GlockApps vs MailReach:Which is more popular?
In September 2026, GlockApps had more branded searches than MailReach among email deliverability testing tools worldwide. GlockApps had about 6,600 branded searches, while MailReach had 5,400. GlockApps made up 1.5% of all email deliverability testing tool searches we track, and MailReach accounted for 1.3%. When we asked ChatGPT and Google AI Overviews about email deliverability testing tools, GlockApps appeared in four of the five answers and MailReach in three. GlockApps was mentioned before MailReach in every answer.
Who do people search for more?
GlockApps, about 22% more searches than MailReach
Who does AI mention more?
GlockApps, mentioned in 4 of 5 answers, MailReach in 3
Who does AI recommend more?
GlockApps, named ahead of MailReach in every answer
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Top email deliverability testing tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, GlockApps was mentioned in four out of five: in all three ChatGPT answers and in one of the 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. GlockApps was listed before MailReach in every answer.
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 GlockApps or MailReach more popular in search?
This chart shows how often people search Google for GlockApps 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 GlockApps, MailReach. 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 GlockApps and MailReach comparison changed over the last 12 months?
3 findings
- GlockApps was ahead of MailReach in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, GlockApps’ share of searches among email deliverability testing tools worldwide held steady at 1.5%, and its estimated monthly branded searches held steady at 6.6K.
- 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?
1 change

Estimated monthly branded searches for MailReach worldwide rose 22.7% over 12 measured months, from 4.4K to 5.4K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using GlockApps’ 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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