Brandwave

How popular isFastmail?

In September 2026, people searched for Fastmail by name about 310,000 times worldwide, a 78.2% increase from the previous year. These searches made up 0.05% of all global email provider searches, placing Fastmail sixth out of seven providers. When we asked both ChatGPT and Google AI Overviews about email providers, Fastmail appeared in three of the five answers and was the fourth most recommended of the seven.

Search and AI answers in September 2026

Fastmail is the sixth most searched of 7 competitors and the fourth most recommended in AI answers.

  1. GmailShare of searches 63.1%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
  2. OutlookShare of searches 23.6%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
  3. Yahoo MailShare of searches 12.7%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  4. Zoho MailShare of searches 0.42%Mentioned in 1 of 5 AI answersPlace in AI recommendations 6th
  5. FastmailShare of searches 0.05%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th

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Top email providers in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Fastmail was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Fastmail is the fourth most recommended of the seven.

Most recommended by AI

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

  1. Gmail1st
  2. Proton Mail2nd
  3. Outlook3rd
  4. Fastmail4th
  5. iCloud5th
  6. Zoho Mail6th
  7. Yahoo Mail–

Mentioned by AI

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

  • Gmail4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Proton Mail4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Outlook3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • iCloud3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Fastmail3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Zoho Mail1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Yahoo Mail0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about email providers

5 answers

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 19, 2026.

Which email providers compete with Fastmail?

Fastmail against email providers worldwide, by month

Share of searches by month for Gmail, Outlook, Yahoo Mail, Fastmail. The figures are in the table below the chart.

View monthly share of searches table
MonthGmailOutlookYahoo MailZoho MailiCloudFastmailProton Mail
Oct 202561.4%22.9%15%0.5%0.18%0.02%<0.01%
Nov 202556.6%25.9%16.9%0.38%0.21%0.02%<0.01%
Dec 202556.6%25.9%16.9%0.38%0.21%0.02%<0.01%
Jan 202656.5%26%16.9%0.37%0.22%0.03%<0.01%
Feb 202659.9%24.7%14.7%0.4%0.19%0.02%<0.01%
Mar 202661.4%23%15%0.33%0.19%0.02%<0.01%
Apr 202661.4%23%15%0.41%0.18%0.02%<0.01%
May 202656.5%26%16.9%0.37%0.21%0.03%<0.01%
Jun 202658%24%17.3%0.47%0.21%0.03%<0.01%
Jul 202661.1%23.1%15%0.5%0.19%0.03%<0.01%
Aug 202659.8%24.8%14.7%0.48%0.19%0.03%<0.01%
Sep 202663.1%23.6%12.7%0.42%0.19%0.05%<0.01%
  1. 1.Gmail

    63.1%

    Held 1st. 414M estimated branded searches, +22.5% vs prior month. Share +3.2 points.

  2. 2.Outlook

    23.6%

    Held 2nd. 155M estimated branded searches, +10.8% vs prior month. Share -1.2 points.

  3. 3.Yahoo Mail

    12.7%

    Held 3rd. 83.1M estimated branded searches, 0% vs prior month. Share -2 points.

  4. 4.Zoho Mail

    0.42%

    Held 4th. 2.7M estimated branded searches, 0% vs prior month. Share -0.1 points.

  5. 5.iCloud

    0.19%

    Held 5th. 1.2M estimated branded searches, +16.6% vs prior month. Share 0 points.

  6. 6.Fastmail

    0.05%

    Held 6th. 301K estimated branded searches, +82.4% vs prior month. Share 0 points.

  7. 7.Proton Mail

    <0.01%

    Held 7th. 320 estimated branded searches, +23.1% vs prior month. Share 0 points.

Compare popularity between Fastmail and its closest rivals

Every comparison with Fastmail

8 comparisons

How has branded search demand for Fastmail changed worldwide over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Fastmail worldwide rose from 174K to 310K.
  • Across the 12 months ending September 2026, Fastmail’s share of searches among email providers worldwide held steady, from 0.02% to 0.05%.

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

6 changes
  1. In September 2026, Gmail gained share of searches among email providers worldwide, from 59.8% to 63.1%.

  2. In September 2026, Yahoo Mail lost share of searches among email providers worldwide, from 14.7% to 12.7%.

  3. In September 2026, Outlook lost share of searches among email providers worldwide, from 24.8% to 23.6%.

  4. Estimated monthly branded searches for Proton Mail worldwide rose 128.6% over 12 measured months, from 140 to 320 in September 2026.

  5. Estimated monthly branded searches for Fastmail worldwide rose 82.4% over 12 measured months, from 165K to 301K in September 2026.

  6. Estimated monthly branded searches for Zoho Mail worldwide fell 18.2% over 12 measured months, from 3.4M to 2.7M in September 2026.

How are Fastmail’s branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Fastmail’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • email fastmail
  • fastmail
  • fastmail app

Do you work for Fastmail? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Where does Fastmail compete?

Fastmail is ranked in two competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
Email providers6th of 70.05%Shown above
Email hosting providers5th of 51.9%Show ranking
Creator with pink hair and a pink jacket

Is Fastmail your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.