Grammarly vs QuillBot vs ProWritingAid

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Grammarly
vs
Competitor 1
QuillBot
Competitor 2
ProWritingAid
Competitor 3
Suggested competitors for Grammarly: GPTZero88% Wordtune86% Originality.AI86% Copyleaks85% Undetectable AI85% Scribbr Plagiarism Checker83% StealthGPT82% LanguageTool82%
Compare
3 tools · best value per row highlighted
Your tool Grammarly
grammarly.com
Writing confidence that follows you everywhere
Remove
Competitor QuillBot
quillbot.com
Rephrase until it sounds right
Make main Remove
Competitor ProWritingAid
prowritingaid.com
ProWritingAid is a writing toolkit built around the full path of a book, from first idea to publication.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
49.3Mvisits/mo
31.4Mvisits/mo
—
MoM change
▲ 10.8%
▼ 8.4%
—
6-month growth
-22.5%
-27.9%
—
Global rank web
#688
#1,318
—
Avg. last 3 months
46.5M
36.7M
—
Bounce rate lower is better
40%
46%
—
Pages / visit
7.8
5.5
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Visit duration
4m 41s
2m 52s
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Traffic sources
● Direct 85% · ● Referral 9%
● Direct 76% · ● Referral 22%
—
GrammarlyQuillBotProWritingAid
015.9M31.8M47.7M63.6MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4M10M100MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$12per month · free tier available
$19.95per month · free tier available
€10per month · free tier available
Free tier
Free trial
–
–
API access
–
–
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Plans
Free FreePro Custom/moEnterprise Custom/mo
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Free FreePremium €30/moPremium Pro €36/mo
Capabilities input → output
Input
Text
DocumentsImagesText
Text
Output
Text
DocumentsImagesSlidesText
Text
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Categories
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+4 more
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+5 more
Writing & ContentAI Book WritingAI Grammar CheckerAI Writing Assistants
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
9
5
Grammar checking
Paraphrasing
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Writing
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Plagiarism detection
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Detection
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Proofreading
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Book writing
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–
Book editing
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Summarizing
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Writing outlines
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Novels
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Document summarization
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–
Undetectable content writing
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 2
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.