How popular isGrammarly?
In September 2026, people searched for Grammarly by name about 5.1 million times worldwide, a 33.4% decrease from the previous year. These searches made up 61.8% of all global plagiarism checker searches, placing Grammarly first out of seven checkers. When we asked both ChatGPT and Google AI Overviews about plagiarism checkers, Grammarly appeared in four of the five answers and was the second most recommended of the seven.
Grammarly is the most searched of 7 competitors and the second most recommended in AI answers.
GrammarlyShare of searches 61.8%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd
TurnitinShare of searches 27.7%Mentioned in 3 of 5 AI answersPlace in AI recommendations 5th
ScribbrShare of searches 6.8%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
CopyleaksShare of searches 3%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th- QuetextShare of searches 0.41%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd
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Top plagiarism checkers in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Grammarly was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Grammarly is the second most recommended of the seven.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Scribbr5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Grammarly4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Quetext4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Turnitin3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Copyleaks3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- PlagScan0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Unicheck0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about plagiarism checkers
5 answers
Asked ChatGPT
“Which plagiarism checker should I use?”
Asked ChatGPT
“What are the best plagiarism checkers?”
Asked ChatGPT
“What's the best plagiarism checker for copy checking?”
Searched Google, AI Overview
“plagiarism checkers”
Searched Google, AI Overview
“ai plagiarism checker”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Which plagiarism checkers compete with Grammarly?
Share of searches by month for Grammarly, Turnitin, Scribbr, Copyleaks. The figures are in the table below the chart.
View monthly share of searches table
| Month | Grammarly | Turnitin | Scribbr | Copyleaks | Quetext | PlagScan | Unicheck |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 64.4% | 23.6% | 8.6% | 2.6% | 0.43% | 0.29% | 0.09% |
| Nov 2025 | 57.2% | 31.3% | 7.7% | 2.8% | 0.57% | 0.31% | 0.14% |
| Dec 2025 | 61% | 27.3% | 8.2% | 2.5% | 0.49% | 0.33% | 0.12% |
| Jan 2026 | 64.3% | 23.5% | 8.7% | 2.6% | 0.43% | 0.35% | 0.08% |
| Feb 2026 | 68.5% | 20.5% | 7.5% | 2.8% | 0.37% | 0.3% | 0.07% |
| Mar 2026 | 64.1% | 23.4% | 8.6% | 3.2% | 0.42% | 0.23% | 0.08% |
| Apr 2026 | 61.3% | 27.4% | 6.7% | 3.7% | 0.5% | 0.22% | 0.12% |
| May 2026 | 56.8% | 31.1% | 7.6% | 3.4% | 0.56% | 0.25% | 0.14% |
| Jun 2026 | 52.8% | 35.3% | 7.1% | 3.9% | 0.52% | 0.29% | 0.09% |
| Jul 2026 | 62.1% | 27.8% | 5.6% | 3.7% | 0.5% | 0.27% | 0.05% |
| Aug 2026 | 65.9% | 24.2% | 5.9% | 3.2% | 0.44% | 0.24% | 0.04% |
| Sep 2026 | 61.8% | 27.7% | 6.8% | 3% | 0.41% | 0.18% | 0.07% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 61.8% | 5M | +22.2% | -4.1 points | |
| 2, held 2nd | 27.7% | 2.2M | +49.3% | +3.5 points | |
| 3, held 3rd | 6.8% | 550K | +49.5% | +0.9 points | |
| 4, held 4th | 3% | 246K | +22.4% | -0.2 points | |
| 5, held 5th | 0.41% | 33.1K | +22.1% | 0 points | |
| 6, held 6th | 0.18% | 14.8K | 0% | -0.1 points | |
| 7, held 7th | 0.07% | 5.4K | +125% | 0 points |
61.8%
Held 1st. 5M estimated branded searches, +22.2% vs prior month. Share -4.1 points.
2.
Turnitin27.7%
Held 2nd. 2.2M estimated branded searches, +49.3% vs prior month. Share +3.5 points.
3.
Scribbr6.8%
Held 3rd. 550K estimated branded searches, +49.5% vs prior month. Share +0.9 points.
3%
Held 4th. 246K estimated branded searches, +22.4% vs prior month. Share -0.2 points.
5.Quetext
0.41%
Held 5th. 33.1K estimated branded searches, +22.1% vs prior month. Share 0 points.
6.
PlagScan0.18%
Held 6th. 14.8K estimated branded searches, 0% vs prior month. Share -0.1 points.
7.
Unicheck0.07%
Held 7th. 5.4K estimated branded searches, +125% vs prior month. Share 0 points.
Compare popularity between Grammarly and its closest rivals
Every comparison with Grammarly
23 comparisons
- Grammarly vs QuillBot
- Grammarly vs Turnitin
- Grammarly vs Scribbr
- Grammarly vs LanguageTool
- Copyleaks vs Grammarly
- Grammarly vs Monica
- Grammarly vs Merlin
- Ginger vs Grammarly
- Grammarly vs ProWritingAid
- Grammarly vs Wordtune
- Grammarly vs Quetext
- Grammarly vs Hemingway Editor
- Grammarly vs Sider
- Grammarly vs PlagScan
- Grammarly vs Harpa
- Grammarly vs Unicheck
- Grammarly vs MaxAI
- Copy.ai vs Grammarly
- Grammarly vs Jasper
- Grammarly vs Rytr
- Grammarly vs Sudowrite
- Grammarly vs Writesonic
- Grammarly vs Perplexity
How has branded search demand for Grammarly changed worldwide over the last 12 months?
3 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for Grammarly worldwide fell from 7.6M to 5.1M.
- Across the 12 months ending September 2026, Grammarly’s share of searches among plagiarism checkers worldwide decreased from 64.4% to 61.8%.
- Across the 12 months ending September 2026, Grammarly’s share of searches among plagiarism checkers worldwide peaked at 68.5% in February 2026 and was lowest at 52.8% in June 2026.
How did search popularity change for plagiarism checkers worldwide in September 2026?
6 changes
In September 2026, Turnitin gained share of searches among plagiarism checkers worldwide, from 24.2% to 27.7%.
In September 2026, Scribbr gained share of searches among plagiarism checkers worldwide, from 5.9% to 6.8%.
In September 2026, Grammarly lost share of searches among plagiarism checkers worldwide, from 65.9% to 61.8%.
Copyleaks’ share of searches among plagiarism checkers worldwide has lost ground for 3 months in a row, from 3.9% to 3% in September 2026.
Estimated monthly branded searches for PlagScan worldwide fell 55.3% over 12 measured months, from 33.1K to 14.8K in September 2026.
Estimated monthly branded searches for Unicheck worldwide fell 45.5% over 12 measured months, from 9.9K to 5.4K in September 2026.
How are Grammarly’s branded searches counted?
8 search terms
Brandwave collects information about searches that people make online using Grammarly’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.
- grammar grammarly
- grammarly
- grammarly app
- grammarly chrome extension
- grammarly extension
- grammarly software
- grammarly writing assistant
- writing assistant grammarly
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Where does Grammarly compete?
| Competitor set | Rank | Share of searches | Ranking |
|---|---|---|---|
| Writing assistants | 1st of 8 | 45.5% | Show ranking |
| Plagiarism checkers | 1st of 7 | 61.8% | Shown above |
| AI writing assistants | 7th of 7 | 0.01% | Show ranking |
| AI browser extensions | 2nd of 7 | 24.6% | Show ranking |
Is Grammarly 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.