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The most visible email marketing tools, October 2026

October 2026 · 12 questions asked in English, worldwide · ChatGPT, Google AI Overviews, Gemini and Google AI Mode · 96 answers read

Most cited source

reddit.com

32citations

From Google AI Mode, Gemini, Google AI Overviews and ChatGPT

Where engines disagree most

Mailchimp

1/4engines put it in their top three

Top three on ChatGPT, not on Google AI Mode, Gemini and Google AI Overviews

Brands

Rank Brand Rank change Heralded Score Score trend Mentioned Recommended By engine Mentioned by Change
11 HubSpot Marketing Hub US New entry 9 , range 4–31
9
  • : score 9 · #11
 7% 6% First reading
12 Drip US New entry 7 , range 3–28
7
  • : score 7 · #12
 6% 4% First reading
13 Shopify Email CA New entry 6 , range 3–26
6
  • : score 6 · #13
 6% 4% First reading
14 Shopify Messaging CA New entry 6 , range 2–23
6
  • : score 6 · #14
 4% 4% None First reading
15 Substack US New entry 5 , range 2–22
5
  • : score 5 · #15
 5% 3% None First reading
16 Rapidmail DE New entry 5 , range 2–21
5
  • : score 5 · #16
 5% 3% First reading
17 Sender LT New entry 5 , range 2–19
5
  • : score 5 · #17
 4% 4% First reading
18 Ghost SG New entry 5 , range 2–18
5
  • : score 5 · #18
 3% 3% None First reading
19 Mailpro CH New entry 3 , range 1–10
3
  • : score 3 · #19
 3% 1% None First reading
20 Seguno US New entry 2 , range 1–9
2
  • : score 2 · #20
 3% 1% None First reading

“=” marks brands whose score ranges overlap, so the test cannot separate them. Every brand named in at least three answers is ranked. By engine has one dot per engine (ChatGPT, Google AI Overviews, Gemini and Google AI Mode), darker the more often it names the brand.

This month's moves

First reading. No comparable previous month yet.

Biggest risers

No clear rise.

Biggest fallers

No clear fall.

Drop-outs

No drop-outs.

Most cited sources

Rank Source Type Cited in Engines Pages cited Brands its pages mention
11Withheld. Run a full Snapshot to see it.
12Withheld. Run a full Snapshot to see it.
13Withheld. Run a full Snapshot to see it.
14 omnisend.com Brand site 5.2% 2 of 4 7 1
15Withheld. Run a full Snapshot to see it.
16Withheld. Run a full Snapshot to see it.
17 zapier.com Vendor site 9.4% 3 of 4 1 4
18Withheld. Run a full Snapshot to see it.
19 rapidmail.com Vendor site 5.2% 3 of 4 2 1
20 sequenzy.com Vendor site 7.3% 3 of 4 5 16

The questions, and who wins each

QuestionLanguageWins it
email marketing software with the best support English ActiveCampaign and Constant Contact, tied
which email marketing software do experts recommend English ActiveCampaign, Kit and Klaviyo, tied

Each engine's top three

Method

Each month Heralded asks every engine the same buyer questions, twice each, and reads every answer. An answer counts 0 for a brand it leaves out, 50 for a brand it names and 100 for a brand it recommends, and the Heralded Score is built from those. A brand named in at least three answers gets a score and a place.

How the leaderboards are measured