QuillBot vs Spinbot vs GPTZero vs Paraphraser.io

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

Your tool
QuillBot
vs
Competitor 1
Spinbot
Competitor 2
GPTZero
Competitor 3
Paraphraser.io
Compare
4 tools · best value per row highlighted
Your tool QuillBot
quillbot.com
Rephrase until it sounds right
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Competitor Spinbot
spinbot.com
SpinBot is a free online article spinner and paraphrasing tool that rewrites readable text into new wording.
Make main 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
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Competitor Paraphraser.io
paraphraser.io
Paraphraser.io rewrites text with AI so the same idea comes out in different words.
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Traffic estimated monthly website traffic
Monthly visits
31.4Mvisits/mo
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11Mvisits/mo
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MoM change
▼ 8.4%
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6-month growth
-27.9%
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Global rank web
#1,318
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Avg. last 3 months
36.7M
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11M
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Bounce rate lower is better
46%
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Pages / visit
5.5
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Visit duration
2m 52s
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Traffic sources
● Direct 76% · ● Referral 22%
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QuillBotSpinbotGPTZeroParaphraser.io
014.9M29.9M44.8M59.8MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MGPTZero · 11M10M100MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MGPTZero · 11MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Paid
Starting price
$19.95per month · free tier available
Free
$12.99per month · free tier available
$3.96per month
Free tier
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Free trial
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API access
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Plans
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Free FreePremium $12.99/moProfessional $24.99/mo
Silver $4.55/moGold $9.55/moDiamond $47.52/yr
Capabilities input → output
Input
ImagesTextDocuments
Text
TextDocuments
AudioDocumentsImagesText
Output
TextSlidesImagesDocuments
Text
TextData
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+5 more
Writing & ContentAI Grammar CheckerAI Rewriter
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyWriting & ContentAI RewriterHumanizer AI
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
4
7
6
Paraphrasing
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Grammar checking
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Detection
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Plagiarism detection
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Writing
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AI authorship detection
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Content detection
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Hallucination detection
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Summarizing
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Synonyms
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Content authenticity verification
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Document summarization
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Essay shortening
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Language refinement
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Phrase variation
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Professional rephrasing
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Proofreading
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Undetectable content writing
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Word suggestion
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 2
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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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.