Bitdefender vs Avast
Avast comes out ahead of Bitdefender on 2 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
Avast takes it, 2–1 on rounds.
On the published figures and the independent review sites, Avast takes 2 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
Choose Avast if…
- • You want Avast's edge on how much it slows your pc and is there a free version
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 ↗
Avast5/1099.3%
AV-Comparatives Real-World Protection Test, February to May 2026
- 99.3%, against 99.5%
Source: av-comparatives.org ↗
Bitdefender wins this round on independent review-site data, not on its own claims.
- Round 2How much it slows your PCAvast winsBitdefender5/10
9.6
AV-Comparatives Performance Test, April 2026
- 9.6, against 5.5
Source: av-comparatives.org ↗
Avast wins this round on independent review-site data, not on its own claims.
- Round 3Is there a free versionAvast winsBitdefender5/10
Totally free version available
Free Version
- No free version, against Free version
Source: savedelete.com ↗
Avast wins this round on independent review-site data, not on its own claims.
- Round 4How often it cries wolfTie
Nothing to separate them here.
- Round 5What AV-TEST scored itTie
Nothing to separate them here.
- Round 6What customers say on TrustpilotTie
Nothing to separate them here.
Side by side
- 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
- 4.3 out of 5, against 4.7 out of 5
- 5.5, against 3.3
- 99.3%, against 99.5%
- 4.3 out of 5, against 4.5 out of 5