QuillBot vs GPTZero vs Grammarly

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

Your tool
QuillBot
vs
Competitor 1
GPTZero
Competitor 2
Grammarly
Competitor 3
Suggested competitors for QuillBot: Wordtune88% Originality.AI84% Undetectable AI84% StealthGPT82% WriteHuman82% Scribbr Plagiarism Checker82% LanguageTool82% Paraphraser.io82%
Compare
3 tools · best value per row highlighted
Your tool QuillBot
quillbot.com
Rephrase until it sounds right
Remove
Competitor GPTZero
gptzero.me
Used by over 10 million teachers and students across more than 100 countries, GPTZero detects AI-generated text across major language models while providing a suite of writing verification tools
Make main Remove
Competitor Grammarly
grammarly.com
Writing confidence that follows you everywhere
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
31.4Mvisits/mo
11Mvisits/mo
49.3Mvisits/mo
MoM change
▼ 8.4%
—
▲ 10.8%
6-month growth
-27.9%
—
-22.5%
Global rank web
#1,318
—
#688
Avg. last 3 months
36.7M
11M
46.5M
Bounce rate lower is better
46%
—
40%
Pages / visit
5.5
—
7.8
Visit duration
2m 52s
—
4m 41s
Traffic sources
● Direct 76% · ● Referral 22%
—
● Direct 85% · ● Referral 9%
QuillBotGPTZeroGrammarly
015.9M31.8M47.7M63.6MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MGPTZero · 11MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3M10M100MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MGPTZero · 11MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$19.95per month · free tier available
$12.99per month · free tier available
$12per month · free tier available
Free tier
Free trial
–
–
API access
–
–
Plans
—
Free FreePremium $12.99/moProfessional $24.99/mo
Free FreePro Custom/moEnterprise Custom/mo
Capabilities input → output
Input
DocumentsImagesText
DocumentsText
Text
Output
DocumentsImagesSlidesText
DataText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+5 more
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+4 more
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
9
7
6
Plagiarism detection
Detection
Grammar checking
Paraphrasing
–
Writing
–
Proofreading
–
AI authorship detection
–
–
Content detection
–
–
Hallucination detection
–
–
Summarizing
–
–
Content authenticity verification
–
–
Document summarization
–
–
Undetectable content writing
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 2
▲ 1
▲ 1
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
–
–
–

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.