Bitdefender vs Trend Micro
Bitdefender comes out ahead of Trend Micro on 4 of the 6 things that decide this, going by what each company publishes and what independent review sites report. The one that matters for you may be one the leader loses.
The verdict
Bitdefender takes it, 4–1 on rounds.
On the published figures and the independent review sites, Bitdefender takes 4 of 6 rounds. Treat that as a starting point and check the current figures on both pages, because prices and plans move.
Choose Bitdefender if…
- • You want Bitdefender's edge on how much it blocks and how often it cries wolf
Choose Trend Micro if…
- • You want Trend Micro's edge on how much it slows your pc
Round by round
- Round 1How much it blocksBitdefender winsBitdefender8/10
99.5%
AV-Comparatives Real-World Protection Test, February to May 2026
Source: av-comparatives.org ↗
Trend Micro5/1098.3%
AV-Comparatives Real-World Protection Test, February to May 2026
- 98.3%, against 99.5%
Source: av-comparatives.org ↗
Bitdefender wins this round on independent review-site data, not on its own claims.
- Round 2How often it cries wolfBitdefender wins
Bitdefender wins this round on independent review-site data, not on its own claims.
- Round 3How much it slows your PCTrend Micro winsBitdefender5/10
9.6
AV-Comparatives Performance Test, April 2026
- 9.6, against 4.7
Source: av-comparatives.org ↗
Trend Micro wins this round on independent review-site data, not on its own claims.
- Round 4What customers say on TrustpilotBitdefender winsTrend Micro5/10
1.4 out of 5
TrustScore from 137 reviews on Trustpilot
- 1.4 out of 5, against 4.3 out of 5
Source: trustpilot.com ↗
Bitdefender wins this round on independent review-site data, not on its own claims.
- Round 5Is there a free versionTieBitdefender7/10
100% free version available
Free version availability
- paid only
Source: savedelete.com ↗
Trend Micro7/10Free version available
Trend Micro official Help Center, Antivirus One product page (free Mac antivirus)
- paid only
Source: helpcenter.trendmicro.com ↗
Nothing to separate them here.
- Round 6How many Trustpilot reviewsBitdefender winsTrend Micro5/10
137 reviews
reviews on Trustpilot, rated 1.4 out of 5
- 137 reviews, against 12,581 reviews
Source: trustpilot.com ↗
Bitdefender wins this round on independent review-site data, not on its own claims.
Side by side
- paid only
- paid only
- 9.6, against 5.3
- 4.3 out of 5, against 4.7 out of 5
- 9.6, against 3.3
- No free version, against Free version
- 98.3%, against 99.3%
- 83, against 5
- 1.4 out of 5, against 4.7 out of 5
- 137 reviews, against 88,968 reviews