Brandwave

GMass vs Mailbutler:Which is more popular?

In September 2026, GMass had more branded searches than Mailbutler among email tracking tools worldwide. GMass had about 22,200 branded searches, while Mailbutler had 1,600. GMass made up 14.4% of all email tracking tool searches we track, and Mailbutler accounted for 1%. When we asked ChatGPT and Google AI Overviews about email tracking tools, Mailbutler appeared in two of the five answers and GMass in none.

Among email tracking tools worldwide in September 2026

Who do people search for more?

GMass, about 14 searches for every 1 for Mailbutler

GMass 22.2K searchesMailbutler 1.6K searches

Who does AI mention more?

Mailbutler, mentioned in 2 of 5 answers, GMass in 0

Mailbutler in 2 of 5GMass in 0 of 5

Who does AI recommend more?

Mailbutler, the only one of the two named

Mailbutler first in 2GMass never named

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Top email tracking tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Mailbutler was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. GMass did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Mailbutler1st
  2. GMass–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Mailbutler2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • GMass0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about email tracking tools

5 answers

  • Asked ChatGPT

    “What's the best email tracking tool?”

    1. 5Mailbutler

  • Asked ChatGPT

    “How can I see if someone opened my email in Gmail?”

    1. Asked ChatGPT

      “Which email tracker do salespeople use?”

      1. Searched Google, AI Overview

        “email tracker”

        1. Searched Google, AI Overview

          “gmail email tracker”

          1. 2Mailbutler

        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 27, 2026.

        Is GMass or Mailbutler more popular in search?

        This chart shows how often people search Google for GMass and Mailbutler by name. Each line represents a brand's share of searches for all seven email tracking tools we track, month by month, from English-language searches worldwide.

        GMass and Mailbutler among email tracking tools worldwide, by month

        Share of searches by month for GMass, Mailbutler. The figures are in the table below the chart.

        View monthly share of searches table
        MonthGMassMailbutler
        Nov 202514.5%1.9%
        Dec 202513.1%1.7%
        Jan 202617.9%1.9%
        Feb 202614.9%1.6%
        Mar 202617.1%1.5%
        Apr 202618.1%1.6%
        May 202615.5%1.1%
        Jun 202613.1%3.9%
        Jul 202614.2%1.2%
        Aug 202613.8%4.1%
        Sep 202614.4%1%
        Oct 2026——

        How has branded search for GMass and Mailbutler changed worldwide over the last 12 months?

        3 findings
        • GMass was ahead of Mailbutler in every measured month of the 11 months ending September 2026.
        • Across the 11 months ending September 2026, GMass’ share of searches among email tracking tools worldwide moved from 14.5% to 14.4%, and its estimated monthly branded searches moved from 27.1K to 22.2K.
        • Across the 11 months ending September 2026, Mailbutler’s share of searches among email tracking tools worldwide moved from 1.9% to 1%, and its estimated monthly branded searches moved from 3.6K to 1.6K.

        How did search popularity change for email tracking tools worldwide in September 2026?

        2 changes

        1. In September 2026, GMass gained share of searches among email tracking tools worldwide, from 13.8% to 14.4%.

        2. In September 2026, Mailbutler lost share of searches among email tracking tools worldwide, from 4.1% to 1%.

        How are GMass’ and Mailbutler’s branded searches counted?

        2 search terms

        Brandwave collects information about searches that people make online using GMass’ and Mailbutler’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.

        GMass

        1 branded search term

        • gmass

        Mailbutler

        1 branded search term

        • mailbutler

        How the Brand Demand Index is measured

        Creator with pink hair and a pink jacket

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