Avast One vs Kaspersky Plus Internet Security
Avast One
avast.comKaspersky Plus Internet Security
kaspersky.comSide by side
| Figure | Avast One | Kaspersky Plus Internet Security |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 8 | 1 |
| Spec score · Antivirus software | 9.4 (#2) | 8.9 (#14) |
| 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. | Kaspersky says the company was established on June 26, 1997. |
| Device limit | 30 | 10 |
| Founded | 1988 | 1997 |
| Free plan | Yes | No |
| Headquarters | Prague, Czech Republic | Kaspersky's contact page lists its Europe address as Rieterstrasse 6, 8002, Zurich, Switzerland. |
| Protection scope | complete security | complete security |
| Ransomware protection | The free tier includes ransomware protection that restricts untrusted apps from changing protected folders. | Yes |
| Supported platforms | Windows,macOS,Android,iOS | The product page lists Windows, macOS, Android, iOS and Linux compatibility. |
| 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. | The page lists My Kaspersky account and internet connection as technical requirements, and WireGuard support as a VPN requirement. |
| VPN | The VPN offers connections in more than 100 locations and includes a 60-day trial on the product page. | The product includes an unlimited VPN that encrypts data on public Wi-Fi and hides the user’s IP address. |
Plans
Avast One
- BasicPrice not published
- BasicPriced on request
- Silver Device Protection module$2.99 a month
- Gold$6.99 a month
- Platinum$9.99 a month
- Free AntivirusFree
- Premium Security$49.99 a year
- Ultimate$69.99 a year
Kaspersky Plus Internet Security
- Kaspersky Plus 30-day free trialFree
In their own words
Avast One
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.
Kaspersky Plus Internet Security
Kaspersky Plus Internet Security combines protection against viruses, ransomware, malware, phishing, cryptojacking, and network threats with privacy and performance tools. It includes a firewall, payment protection, password management, leak checks, and an unlimited VPN that encrypts public-Wi-Fi traffic and hides the IP address. Payment activity can open in an encrypted browser, with password, address, and card autofill. Performance tools cover storage cleanup, drive-health monitoring, app management, optimization, startup controls, and data-use controls. The product supports Windows, macOS, Linux, Android, and iOS, protecting up to 10 devices. Requirements include a My Kaspersky account, internet connection, and WireGuard support for VPN use. The listed trial is free for 30 days, then a paid yearly subscription starts unless canceled. Subscriptions renew automatically, and renewal pricing may differ from introductory pricing. A 30-day money-back guarantee is advertised.