--- title: "Flat vs Sibelius: Which is searched more?" description: "Is Flat or Sibelius more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Music notation 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/flat-io-vs-sibelius" publisher: "Brandwave" --- # Flat vs Sibelius: Which is searched more? Is Flat or Sibelius more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Music notation 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**: Flat and Sibelius - **Competitive set**: Music notation software - **Market**: Global - **Month measured**: Sep 2026 - **Flat Share of Search**: 42.5% - **Sibelius Share of Search**: 4.7% ## Is Flat or Sibelius more popular in search? - In September 2026, Flat had more branded searches than Sibelius among music notation software worldwide. Flat had about 673,000 branded searches, while Sibelius had 74,000. Flat made up 42.5% of all music notation software searches we track, and Sibelius accounted for 4.7%. - Flat was ahead of Sibelius in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Flat’s share of searches among music notation software worldwide moved from 28.8% to 42.5%, and its estimated monthly branded searches moved from 450K to 673K. - Across the 12 months ending September 2026, Sibelius’ share of searches among music notation software worldwide moved from 5.8% to 4.7%, and its estimated monthly branded searches moved from 90.5K to 74K. ## Top music notation software in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, both Flat and Sibelius showed up in all five answers. Sibelius was listed before Flat in every answer. 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 | | --- | --- | --- | --- | --- | | MuseScore | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Dorico | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Sibelius | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | Flat | 4th | 3 of 3 | 2 of 2 | 5 of 5 | | Noteflight | 5th | 0 of 3 | 2 of 2 | 2 of 5 | ## Every AI answer about music notation software - Asked ChatGPT "Which music notation software should I use?": 1. MuseScore, 2. Dorico, 3. Sibelius, 4. Flat - Asked ChatGPT "What are the best music notation software options?": 1. MuseScore, 2. Dorico, 3. Sibelius, 4. Flat - Asked ChatGPT "What's the best music notation software for a student composer?": 1. MuseScore, 2. Dorico, 3. Sibelius, 4. Flat - Searched Google, AI Overview "music notation software": 1. MuseScore, 2. Sibelius, 3. Dorico, 4. Flat, 5. Noteflight - Searched Google, AI Overview "music writing software": 1. MuseScore, 2. Sibelius, 3. Dorico, 4. Flat, 5. Noteflight Brands are listed in the order each answer named them. The answers were collected in the United States on October 22, 2026. ## How did search popularity change for music notation software worldwide in September 2026? - In September 2026, Flat overtook MuseScore to become the leader among music notation software worldwide, with 42.5% of the searches. - In September 2026, Sibelius lost share of searches among music notation software worldwide, from 6.3% to 4.7%. ## Month by month | Month | Flat estimated searches | Flat Share of Search | Flat rank | Sibelius estimated searches | Sibelius Share of Search | Sibelius rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 450K | 28.8% | 2 | 90.5K | 5.8% | 4 | | Nov 2025 | 450K | 31.9% | 2 | 90.5K | 6.4% | 4 | | Dec 2025 | 550K | 37.9% | 2 | 90.5K | 6.2% | 4 | | Jan 2026 | 450K | 32.6% | 2 | 90.5K | 6.6% | 4 | | Feb 2026 | 450K | 32.6% | 2 | 90.5K | 6.6% | 4 | | Mar 2026 | 450K | 31.9% | 2 | 90.5K | 6.4% | 4 | | Apr 2026 | 368K | 28.8% | 2 | 74K | 5.8% | 4 | | May 2026 | 368K | 28.2% | 2 | 74K | 5.7% | 4 | | Jun 2026 | 368K | 33.7% | 2 | 60.5K | 5.5% | 4 | | Jul 2026 | 368K | 35% | 2 | 60.5K | 5.8% | 3 | | Aug 2026 | 450K | 38.3% | 2 | 74K | 6.3% | 4 | | Sep 2026 | 673K | 42.5% | 1 | 74K | 4.7% | 4 | ## How each brand is measured Brandwave collects information about searches that people make online using Flat’s and Sibelius’ 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. - **Flat**: Measured on the search term “flat.io”. - **Sibelius**: Measured on the search term “sibelius”. - [Flat profile](/demand/global-en/brands/flat-io) - [Sibelius profile](/demand/global-en/brands/sibelius) - [All music notation software worldwide](/demand/global-en/categories/music-notation-software): The set both shares are measured inside, 5 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 Flat or Sibelius more popular in search? In September 2026, Flat had more branded searches than Sibelius among music notation software worldwide. Flat had about 673,000 branded searches, while Sibelius had 74,000. Flat made up 42.5% of all music notation software searches we track, and Sibelius accounted for 4.7%. ## Cite this page Brandwave. "Flat vs Sibelius: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/flat-io-vs-sibelius This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/flat-io-vs-sibelius. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.