--- title: "Mail-Tester vs MXToolbox: Which is searched more?" description: "Is Mail-Tester or MXToolbox more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Email deliverability testing tools 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/mail-tester-vs-mxtoolbox" publisher: "Brandwave" --- # Mail-Tester vs MXToolbox: Which is searched more? Is Mail-Tester or MXToolbox more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Email deliverability testing tools 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**: Mail-Tester and MXToolbox - **Competitive set**: Email deliverability testing tools - **Market**: Global - **Month measured**: Sep 2026 - **Mail-Tester Share of Search**: 16.9% - **MXToolbox Share of Search**: 70% ## Is Mail-Tester or MXToolbox more popular in search? - In September 2026, MXToolbox had more branded searches than Mail-Tester among email deliverability testing tools worldwide. MXToolbox had about 301,000 branded searches, while Mail-Tester had 72,700. MXToolbox made up 70% of all email deliverability testing tool searches we track, and Mail-Tester accounted for 16.9%. - MXToolbox was ahead of Mail-Tester in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Mail-Tester’s share of searches among email deliverability testing tools worldwide moved from 16.6% to 16.9%, and its estimated monthly branded searches moved from 75.3K to 72.7K. - Across the 12 months ending September 2026, MXToolbox’s share of searches among email deliverability testing tools worldwide moved from 66.5% to 70%, and its estimated monthly branded searches held steady at 301K. ## Top email deliverability testing tools in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Mail-Tester was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. MXToolbox was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Mail-Tester was listed before MXToolbox in three out of four answers. 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 | | --- | --- | --- | --- | --- | | GlockApps | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Mail-Tester | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | MailReach | 3rd | 3 of 3 | 0 of 2 | 3 of 5 | | MXToolbox | 4th | 1 of 3 | 1 of 2 | 2 of 5 | | Litmus | 5th | 2 of 3 | 0 of 2 | 2 of 5 | | Mailtrap | 6th | 2 of 3 | 0 of 2 | 2 of 5 | | InboxAlly | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | MailMonitor | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about email deliverability testing tools - Asked ChatGPT "Which email deliverability testing tool should I use?": 1. GlockApps, 2. Mail-Tester, 3. MailReach, 4. Litmus, 5. Mailtrap - Asked ChatGPT "What are the best email deliverability testing tools?": 1. GlockApps, 2. Mail-Tester, 3. MailReach, 4. MXToolbox, 5. Mailtrap - Asked ChatGPT "What's the best email deliverability testing tool for better inbox placement?": 1. GlockApps, 2. MailReach, 3. Mail-Tester, 4. Litmus - Searched Google, AI Overview "email deliverability tool": 1. GlockApps, 2. MXToolbox - Searched Google, AI Overview "email spam test": 1. Mail-Tester Not named in any answer: InboxAlly and MailMonitor. 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 email deliverability testing tools worldwide in September 2026? - In September 2026, MXToolbox gained share of searches among email deliverability testing tools worldwide, from 67.1% to 70%. - In September 2026, Mail-Tester lost share of searches among email deliverability testing tools worldwide, from 17.6% to 16.9%. ## Month by month | Month | Mail-Tester estimated searches | Mail-Tester Share of Search | Mail-Tester rank | MXToolbox estimated searches | MXToolbox Share of Search | MXToolbox rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 75.3K | 16.6% | 2 | 301K | 66.5% | 1 | | Nov 2025 | 72.6K | 16.6% | 2 | 301K | 68.6% | 1 | | Dec 2025 | 61.6K | 16.6% | 2 | 246K | 66.2% | 1 | | Jan 2026 | 75.3K | 17.1% | 2 | 301K | 68.3% | 1 | | Feb 2026 | 75.4K | 17.1% | 2 | 301K | 68.2% | 1 | | Mar 2026 | 88.9K | 16.6% | 2 | 368K | 68.8% | 1 | | Apr 2026 | 75.3K | 14.4% | 2 | 368K | 70.5% | 1 | | May 2026 | 72.9K | 16.6% | 2 | 301K | 68.5% | 1 | | Jun 2026 | 73.5K | 16.7% | 2 | 301K | 68.3% | 1 | | Jul 2026 | 75K | 17% | 2 | 301K | 68.1% | 1 | | Aug 2026 | 64.5K | 17.6% | 2 | 246K | 67.1% | 1 | | Sep 2026 | 72.7K | 16.9% | 2 | 301K | 70% | 1 | ## How each brand is measured Brandwave collects information about searches that people make online using Mail-Tester’s and MXToolbox’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. - **Mail-Tester**: Measured on the search terms “mail-tester”, “mail-tester email testing”, “mail-tester software” and “mailtester”, summed into one figure. - **MXToolbox**: Measured on the search term “mxtoolbox”. - [Mail-Tester profile](/demand/global-en/brands/mail-tester) - [MXToolbox profile](/demand/global-en/brands/mxtoolbox) - [All email deliverability testing tools worldwide](/demand/global-en/categories/email-deliverability-testing-tools): The set both shares are measured inside, 8 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 Mail-Tester or MXToolbox more popular in search? In September 2026, MXToolbox had more branded searches than Mail-Tester among email deliverability testing tools worldwide. MXToolbox had about 301,000 branded searches, while Mail-Tester had 72,700. MXToolbox made up 70% of all email deliverability testing tool searches we track, and Mail-Tester accounted for 16.9%. ## Cite this page Brandwave. "Mail-Tester vs MXToolbox: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/mail-tester-vs-mxtoolbox This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/mail-tester-vs-mxtoolbox. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.