--- title: "Grammarly vs Sider: Which is searched more?" description: "Is Grammarly or Sider more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI browser extensions 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/grammarly-vs-sider" publisher: "Brandwave" --- # Grammarly vs Sider: Which is searched more? Is Grammarly or Sider more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI browser extensions 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**: Grammarly and Sider - **Competitive set**: AI browser extensions - **Market**: Global - **Month measured**: Sep 2026 - **Grammarly Share of Search**: 24.6% - **Sider Share of Search**: 12.7% ## Is Grammarly or Sider more popular in search? - In September 2026, Grammarly had more branded searches than Sider among AI browser extensions worldwide. Grammarly had about 64,300 branded searches, while Sider had 33,100. Grammarly made up 24.6% of all AI browser extension searches we track, and Sider accounted for 12.7%. - Grammarly was ahead of Sider in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Grammarly’s share of searches among AI browser extensions worldwide moved from 27.8% to 24.6%, and its estimated monthly branded searches moved from 124K to 64.3K. - Across the 12 months ending September 2026, Sider’s share of searches among AI browser extensions worldwide moved from 16.7% to 12.7%, and its estimated monthly branded searches moved from 74K to 33.1K. ## Top AI browser extensions in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Grammarly was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Sider was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Sider was listed before Grammarly in two out of three 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 | | --- | --- | --- | --- | --- | | Perplexity | 1st | 3 of 3 | 0 of 2 | 3 of 5 | | Sider | 2nd | 1 of 3 | 1 of 2 | 2 of 5 | | Monica | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | Grammarly | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Merlin | 5th | 1 of 3 | 1 of 2 | 2 of 5 | | Harpa | 5th | 1 of 3 | 1 of 2 | 2 of 5 | | MaxAI | 7th | 0 of 3 | 1 of 2 | 1 of 5 | ## Every AI answer about AI browser extensions - Asked ChatGPT "Which AI browser extension should I use?": 1. Perplexity, 2. Grammarly - Asked ChatGPT "What are the best AI browser extensions?": 1. Perplexity, 2. Sider, 3. Grammarly, 4. Harpa, 5. Monica, 6. Merlin - Asked ChatGPT "What's the best AI browser extension for browser help?": 1. Perplexity, 2. Monica - Searched Google, AI Overview "ai browser extension": 1. Sider, 2. Monica, 3. Merlin, 4. MaxAI, 5. Harpa, 6. Grammarly - Searched Google, AI Overview "chatgpt browser extension": named none of the brands we track 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 AI browser extensions worldwide in September 2026? - In September 2026, Sider gained share of searches among AI browser extensions worldwide, from 10.3% to 12.7%. - In September 2026, Grammarly lost share of searches among AI browser extensions worldwide, from 27.3% to 24.6%. ## Month by month | Month | Grammarly estimated searches | Grammarly Share of Search | Grammarly rank | Sider estimated searches | Sider Share of Search | Sider rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 124K | 27.8% | 2 | 74K | 16.7% | 4 | | Nov 2025 | 87.6K | 24.8% | 2 | 60.5K | 17.1% | 4 | | Dec 2025 | 121K | 37.9% | 1 | 40.5K | 12.7% | 4 | | Jan 2026 | 107K | 33.7% | 1 | 40.5K | 12.7% | 4 | | Feb 2026 | 121K | 32.1% | 2 | 40.5K | 10.8% | 4 | | Mar 2026 | 121K | 28.9% | 2 | 49.5K | 11.8% | 4 | | Apr 2026 | 121K | 34.2% | 1 | 40.5K | 11.4% | 4 | | May 2026 | 124K | 33.8% | 1 | 49.5K | 13.5% | 4 | | Jun 2026 | 82.6K | 29.1% | 2 | 33.1K | 11.7% | 4 | | Jul 2026 | 82.6K | 30.2% | 2 | 27.1K | 9.9% | 4 | | Aug 2026 | 71.7K | 27.3% | 2 | 27.1K | 10.3% | 4 | | Sep 2026 | 64.3K | 24.6% | 2 | 33.1K | 12.7% | 4 | ## How each brand is measured Brandwave collects information about searches that people make online using Grammarly’s and Sider’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. - **Grammarly**: Measured on the search terms “grammarly chrome extension” and “grammarly extension”, summed into one figure. - **Sider**: Measured on the search term “sider ai”. - [Grammarly profile](/demand/global-en/brands/grammarly) - [Sider profile](/demand/global-en/brands/sider) - [All AI browser extensions worldwide](/demand/global-en/categories/ai-browser-extensions): The set both shares are measured inside, 7 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 Grammarly or Sider more popular in search? In September 2026, Grammarly had more branded searches than Sider among AI browser extensions worldwide. Grammarly had about 64,300 branded searches, while Sider had 33,100. Grammarly made up 24.6% of all AI browser extension searches we track, and Sider accounted for 12.7%. ## Cite this page Brandwave. "Grammarly vs Sider: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/grammarly-vs-sider This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/grammarly-vs-sider. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.