · play.google.com
Rating on Trustpilot
4.3 out of 5 from 46,510 reviewsRead 15 Oct 2026 · trustpilot.com
Supported platforms
Windows,macOS,Android,iOSRead 20 Sep 2026 · onlinescan.avast.com
System requirements
The product requires internet access for updates; Windows support covers Windows 7 through 11, while Mac requires macOS 10.14 or later, Android requires 9.0 or later and iOS requires 15 or later.Read 15 Oct 2026 · avast.com
VPN
The VPN offers connections in more than 100 locations and includes a 60-day trial on the product page.Read 15 Oct 2026 · apps.apple.com
Web Guard
Web Guard scans internet activity in real time to block malicious scripts and unsafe sites.Read 15 Oct 2026 · support.avast.com

Plans and prices

Basic Price not published Essential antivirus and security features Read 20 Sep 2026 · onlinescan.avast.com
Basic Priced on request Essential antivirus and security features Read 20 Sep 2026 · onlinescan.avast.com
Silver Device Protection module $2.99 a month From $2.99/month Additional device-protection features Read 20 Sep 2026 · onlinescan.avast.com
Gold $6.99 a month From $6.99/month Expanded security, privacy, and performance features Read 20 Sep 2026 · onlinescan.avast.com
Platinum $9.99 a month billed monthly Broadest listed Avast One protection tier Read 20 Sep 2026 · onlinescan.avast.com
Free Antivirus Free Core antivirus and scam protection · free download Read 15 Oct 2026 · avast.com
Premium Security $49.99 a year first year; renews at $77.99/year 1 Mac + 1 mobile device Read 15 Oct 2026 · avast.com
Ultimate $69.99 a year first year; renews at $139.99/year 10 devices · Windows, Mac, iPhone/iPad, Android Read 15 Oct 2026 · avast.com

Every Avast One plan and price →

Strong points and limits

Strong points

  • Supports Windows, macOS, Android, and iOS.
  • Includes ransomware protection.
  • Includes junk cleanup and scheduled maintenance.
  • Supports cross-device sync.

Limits

  • The device limit is 30.
  • Windows support is limited to versions 10 and 11.

Who it suits

Avast One suits people seeking security and maintenance features across desktop and mobile devices. Its free plan and paid tiers provide different listed feature scopes, with support for up to 30 devices.

Verdict

Avast One combines security, cleanup, and maintenance features across four platforms. Buyers should note the device limit and compare the listed tier prices and feature descriptions.

Where Specifiction places it

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