Undetectable AI vs QuillBot vs Scribbr Plagiarism Checker

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

Your tool
Undetectable AI
vs
Competitor 1
QuillBot
Competitor 2
Scribbr Plagiarism Checker
Competitor 3
Compare
3 tools · best value per row highlighted
Your tool Undetectable AI
undetectable.ai
Undetectable AI bundles an AI text detector, an AI humanizer and an AI image detector into one account.
Competitor QuillBot
quillbot.com
Rephrase until it sounds right
Competitor Scribbr Plagiarism Checker
scribbr.com
Scribbr Plagiarism Checker compares a document with a database of 99 billion web pages and 8 million publications and shows where the text matches existing sources.
Traffic estimated monthly website traffic
Monthly visits
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31.4Mvisits/mo
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MoM change
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▼ 8.4%
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6-month growth
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-27.9%
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Global rank web
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#1,318
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Avg. last 3 months
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36.7M
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Bounce rate lower is better
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46%
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Pages / visit
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5.5
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Visit duration
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2m 52s
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Traffic sources
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● Direct 76% · ● Referral 22%
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Undetectable AIQuillBotScribbr Plagiarism Checker
014.9M29.9M44.8M59.8MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4M10M100MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Paid
Freemium
Free
Starting price
$5per month
$19.95per month · free tier available
Free
Free tier
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Free trial
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API access
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Plans
10K words $5/mo20K words $9.50/mo35K words $15.75/mo50K words $21.25/mo+1 more
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Free check Free
Capabilities input → output
Input
DocumentsImagesText
DocumentsImagesText
DocumentsText
Output
DataText
DocumentsImagesSlidesText
Documents
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
10
9
5
Detection
Plagiarism detection
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AI authorship detection
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Grammar checking
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Undetectable content writing
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Content detection
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Paraphrasing
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Text humanization
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Humanizing AI text
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Image authenticity analysis
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Summarizing
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Writing
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Academic citation
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Audio detection
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Document summarization
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Edited image detection
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Proofreading
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Text enhancement
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 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.