--- title: "Email clients: Which brands are most popular in search?" description: "Compare the apps people manage email in. Share of Search among Thunderbird, Superhuman, Spark, Airmail and Newton, the email clients Brandwave compares worldwide, using the same methodology, market, and reporting period. 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/categories/email-clients" publisher: "Brandwave" --- # Email clients: Which brands are most popular in search? Compare the apps people manage email in. Share of Search among Thunderbird, Superhuman, Spark, Airmail and Newton, the email clients Brandwave compares worldwide, using the same methodology, market, and reporting period. 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 - **Competitive set**: Email clients - **Market**: Global - **Brands compared**: 5 - **Month measured**: Aug 2026 - **Highest Share of Search**: Thunderbird, 84.5% ## Which brand is most popular in search among email clients worldwide? - In August 2026, Thunderbird was the most searched among email clients worldwide, with an estimated 823K branded searches and 84.5% estimated Share of Search within this set. - Superhuman is in 2nd place, 73.2 percentage points behind at 11.3% Share of Search. - Across the 11 months ending August 2026, Thunderbird’s estimated Share of Search among email clients worldwide decreased from 87.7% to 84.5%. - Across the 11 months ending August 2026, Superhuman’s estimated Share of Search among email clients worldwide increased from 7.9% to 11.3%. - Across the 11 months ending August 2026, Thunderbird’s estimated Share of Search among email clients worldwide peaked at 88.7% in May 2026 and was lowest at 84.5% in November 2025. - Across the 11 months ending August 2026, Superhuman’s estimated Share of Search among email clients worldwide peaked at 11.4% in March 2026 and was lowest at 7.9% in October 2025. - Across the 11 months ending August 2026, Airmail’s estimated Share of Search among email clients worldwide peaked at 2.3% in December 2025 and was lowest at 1.3% in February 2026. - Across the 11 months ending August 2026, Spark, Airmail and Newton held steady: their estimated Share of Search among email clients worldwide each moved less than 0.5 percentage points. ## Compare search popularity between leading brands - [Thunderbird vs Superhuman: compare search popularity](/demand/global-en/compare/superhuman-vs-thunderbird): 84.5% against 11.3% Share of Search. - [Thunderbird vs Spark: compare search popularity](/demand/global-en/compare/spark-email-vs-thunderbird): 84.5% against 2.3% Share of Search. - [Superhuman vs Spark: compare search popularity](/demand/global-en/compare/spark-email-vs-superhuman): 11.3% against 2.3% Share of Search. ## How did search popularity change for email clients worldwide in August 2026? - In August 2026, Superhuman gained estimated Share of Search among email clients worldwide, from 9.5% to 11.3%. - In August 2026, Thunderbird lost estimated Share of Search among email clients worldwide, from 86.5% to 84.5%. - Estimated monthly branded searches for Airmail worldwide fell 18.5% over 11 measured months, from 22.2K to 18.1K in August 2026. - Estimated monthly branded searches for Newton worldwide fell 18.2% over 11 measured months, from 880 to 720 in August 2026. - Estimated monthly branded searches for Spark worldwide fell 18.1% over 11 measured months, from 27.1K to 22.2K in August 2026. ## Share of Search ranking | Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by | | --- | --- | --- | --- | --- | --- | | 1 | Thunderbird | 84.5% | 823K | +22.3% | Thunderbird | | 2 | Superhuman | 11.3% | 110K | +48.6% | Superhuman | | 3 | Spark | 2.3% | 22.2K | +22.7% | Spark | | 4 | Airmail | 1.9% | 18.1K | +49.6% | Airmail | | 5 | Newton | 0.07% | 720 | -28.0% | Newton | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Thunderbird | 1M | 87.7% | 1 | | Oct 2025 | Superhuman | 90.5K | 7.9% | 2 | | Oct 2025 | Spark | 27.1K | 2.4% | 3 | | Oct 2025 | Airmail | 22.2K | 1.9% | 4 | | Oct 2025 | Newton | 880 | 0.08% | 5 | | Nov 2025 | Thunderbird | 823K | 84.5% | 1 | | Nov 2025 | Superhuman | 110K | 11.3% | 2 | | Nov 2025 | Spark | 22.2K | 2.3% | 3 | | Nov 2025 | Airmail | 18.1K | 1.9% | 4 | | Nov 2025 | Newton | 1K | 0.1% | 5 | | Dec 2025 | Thunderbird | 823K | 85.8% | 1 | | Dec 2025 | Superhuman | 90.5K | 9.4% | 2 | | Dec 2025 | Airmail | 22.2K | 2.3% | 3 | | Dec 2025 | Spark | 22.2K | 2.3% | 4 | | Dec 2025 | Newton | 1.6K | 0.17% | 5 | | Jan 2026 | Thunderbird | 823K | 84.5% | 1 | | Jan 2026 | Superhuman | 110K | 11.3% | 2 | | Jan 2026 | Spark | 22.2K | 2.3% | 3 | | Jan 2026 | Airmail | 18.1K | 1.9% | 4 | | Jan 2026 | Newton | 1K | 0.1% | 5 | | Feb 2026 | Thunderbird | 823K | 87.4% | 1 | | Feb 2026 | Superhuman | 90.5K | 9.6% | 2 | | Feb 2026 | Spark | 14.8K | 1.6% | 3 | | Feb 2026 | Airmail | 12.1K | 1.3% | 4 | | Feb 2026 | Newton | 1K | 0.11% | 5 | | Mar 2026 | Thunderbird | 823K | 85.1% | 1 | | Mar 2026 | Superhuman | 110K | 11.4% | 2 | | Mar 2026 | Spark | 18.1K | 1.9% | 3 | | Mar 2026 | Airmail | 14.8K | 1.5% | 4 | | Mar 2026 | Newton | 880 | 0.09% | 5 | | Apr 2026 | Thunderbird | 823K | 86.8% | 1 | | Apr 2026 | Superhuman | 90.5K | 9.5% | 2 | | Apr 2026 | Spark | 18.1K | 1.9% | 3 | | Apr 2026 | Airmail | 14.8K | 1.6% | 4 | | Apr 2026 | Newton | 1.6K | 0.17% | 5 | | May 2026 | Thunderbird | 823K | 88.7% | 1 | | May 2026 | Superhuman | 74K | 8% | 2 | | May 2026 | Spark | 18.1K | 2% | 3 | | May 2026 | Airmail | 12.1K | 1.3% | 4 | | May 2026 | Newton | 720 | 0.08% | 5 | | Jun 2026 | Thunderbird | 823K | 86% | 1 | | Jun 2026 | Superhuman | 90.5K | 9.5% | 2 | | Jun 2026 | Spark | 22.2K | 2.3% | 3 | | Jun 2026 | Airmail | 18.1K | 1.9% | 4 | | Jun 2026 | Newton | 3.6K | 0.38% | 5 | | Jul 2026 | Thunderbird | 673K | 86.5% | 1 | | Jul 2026 | Superhuman | 74K | 9.5% | 2 | | Jul 2026 | Spark | 18.1K | 2.3% | 3 | | Jul 2026 | Airmail | 12.1K | 1.6% | 4 | | Jul 2026 | Newton | 1K | 0.13% | 5 | | Aug 2026 | Thunderbird | 823K | 84.5% | 1 | | Aug 2026 | Superhuman | 110K | 11.3% | 2 | | Aug 2026 | Spark | 22.2K | 2.3% | 3 | | Aug 2026 | Airmail | 18.1K | 1.9% | 4 | | Aug 2026 | Newton | 720 | 0.07% | 5 | | Sep 2026 | Airmail | — | — | — | | Sep 2026 | Newton | — | — | — | | Sep 2026 | Spark | — | — | — | | Sep 2026 | Superhuman | — | — | — | | Sep 2026 | Thunderbird | — | — | — | ## What is being compared - **Airmail**: Measured on the search term “airmail”. - **Newton**: Measured on the search term “newton mail”. - **Spark**: Measured on the search term “spark email”. - **Superhuman**: Measured on the search term “superhuman”. - **Thunderbird**: Measured on the search term “thunderbird”. - [Airmail](/demand/global-en/brands/airmail) - [Newton](/demand/global-en/brands/newton-mail) - [Spark](/demand/global-en/brands/spark-email) - [Superhuman](/demand/global-en/brands/superhuman) - [Thunderbird](/demand/global-en/brands/thunderbird) ## Methodology - [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Which brand is most popular in search among email clients worldwide? In August 2026, Thunderbird was the most searched among email clients worldwide, with an estimated 823K branded searches and 84.5% estimated Share of Search within this set. These are worldwide searches for English-language branded terms. ## Cite this page Brandwave. "Email clients: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/email-clients This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/email-clients. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.