Avast One vs Bitdefender Antivirus Plus
Avast One
avast.comBitdefender Antivirus Plus
bitdefender.comSide by side
| Figure | Avast One | Bitdefender Antivirus Plus |
|---|---|---|
| Price from | Free | $2.08/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 8 | 4 |
| Spec score · Antivirus software | 9.4 (#2) | 9.1 (#5) |
| 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. | Bitdefender's company page describes its cybersecurity work as dating from 2001. |
| Device limit | 30 | 3 |
| Founded | 1988 | 2001 |
| Free plan | Yes | Yes |
| Headquarters | Prague, Czech Republic | Bucharest, Romania |
| Protection scope | complete security | internet security |
| Ransomware protection | The free tier includes ransomware protection that restricts untrusted apps from changing protected folders. | Yes |
| Support | Official help provides contact options, account help, forums and an academy. | The product page says expert assistance is available 24/7. |
| Supported platforms | Windows,macOS,Android,iOS | Windows,macOS,iOS,Android |
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
Bitdefender Antivirus Plus
- Antivirus Plus, 1 device$24.99 a year
- Antivirus Plus, 3 devices$29.99 a year
- Bitdefender Antivirus Plus Multiplatform — 1 device$24.99 a year
- Bitdefender Antivirus Plus Multiplatform — 3 devices$29.99 a year
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.
Bitdefender Antivirus Plus
Bitdefender Antivirus Plus Multiplatform protects Windows, macOS, iOS, and Android devices against malware, ransomware, scams, and other online threats. Real-time detection covers viruses, ransomware, zero-day exploits, rootkits, and spyware. Web protection blocks phishing and fake-shop sites, and layered ransomware protection safeguards documents, pictures, videos, and music from encryption. On Windows PCs, Vulnerability Assessment checks for outdated or vulnerable software, missing Windows security patches, and potentially unsafe settings. Data Breach Detection checks whether email addresses have appeared in known third-party breaches. The included basic VPN allows 200 MB of traffic per day per device; unlimited traffic requires adding Premium VPN. Plans are listed for one or three devices: the first-year prices are $24.99 a year and $29.99 a year, respectively, plus applicable sales tax for the Multiplatform plans. Subscriptions may renew automatically. The maker offers a 30-day full trial without a credit card, says assistance is available 24/7, and says customers may request a refund within 30 days of purchase or renewal.