2FAS vs Cisco Duo:Which is more popular?
In September 2026, 2FAS had more branded searches than Cisco Duo among authenticator apps worldwide. 2FAS had about 18,700 branded searches, while Cisco Duo had 12,100. 2FAS made up 1% of all authenticator app searches we track, and Cisco Duo accounted for 0.65%. When we asked ChatGPT and Google AI Overviews about authenticator apps, 2FAS appeared in four of the five answers and Cisco Duo in none.
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Top authenticator apps in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, 2FAS was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Cisco Duo did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Microsoft Authenticator5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Google Authenticator4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
2FAS4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Ente Auth2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Aegis Authenticator2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Authy1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Cisco Duo0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about authenticator apps
5 answers
Asked ChatGPT
“Which authenticator app should I use?”
Asked ChatGPT
“What are the best authenticator apps?”
Asked ChatGPT
“What's the best authenticator app for account security?”
Searched Google, AI Overview
“authenticator app”
Searched Google, AI Overview
“two factor app”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is 2FAS or Cisco Duo more popular in search?
This chart shows how often people search Google for 2FAS and Cisco Duo by name. Each line represents a brand's share of searches for all seven authenticator apps we track, month by month, from English-language searches worldwide.
Share of searches by month for 2FAS, Cisco Duo. The figures are in the table below the chart.
View monthly share of searches table
| Month | Google Authenticator | Microsoft Authenticator | Authy | 2FAS | Ente Auth | Cisco Duo | Aegis Authenticator |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 64.9% | 29.2% | 3.2% | 0.81% | 0.79% | 0.79% | 0.29% |
| Nov 2025 | 65.4% | 29.5% | 2.7% | 0.77% | 0.79% | 0.65% | 0.29% |
| Dec 2025 | 69% | 25.5% | 2.8% | 0.81% | 0.84% | 0.68% | 0.37% |
| Jan 2026 | 64.8% | 29.2% | 3.2% | 0.81% | 0.96% | 0.64% | 0.35% |
| Feb 2026 | 64.5% | 29% | 3.2% | 0.99% | 1.2% | 0.78% | 0.35% |
| Mar 2026 | 65% | 29.3% | 2.6% | 1% | 0.96% | 0.79% | 0.29% |
| Apr 2026 | 64.4% | 29% | 3.2% | 1.2% | 1.2% | 0.78% | 0.35% |
| May 2026 | 64.4% | 29% | 3.2% | 1.2% | 1.2% | 0.78% | 0.35% |
| Jun 2026 | 64.6% | 29.1% | 3.2% | 0.99% | 0.96% | 0.78% | 0.35% |
| Jul 2026 | 64.7% | 29.1% | 2.6% | 1.2% | 1.2% | 0.78% | 0.35% |
| Aug 2026 | 65.1% | 29.3% | 2.6% | 1% | 0.97% | 0.65% | 0.35% |
| Sep 2026 | 65.4% | 29.5% | 2.2% | 1% | 0.97% | 0.65% | 0.29% |
How has the 2FAS and Cisco Duo comparison changed over the last 12 months?
3 findings
- 2FAS was ahead of Cisco Duo in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, 2FAS’s share of searches among authenticator apps worldwide moved from 0.81% to 1%, and its estimated monthly branded searches moved from 15.3K to 18.7K.
- Across the 12 months ending September 2026, Cisco Duo’s share of searches among authenticator apps worldwide moved from 0.79% to 0.65%, and its estimated monthly branded searches moved from 14.8K to 12.1K.
How did search popularity change for authenticator apps worldwide in September 2026?
2 changes
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using 2FAS’s and Cisco Duo’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.
Other head-to-heads among authenticator apps
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