Scribbr Plagiarism Checker vs Undetectable AI vs Trinka AI

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

Your tool
Scribbr Plagiarism Checker
vs
Competitor 1
Undetectable AI
Competitor 2
Trinka AI
Competitor 3
Suggested competitors for Scribbr Plagiarism Checker: Turnitin83% Copyleaks83% GPTZero82% Grammarly81% Pangram Labs80% Dechecker AI80% Winston AI80% ZeroGPT77%
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3 tools · best value per row highlighted
Your tool 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.
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Competitor Undetectable AI
undetectable.ai
Undetectable AI bundles an AI text detector, an AI humanizer and an AI image detector into one account.
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Competitor Trinka AI
trinka.ai
Trinka is an AI writing assistant and grammar checker aimed at academic and technical writing.
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Traffic estimated monthly website traffic
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6-month growth
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Bounce rate lower is better
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Pricing
Model
Free
Paid
Free
Starting price
Free
$5per month
Free
Free tier
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Free trial
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API access
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Plans
Free check Free
10K words $5/mo20K words $9.50/mo35K words $15.75/mo50K words $21.25/mo+1 more
Basic FreePremium Custom/moPremium Plus Custom/moConfidential Data Custom
Capabilities input → output
Input
DocumentsText
DocumentsImagesText
DocumentsText
Output
Documents
DataText
DocumentsText
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+1 more
AI Detection & SafetyAI DetectorAI Image DetectorHumanizer AI
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+3 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
10
12
Detection
Grammar checking
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Plagiarism detection
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AI authorship detection
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Content detection
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Text humanization
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Academic writing
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Humanizing AI text
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Image authenticity analysis
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Paraphrasing
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Proofreading
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Undetectable content writing
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Writing
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Academic citation
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Academic editing
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Academic grammar improvement
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Audio detection
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Citation formatting
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Citation verification
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Document translation
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Edited image detection
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Text enhancement
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Community on aitoolstime
Rating
no ratings yet
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Upvotes
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Saves
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Reviews
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Prompts
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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.