--- title: "Mermaid vs Microsoft Visio: Which is searched more?" description: "Is Mermaid or Microsoft Visio more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Diagramming software set worldwide. 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." canonical: "https://gobrandwave.com/demand/global-en/compare/mermaid-vs-microsoft-visio" publisher: "Brandwave" --- # Mermaid vs Microsoft Visio: Which is searched more? Is Mermaid or Microsoft Visio more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Diagramming software set worldwide. 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. ## Key facts - **Compared**: Mermaid and Microsoft Visio - **Competitive set**: Diagramming software - **Market**: Global - **Month measured**: Sep 2026 - **Mermaid Share of Search**: 0.91% - **Microsoft Visio Share of Search**: 6.8% ## Is Mermaid or Microsoft Visio more popular in search? - In September 2026, Microsoft Visio had more branded searches than Mermaid among diagramming software worldwide. Microsoft Visio had about 413,000 branded searches, while Mermaid had 55,300. Microsoft Visio made up 6.8% of all diagramming software searches we track, and Mermaid accounted for 0.91%. - Microsoft Visio was ahead of Mermaid in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Mermaid’s share of searches among diagramming software worldwide moved from 1.6% to 0.91%, and its estimated monthly branded searches moved from 107K to 55.3K. - Across the 12 months ending September 2026, Microsoft Visio’s share of searches among diagramming software worldwide moved from 8% to 6.8%, and its estimated monthly branded searches moved from 535K to 413K. ## Top diagramming software in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Mermaid was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Microsoft Visio was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Mermaid was listed before Microsoft Visio in three out of four answers that named either. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | draw.io | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Lucidchart | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Miro | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | Mermaid | 4th | 3 of 3 | 0 of 2 | 3 of 5 | | Whimsical | 5th | 2 of 3 | 1 of 2 | 3 of 5 | | Excalidraw | 6th | 2 of 3 | 1 of 2 | 3 of 5 | | Microsoft Visio | 7th | 1 of 3 | 1 of 2 | 2 of 5 | | SmartDraw | 8th | 0 of 3 | 1 of 2 | 1 of 5 | | Creately | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Gliffy | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about diagramming software - Asked ChatGPT "Which diagramming tool should I use?": 1. draw.io, 2. Lucidchart, 3. Mermaid, 4. Excalidraw, 5. Miro - Asked ChatGPT "What are the best diagramming tools?": 1. draw.io, 2. Lucidchart, 3. Miro, 4. Mermaid, 5. Microsoft Visio, 6. Excalidraw, 7. Whimsical - Asked ChatGPT "What's the best diagramming tool for flowcharts?": 1. Lucidchart, 2. draw.io, 3. Whimsical, 4. Miro, 5. Mermaid - Searched Google, AI Overview "diagramming software": 1. draw.io, 2. Lucidchart, 3. Miro, 4. Excalidraw - Searched Google, AI Overview "flowchart software": 1. draw.io, 2. Lucidchart, 3. Miro, 4. Whimsical, 5. Microsoft Visio, 6. SmartDraw Not named in any answer: Creately and Gliffy. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for diagramming software worldwide in September 2026? - In September 2026, Microsoft Visio lost share of searches among diagramming software worldwide, from 7.9% to 6.8%. - Mermaid’s share of searches among diagramming software worldwide has lost ground for 3 months in a row, from 1.6% to 0.91% in September 2026. ## Month by month | Month | Mermaid estimated searches | Mermaid Share of Search | Mermaid rank | Microsoft Visio estimated searches | Microsoft Visio Share of Search | Microsoft Visio rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 107K | 1.6% | 7 | 535K | 8% | 5 | | Nov 2025 | 115K | 1.9% | 6 | 505K | 8.2% | 5 | | Dec 2025 | 93.6K | 1.9% | 6 | 413K | 8.3% | 5 | | Jan 2026 | 115K | 2.2% | 6 | 505K | 9.9% | 4 | | Feb 2026 | 110K | 2.1% | 7 | 512K | 9.7% | 5 | | Mar 2026 | 90K | 1.4% | 7 | 507K | 8.1% | 5 | | Apr 2026 | 90K | 1.5% | 7 | 505K | 8.1% | 5 | | May 2026 | 82.6K | 1.5% | 6 | 413K | 7.3% | 5 | | Jun 2026 | 81K | 1.6% | 6 | 414K | 8.1% | 5 | | Jul 2026 | 60.2K | 1.4% | 7 | 359K | 8.3% | 5 | | Aug 2026 | 55.3K | 1.3% | 7 | 340K | 7.9% | 5 | | Sep 2026 | 55.3K | 0.91% | 7 | 413K | 6.8% | 5 | ## How each brand is measured Brandwave collects information about searches that people make online using Mermaid’s and Microsoft Visio’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. - **Mermaid**: Measured on the search terms “mermaid chart” and “mermaid js”, summed into one figure. - **Microsoft Visio**: Measured on the search terms “flowchart microsoft visio”, “microsoft visio”, “microsoft visio app”, “microsoft visio diagrams”, “microsoftvisio” and “visio”, summed into one figure. - [Mermaid profile](/demand/global-en/brands/mermaid) - [Microsoft Visio profile](/demand/global-en/brands/microsoft-visio) - [All diagramming software worldwide](/demand/global-en/categories/diagramming-software): The set both shares are measured inside, 10 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Mermaid or Microsoft Visio more popular in search? In September 2026, Microsoft Visio had more branded searches than Mermaid among diagramming software worldwide. Microsoft Visio had about 413,000 branded searches, while Mermaid had 55,300. Microsoft Visio made up 6.8% of all diagramming software searches we track, and Mermaid accounted for 0.91%. ## Cite this page Brandwave. "Mermaid vs Microsoft Visio: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/mermaid-vs-microsoft-visio This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/mermaid-vs-microsoft-visio. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.