Litmus vs MailReach:Which is more popular?
In September 2026, MailReach had more branded searches than Litmus among email deliverability testing tools worldwide. MailReach had about 5,400 branded searches, while Litmus had 590. MailReach made up 1.3% of all email deliverability testing tool searches we track, and Litmus accounted for 0.14%. When we asked ChatGPT and Google AI Overviews about email deliverability testing tools, MailReach appeared in three of the five answers and Litmus in two. MailReach was mentioned before Litmus in every answer that named either.
Who do people search for more?
MailReach, about 9 searches for every 1 for Litmus
Who does AI mention more?
MailReach, mentioned in 3 of 5 answers, Litmus in 2
Who does AI recommend more?
MailReach, named ahead of Litmus in 3 of 3 answers
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Top email deliverability testing tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, MailReach was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Litmus was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. MailReach was listed before Litmus in every answer that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
GlockApps1st
Mail-Tester2nd
MailReach3rd
MXToolbox4th
Litmus5th
Mailtrap6th
InboxAlly–
MailMonitor–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Mail-Tester4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
GlockApps4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
MailReach3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
MXToolbox2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Mailtrap2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Litmus2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
InboxAlly0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
MailMonitor0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about email deliverability testing tools
5 answers
Asked ChatGPT
“Which email deliverability testing tool should I use?”
Asked ChatGPT
“What are the best email deliverability testing tools?”
Asked ChatGPT
“What's the best email deliverability testing tool for better inbox placement?”
Searched Google, AI Overview
“email deliverability tool”
Searched Google, AI Overview
“email spam test”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Litmus or MailReach more popular in search?
This chart shows how often people search Google for Litmus and MailReach by name. Each line represents a brand's share of searches for all eight email deliverability testing tools we track, month by month, from English-language searches worldwide.
Share of searches by month for MailReach, Litmus. The figures are in the table below the chart.
View monthly share of searches table
| Month | MXToolbox | Mail-Tester | Mailtrap | GlockApps | MailReach | InboxAlly | Litmus | MailMonitor |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 66.5% | 16.6% | 13.8% | 1.5% | 0.97% | 0.24% | 0.19% | 0.19% |
| Nov 2025 | 68.6% | 16.6% | 11.7% | 1.5% | 1% | 0.2% | 0.2% | 0.2% |
| Dec 2025 | 66.2% | 16.6% | 13.9% | 1.5% | 1.2% | 0.29% | 0.19% | 0.24% |
| Jan 2026 | 68.3% | 17.1% | 11.8% | 1.2% | 1% | 0.22% | 0.16% | 0.2% |
| Feb 2026 | 68.2% | 17.1% | 11.7% | 1.2% | 1.2% | 0.24% | 0.16% | 0.2% |
| Mar 2026 | 68.8% | 16.6% | 11.8% | 1.2% | 1% | 0.17% | 0.16% | 0.16% |
| Apr 2026 | 70.5% | 14.4% | 12.1% | 1.3% | 1.3% | 0.21% | 0.17% | 0.14% |
| May 2026 | 68.5% | 16.6% | 11.8% | 1.2% | 1.2% | 0.2% | 0.16% | 0.2% |
| Jun 2026 | 68.3% | 16.7% | 11.7% | 1.5% | 1.2% | 0.2% | 0.16% | 0.16% |
| Jul 2026 | 68.1% | 17% | 11.7% | 1.5% | 1.2% | 0.21% | 0.13% | 0.13% |
| Aug 2026 | 67.1% | 17.6% | 11.6% | 1.5% | 1.5% | 0.29% | 0.2% | 0.2% |
| Sep 2026 | 70% | 16.9% | 9.8% | 1.5% | 1.3% | 0.24% | 0.14% | 0.14% |
How has the Litmus and MailReach comparison changed over the last 12 months?
3 findings
- MailReach was ahead of Litmus in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Litmus’ share of searches among email deliverability testing tools worldwide moved from 0.19% to 0.14%, and its estimated monthly branded searches moved from 880 to 590.
- Across the 12 months ending September 2026, MailReach’s share of searches among email deliverability testing tools worldwide moved from 0.97% to 1.3%, and its estimated monthly branded searches moved from 4.4K to 5.4K.
How did search popularity change for email deliverability testing tools worldwide in September 2026?
2 changes
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Litmus’ and MailReach’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.
Other head-to-heads among email deliverability testing tools

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