Brandwave

How popular isMerlin in search?

In September 2026, there were an estimated 60.5K branded searches for Merlin worldwide which is down 33.1% over the last 12 months. Merlin holds 30.8% estimated Share of Search among AI browser extensions worldwide and is ranked 2nd of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, September 2026
  1. Monica46%
  2. Merlin30.8%
  3. Sider16.8%
  4. Harpa4.1%
  5. MaxAI2.2%
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Which AI browser extensions compete with Merlin?

Merlin against AI browser extensions worldwide, by month

Share of Search by month for Monica, Merlin, Sider, Harpa, MaxAI. The figures are in the table below the chart.

View monthly share of search table
MonthMonicaMerlinSiderHarpaMaxAI
Oct 202542.4%28.4%23.3%3.8%2.1%
Nov 202541.6%28%22.9%4.6%3.1%
Dec 202545.9%25.1%20.6%5%3.4%
Jan 202643.1%28.8%19.3%5.8%3.1%
Feb 202653%23.8%15.9%4.8%2.6%
Mar 202655.7%20.4%16.7%5%2.2%
Apr 202647.3%26%17.4%6.4%2.8%
May 202645.6%25.1%20.5%6.1%2.7%
Jun 202645.1%30.2%16.5%4.9%3.3%
Jul 202647.5%31.7%14.2%4.2%2.3%
Aug 202647.5%31.7%14.2%4.2%2.3%
Sep 202646%30.8%16.8%4.1%2.2%

  1. 1.Monica

    46%

    Held 1st. 90.5K estimated branded searches, 0% vs prior month. Share -1.4 points.

  2. 2.Merlin

    30.8%

    Held 2nd. 60.5K estimated branded searches, 0% vs prior month. Share -1 points.

  3. 3.Sider

    16.8%

    Held 3rd. 33.1K estimated branded searches, +22.1% vs prior month. Share +2.6 points.

  4. 4.Harpa

    4.1%

    Held 4th. 8.1K estimated branded searches, 0% vs prior month. Share -0.1 points.

  5. 5.MaxAI

    2.2%

    Held 5th. 4.4K estimated branded searches, 0% vs prior month. Share -0.1 points.

Compare search popularity between Merlin and its closest rivals

Every comparison with Merlin

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

  • Across the 12 months ending September 2026, estimated monthly branded searches for Merlin worldwide fell from 90.5K to 60.5K.
  • Across the 12 months ending September 2026, Merlin’s estimated Share of Search among AI browser extensions worldwide increased from 28.4% to 30.8%.
  • Across the 12 months ending September 2026, Merlin’s estimated Share of Search among AI browser extensions worldwide peaked at 31.7% in July 2026 and was lowest at 20.4% in March 2026.

How did search popularity change for AI browser extensions worldwide in September 2026?

  1. In September 2026, Sider gained estimated Share of Search among AI browser extensions worldwide, from 14.2% to 16.8%.

  2. In September 2026, Monica lost estimated Share of Search among AI browser extensions worldwide, from 47.5% to 46%.

  3. In September 2026, Merlin lost estimated Share of Search among AI browser extensions worldwide, from 31.7% to 30.8%.

  4. Estimated monthly branded searches for MaxAI worldwide fell 33.3% over 12 measured months, from 6.6K to 4.4K in September 2026.

  5. Estimated monthly branded searches for Harpa worldwide fell 33.1% over 12 measured months, from 12.1K to 8.1K in September 2026.

How is Merlin measured?

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

1 branded search term

  • merlin ai

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How the Brand Demand Index is measured

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