Bitdefender vs Kaspersky:Which is more popular by branded search?
In August 2026, Kaspersky had more branded searches than Bitdefender among antivirus software worldwide. Kaspersky was estimated to have 550K branded searches compared to Bitdefender’s 529K, and held a 35.4% Share of Search versus Bitdefender’s 34%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Bitdefender or Kaspersky?
Compare the antivirus and internet security software people buy. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Kaspersky, Bitdefender. The figures are in the table below the chart.
View monthly share of search table
| Month | Kaspersky | Bitdefender | ESET | Norton | McAfee |
|---|---|---|---|---|---|
| Oct 2025 | 33.5% | 33.1% | 17.9% | 10% | 5.5% |
| Nov 2025 | 34.2% | 32.9% | 18.1% | 10.2% | 4.6% |
| Dec 2025 | 35.3% | 33.8% | 15.6% | 10.6% | 4.8% |
| Jan 2026 | 33.1% | 31.8% | 17.6% | 12.1% | 5.4% |
| Feb 2026 | 33.6% | 32.6% | 18.2% | 10.1% | 5.5% |
| Mar 2026 | 31% | 36.5% | 16.9% | 9.3% | 6.2% |
| Apr 2026 | 33.4% | 33.1% | 18% | 10% | 5.5% |
| May 2026 | 35.6% | 33.6% | 16.1% | 8.7% | 5.9% |
| Jun 2026 | 31.9% | 36.7% | 17.6% | 9.6% | 4.3% |
| Jul 2026 | 30.8% | 39.6% | 17% | 9.2% | 3.4% |
| Aug 2026 | 35.4% | 34% | 16.2% | 10.6% | 3.9% |
| Sep 2026 | — | — | — | — | — |
How has the Bitdefender and Kaspersky comparison changed over the last 12 months?
3 findings
- The lead changed hands 4 times in the 11 months ending August 2026: Bitdefender took it in March 2026, Kaspersky took it in April 2026, Bitdefender took it in June 2026, Kaspersky took it in August 2026.
- Across the 11 months ending August 2026, Bitdefender’s estimated Share of Search among antivirus software worldwide moved from 33.1% to 34%, and its estimated monthly branded searches moved from 664K to 529K.
- Across the 11 months ending August 2026, Kaspersky’s estimated Share of Search among antivirus software worldwide moved from 33.5% to 35.4%, and its estimated monthly branded searches moved from 673K to 550K.
How did search popularity change for antivirus software worldwide in August 2026?
2 changes
In August 2026, Kaspersky overtook Bitdefender to take the highest estimated Share of Search among antivirus software worldwide, at 35.4%.
In August 2026, Bitdefender lost estimated Share of Search among antivirus software worldwide, from 39.6% to 34%.
How each brand is measured
Brandwave collects information about searches that people make online using Bitdefender’s and Kaspersky’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Bitdefender
8 branded search terms
- antivirus bitdefender
- bitdefender
- bitdefender antivirus
- bitdefender app
- bitdefender com
- bitdefender endpoint security
- bitdefender gravityzone
- bitdefender software
Kaspersky
1 branded search term
- kaspersky
Put your own brand in this comparison
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