# Comodo Internet Security review (2026): is the free plan enough? > Windows antivirus and firewall that sandboxes unknown files Checked Nov 12, 2026 ยท graded Nov 12, 2026 by ToolGPA. Comodo Internet Security is a consumer security suite for Windows that combines an antivirus scanner, a firewall and an auto sandbox that runs unknown files in an isolated environment. A free edition and a paid Complete edition are listed. Comodo's main site now leads with website security and business products, and its consumer pages look older than the rest of the site. - **Category:** Antivirus & Malware Protection - **Made by:** Comodo - **Website:** https://www.comodo.com - **Runs on:** Windows - **Who should skip it:** Skip it if you use a Mac, phone or Linux, as it's Windows only. - **Facts last checked:** Nov 12, 2026 ## Pricing As of Nov 12, 2026, Comodo Internet Security has a free plan, and paid plans start at Free edition; paid Complete edition $29.99 per year for 1 PC. - **Pricing model:** Free plan - **Free plan:** A free Comodo Internet Security edition is offered for Windows. - **Free trial:** None listed. | Plan | Price | What you get | | --- | --- | --- | | Free Internet Security | $0 | The free Windows edition of Comodo Internet Security. | | Internet Security Complete | $29.99 per year for 1 PC | Antivirus, firewall, auto sandbox, 50GB of online backup and a virus-free guarantee. Three licenses cost $39.99 a year. | Read from https://www.comodo.com/home/internet-security/internet-security-complete.php on Nov 12, 2026. Prices change, so confirm with Comodo Internet Security before buying. ## Key features - **Antivirus and spyware scanning:** Scans for existing malware and spyware in the registry and on disks. - **Auto sandbox:** Unknown files can only run in a virtual environment, so they cannot change Windows or user data. - **Firewall:** A two-way firewall with a memory firewall to block software that tries to hijack other processes. - **Secure shopping:** Runs the browser inside a secure container for banking and shopping. - **Online backup:** Complete includes 50GB of backup space, with upgrades available. ## Good for - Windows users who want a sandbox-based approach alongside a free edition - Households that need three licenses at a low yearly price ## Worth knowing - The consumer pages list compatibility with Windows 10, 8 and 7 and appear dated; check current support before buying. - Comodo's homepage lists Antivirus, Firewall and Internet Security under Consumer Security but leads with website and enterprise products. - The page says the virus-free guarantee covers up to $500 in repair costs for US customers. ## ToolGPA grades **GPA: 2.6 out of 4**, graded Nov 12, 2026. Comodo offers a free Internet Security edition for Windows and a $29.99-a-year Complete one. The consumer pages mention Windows 10, 8 and 7 and look dated, and the homepage leads with business products. - **Value for money: A.** A free edition exists, and Complete is $29.99 a year, about $2.50 a month, against $4.50 for the middle of antivirus tools. - **Free plan and trial: B.** A free Internet Security edition for Windows with no time limit on record, though Complete adds more. - **Features: C.** Antivirus and spyware scanning, an auto sandbox, a firewall, secure shopping and online backup. The pages look dated and cite Windows 10, 8 and 7. - **Ease of use: B.** No store rating on record. You install it and it runs, with nothing to set up. - **Platforms and integrations: D.** Windows only, with no Mac, phone or Linux version listed. These are ToolGPA's own grades. Graded from this listing, whose facts were read from Comodo's own pages on 12 November 2026. Not based on using the product, and shorter than our full reviews. ## Where it stands among antivirus apps - Comodo Internet Security's GPA of 2.6 is higher than 41 of the 56 other antivirus apps we grade, and level with 8. - It stands best on value for money (A, above 54 of 56) and worst on platforms and integrations (D, above 0). The category's chart of price against score: https://toolgpa.com/charts/antivirus ## Keep it, or make your own? **Keep it.** To replace Comodo Internet Security you would be making an engine that recognises new malware as it appears. That is not a weekend's work, with an AI app builder or without one. It is one of the better ones too: its GPA of 2.6 is higher than 41 of the 56 other antivirus apps we grade. - You could not: An engine that recognises new malware as it appears. - You could not: Files kept in step across devices without losing one. - You could not: A real app for Windows. Something home-made would be a web page. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. **Tags:** Malware protection, File sync ## Alternatives - [Avast](https://toolgpa.com/tools/avast): Free antivirus for PC, Mac and phones, with paid Premium and Ultimate. [Compare](https://toolgpa.com/compare/avast-vs-comodo-antivirus) - [AVG](https://toolgpa.com/tools/avg): Free antivirus for Windows, with paid Internet Security and Ultimate. [Compare](https://toolgpa.com/compare/avg-vs-comodo-antivirus) - [Avira](https://toolgpa.com/tools/avira): Free antivirus suite with a VPN, PC cleaner and password manager. [Compare](https://toolgpa.com/compare/avira-vs-comodo-antivirus) - [Malwarebytes](https://toolgpa.com/tools/malwarebytes): Malware scanner and real-time protection, with VPN and ID plans. [Compare](https://toolgpa.com/compare/comodo-antivirus-vs-malwarebytes) - [Sophos Home](https://toolgpa.com/tools/sophos-home): Business-grade antivirus for up to 10 Windows PCs and Macs. [Compare](https://toolgpa.com/compare/comodo-antivirus-vs-sophos-home) ## Sources The prices, plans, platforms and features above were read from these pages on Nov 12, 2026: - https://www.comodo.com/home/internet-security/internet-security-complete.php - https://www.comodo.com/home/internet-security/antivirus.php - https://www.comodo.com/home/internet-security/free-internet-security.php - https://www.comodo.com Page: https://toolgpa.com/tools/comodo-antivirus Listed by ToolGPA (toolgpa.com).