Brandwave

Grammarly vs ProWritingAid:Which is searched more?

In September 2026, ProWritingAid had more branded searches than Grammarly among writing assistants worldwide. ProWritingAid was estimated to have 33.1K branded searches compared to Grammarly’s 590, and held a 0.65% Share of Search versus Grammarly’s 0.01%. These are worldwide searches for English-language branded terms.

Share of Search among writing assistants worldwide in September 2026Which is more popular in search, Grammarly or ProWritingAid?
Grammarly0.01%590 searches
vs
ProWritingAid0.65%33.1K searches
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Which is more popular in search, Grammarly or ProWritingAid?

Compare the grammar and AI writing tools people write. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

Grammarly and ProWritingAid among writing assistants worldwide, by month

Share of Search by month for ProWritingAid, Grammarly. The figures are in the table below the chart.

View monthly share of search table
MonthQuillBotHemingway EditorProWritingAidGrammarlyWordtune
Oct 202598.8%0.54%0.65%0.01%<0.01%
Nov 202598.9%0.54%0.54%0.01%<0.01%
Dec 202598.7%0.65%0.65%0.01%<0.01%
Jan 202698.5%0.8%0.65%0.01%0%
Feb 202698.5%0.8%0.65%0.01%<0.01%
Mar 202698.7%0.65%0.65%0.01%<0.01%
Apr 202698.7%0.65%0.65%0.01%0%
May 202698.7%0.65%0.65%0.01%<0.01%
Jun 202698.7%0.65%0.65%<0.01%<0.01%
Jul 202698.4%0.8%0.8%0.01%0%
Aug 202698.7%0.65%0.65%<0.01%0%
Sep 202698.7%0.65%0.65%0.01%0%

How has the Grammarly and ProWritingAid comparison changed over the last 12 months?

  • ProWritingAid was ahead of Grammarly in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Grammarly’s estimated Share of Search among writing assistants worldwide held steady at 0.01%, and its estimated monthly branded searches moved from 1K to 590.
  • Across the 12 months ending September 2026, ProWritingAid’s estimated Share of Search among writing assistants worldwide held steady at 0.65%, and its estimated monthly branded searches moved from 60.5K to 33.1K.

How did search popularity change for writing assistants worldwide in September 2026?

  1. Estimated monthly branded searches for ProWritingAid worldwide fell 45.3% over 12 measured months, from 60.5K to 33.1K in September 2026.

  2. Estimated monthly branded searches for Grammarly worldwide fell 41% over 12 measured months, from 1K to 590 in September 2026.

How each brand is measured

Brandwave collects information about searches that people make online using Grammarly’s and ProWritingAid’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.

Grammarly

1 branded search term

  • grammar grammarly

ProWritingAid

1 branded search term

  • prowritingaid

How the Brand Demand Index is measured

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