What is the best app for security?
Asked "What is the best app for security?", ChatGPT, Copilot, Gemini, Google AI Mode and Perplexity named 18 distinct tools across 5 answers on September 7, 2026, and 3 of them in two or more answers, and the engines did not agree; the closest to a consensus, Bitdefender Mobile Security, was named by only 4 of 5.
Measured acrossChatGPTCopilotGeminiGoogle AI ModePerplexity
3 of 18 names confirmed · named in 2 or more of 5 answers · asked September 7, 2026 · 5 engines
The best security app depends on what you want to protect, with strong choices including Bitdefender Mobile Security for mobile security, Norton 360 for all-in-one security, and Bitwarden for password management.
- 1Bitdefender Mobile Securitynamed in 4 of 5 answers
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- 2Norton 360named in 4 of 5 answers
- 3Bitwardennamed in 2 of 5 answers
- 4Bitdefendernamed in 1 of 5 answersone answer
- 5Bitdefender Total Securitynamed in 1 of 5 answersone answer
- 6AVG AntiVirus & Securitynamed in 1 of 5 answersone answer
- 7Microsoft Defendernamed in 1 of 5 answersone answer
- 8Avast Mobile Securitynamed in 1 of 5 answersone answer
- 9ESET Home Security Premiumnamed in 1 of 5 answersone answer
- 10Lookoutnamed in 1 of 5 answersone answer
- 11NordVPNnamed in 1 of 5 answersone answer
- 12Brave Private Browsernamed in 1 of 5 answersone answer
- 13ESET Home Security Ultimatenamed in 1 of 5 answersone answer
- 14TotalAVnamed in 1 of 5 answersone answer
- 151Passwordnamed in 1 of 5 answersone answer
- 16Avast Premium Securitynamed in 1 of 5 answersone answer
- 17NordPassnamed in 1 of 5 answersone answer
- 18Signal Private Messengernamed in 1 of 5 answersone answer
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The full measurement
- The position each of the 5 engines gave all 18 names.
- How many of the 5 answers named each of them.
- 26 sampled observations behind this ranking, and where the engines disagree.
- Fan-out — the query each engine actually searched.
- Every citation, and the sources nobody cited.