QuillBot vs ZeroGPT Plus vs Undetectable AI
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
QuillBot
vs
QuillBot
Competitor 1
ZeroGPT Plus
ZeroGPT Plus
Competitor 2
Undetectable AI
Undetectable AI
Competitor 3
Suggested competitors for QuillBot:
Grammarly92%
Wordtune88%
GPTZero86%
Originality.AI84%
Scribbr Plagiarism Checker82%
WriteHuman82%
StealthGPT82%
LanguageTool82%
Grammarly92%
Wordtune88%
GPTZero86%
Originality.AI84%
Scribbr Plagiarism Checker82%
WriteHuman82%
StealthGPT82%
LanguageTool82%
Compare
3 tools · best value per row highlighted
Competitor
ZeroGPT Plus
ZeroGPT Plus
zerogpt.plus
ZeroGPT Plus can detect if text came from AI with high accuracy
Competitor
Undetectable AI
Undetectable AI
undetectable.ai
Undetectable AI bundles an AI text detector, an AI humanizer and an AI image detector into one account.
Traffic estimated monthly website traffic
Monthly visits
31.4Mvisits/mo
92.5Kvisits/mo
—
MoM change
▼ 8.4%
▼ 14.1%
—
6-month growth
-27.9%
+100.2%
—
Global rank web
#1,318
#383,365
—
Avg. last 3 months
36.7M
85.7K
—
Bounce rate lower is better
46%
38%
—
Pages / visit
5.5
1.9
—
Visit duration
2m 52s
21s
—
Traffic sources
● Direct 76% · ● Referral 22%
● Direct 92% · ● Referral 4%
—
QuillBotZeroGPT PlusUndetectable AI
Pricing
Model
Freemium
Freemium
Paid
Starting price
$19.95per month · free tier available
$9.9per month · free tier available
$5per month
Free tier
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Free trial
–
–
API access
–
–
Plans
—
—
10K words $5/mo20K words $9.50/mo35K words $15.75/mo50K words $21.25/mo+1 more
Capabilities input → output
Input
DocumentsImagesText
DocumentsText
DocumentsImagesText
Output
DocumentsImagesSlidesText
Text
DataText
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
9
4
10
Detection
AI authorship detection
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Content detection
–
Plagiarism detection
–
Undetectable content writing
–
Paraphrasing
–
–
Text humanization
–
–
Grammar checking
–
–
Humanizing AI text
–
–
Image authenticity analysis
–
–
Summarizing
–
–
Writing
–
–
Audio detection
–
–
Document summarization
–
–
Edited image detection
–
–
Proofreading
–
–
Text enhancement
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 2
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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–
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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.