RankDude
Updated 11/02/2026 · next update 12/01/2026

AI Grammar Checker Industry Report, October 2026

Miles FosterOwner and tester, RankDude

The market▼ Shrinkingbut name searches are up 90% since October 2025

Visits, year on year, without Claude
-24%
Visits, last six months
+2.5%
Name searches vs October 2025
+90%

Every key number on the AI grammar checker market for October 2026, dated and sourced, so you can quote it. The 21 sites I measure got about 78 million visits from Google, 8% more than a year ago, and the five most-visited sites took 83.8% of them.

Below: every figure in one table, the most-visited sites, who grew and who shrank and what I expect for November 2026.

Published 2 November 2026. Data from DataForSEO, Tranco and Ahrefs · free to quote with a link · not a ranking

AI grammar checker industry report: the key numbers for October 2026

Four numbers for October 2026. Visits mean visits from Google search to the 21 tracked sites. Tap one for the detail below.

1Every figure in one table

Measure

  • Search visits a month, all tracked sites, worldwide
    Value
    78,192,141
    Period and basis
    October 2026; +8.1% year on year, -1.6% month on month
  • Search visits a month, United States
    Value
    11,431,684
    Period and basis
    October 2026; +3.7% year on year
  • US share of worldwide search visits
    Value
    14.6%
    Period and basis
    October 2026
  • Brand-name searches a month, US, all counted brands
    Value
    13,919,790
    Period and basis
    September 2026; +89.8% against October 2025
  • Brand-name searches a month, worldwide
    Value
    80,259,680
    Period and basis
    September 2026; +229.3% against October 2025
  • Searches a month for “ai grammar checker”, US
    Value
    14,800
    Period and basis
    Google Ads, 12-month average
  • Searches a month for “ai grammar checker”, worldwide
    Value
    40,500
    Period and basis
    Google Ads, 12-month average
  • Referring domains, all tracked sites
    Value
    454,296
    Period and basis
    October 2026; first reading, no year-on-year figure yet
  • Share of worldwide visits held by the five most-visited sites
    Value
    83.8%
    Period and basis
    October 2026
  • Share held by the ten most-visited sites
    Value
    96%
    Period and basis
    October 2026
  • Tracked sites on Google's first page for “ai grammar checker”, US
    Value
    0
    Period and basis
    October 2026; positions 1 to 10
  • Tracked sites ranking anywhere for “ai grammar checker”, US
    Value
    1
    Period and basis
    October 2026; any position checked

2How many people visited

In plain words: These sites got more visits from Google than a year ago (+8%), and October 2026 was about the same as September 2026 (-2%). Claude gained more visits on its own than the whole market gained in a year. Without it, visits would be down 24.4% on a year ago instead of up 8.1%.

WorldVisits a month to AI grammar checker sites, worldwide

025M50M75M100MNov 24Jan 25Mar 25May 25Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jul 26Oct 2678M
Low 38MHigh 79MAverage 70M
Hover, tap, or use the arrow keys to inspect a month

Source: DataForSEO, Google search visits, all tracked sites.

Miles explains

Judge this line on the year, not the last dot: visits are 8% above a year ago, and 2% below the September 2026 high. One site winning or losing a ranking can swing a single month a lot.

3How many people went looking

People typed a site’s name into Google 90% more often than in October 2025 (+90%). That is the loyalty number: nobody types a name by accident.

USSearches a month for the site names, United States

05.0M10M15M20MOct 25Dec 25Feb 26Apr 26Jun 26Sep 2614M
Low 5.5MHigh 14MAverage 9.5M
Hover, tap, or use the arrow keys to inspect a month

US searches a month for the counted brand names, summed. Google Ads data via DataForSEO, to September 2026.

Miles explains

Name searches are the number I trust most. They are up 90%, and nobody types a site’s name by accident, so this shows more people coming back on purpose.

4Where the visitors live

About 15 of every 100 visits come from the United States. Outside the US I measure 7 countries one by one; the largest is India.

USShare of visits that come from the US (%)

05101520Nov 24Jan 25Mar 25May 25Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jul 26Oct 2614.6
Low 11.4High 17.8Average 16
Hover, tap, or use the arrow keys to inspect a month

US share of worldwide search visits, month by month.

Country

  • India
    Search visits a month
    11,814,827
    Share of the measured countries
    56%
  • United Kingdom
    Search visits a month
    2,869,699
    Share of the measured countries
    13.6%
  • Canada
    Search visits a month
    2,274,152
    Share of the measured countries
    10.8%
  • Australia
    Search visits a month
    1,379,662
    Share of the measured countries
    6.5%
  • France
    Search visits a month
    1,175,413
    Share of the measured countries
    5.6%
  • Germany
    Search visits a month
    828,004
    Share of the measured countries
    3.9%
  • Brazil
    Search visits a month
    759,926
    Share of the measured countries
    3.6%

Source: DataForSEO, October 2026.

Miles explains

The US is the biggest single market, but only about 15 in every 100 visits. India alone is 56% of the countries measured outside it.

5The most-visited sites

Claude gets the most visits, Claude is the name people search for most, and Engram is the highest-placed tracked site on Google for “ai grammar checker”, at position 11. The five most-visited sites take 83.8% of all visits.

By worldwide search visits

By US brand-name searches

Miles explains

The five most-visited sites take 83.8% of all visits. When one of them gains or loses a big ranking, the whole market total moves with it.

6Who grew and who shrank

The fastest grower in a year was Claude (+319%); the steepest fall was at Wordtune (-85%). Big swings are usually one site winning or losing one Google ranking.

Growing

  • Claude
    A year ago
    6,849,250
    Now
    28,705,332
    Change
    +319%
  • Harper
    A year ago
    6,791
    Now
    25,649
    Change
    +278%
  • Linguix
    A year ago
    1,100,831
    Now
    1,696,091
    Change
    +54%
  • ZeroGPT
    A year ago
    8,374,330
    Now
    10,113,046
    Change
    +21%
  • Trinka
    A year ago
    369,554
    Now
    444,396
    Change
    +20%
  • Sapling
    A year ago
    891,572
    Now
    1,027,702
    Change
    +15%
  • GrammarCheck.ai
    A year ago
    116,981
    Now
    119,203
    Change
    +2%
  • Ginger
    A year ago
    1,774,429
    Now
    1,795,220
    Change
    +1%

Declining

  • Wordtune
    A year ago
    667,095
    Now
    100,329
    Change
    -85%
  • Hemingway
    A year ago
    230,263
    Now
    54,429
    Change
    -76%
  • Ahrefs
    A year ago
    5,325,924
    Now
    1,879,377
    Change
    -65%
  • Wordvice AI
    A year ago
    4,368,056
    Now
    2,456,452
    Change
    -44%
  • LanguageTool
    A year ago
    4,192,551
    Now
    2,421,312
    Change
    -42%
  • ProWritingAid
    A year ago
    2,982,627
    Now
    1,738,220
    Change
    -42%
  • WhiteSmoke
    A year ago
    25,864
    Now
    16,447
    Change
    -36%
  • Paperpal
    A year ago
    1,133,380
    Now
    733,563
    Change
    -35%

Worldwide search visits, October 2026 against a year earlier; sites with at least 5,000 visits a year ago.

To cite this report: RankDude, “AI Grammar Checker Industry Report, October 2026”, published 2 November 2026, https://rankdude.ai/statistics/ai-grammar-checker/industry-report. Figures are estimates from the sources named beside them.