Grammarly
AI
Writing assistant and AI editor
Broader grammar and tone assistant that also includes paraphrasing, a common QuillBot companion or swap.
Grammar and clarity checks
Tone detection
Generative rewrites
Freemium · from $0
QuillBot
AI tool
Paraphrasing, grammar and citations
4.2
Freemium · from $9.95/mo
Best for Students and researchersOverview
QuillBot combines a paraphraser, grammar checker, summariser and citation generator in one affordable suite. Students and researchers are its core audience.
Key features
- Paraphraser
- Grammar checker
- Summariser
- Citation generator
Pros
- Cheap
- Strong paraphrasing
- Useful for research
Cons
- Output can sound flat
- Ads on free plan
QuillBot screenshot
Captured from the official website
QuillBot replaces
AI alternatives to QuillBot
Wordtune
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Similar AI rewriting and tone-adjustment tool, often compared directly against QuillBot for paraphrasing quality.
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Tone control
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Paraphraser.io
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Free online paraphrasing tool
Free, no-login paraphrasing tool for casual users who don't want QuillBot's account/paywall friction.
Multiple paraphrasing modes
No login required for basic use
Plagiarism checker add-on
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ProWritingAid
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Adds deep style/report analysis beyond paraphrasing, appealing to QuillBot users who also want editing depth.
20+ writing reports
Style and pacing analysis
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Spinbot
Classic
Free article and text rewriter
Simple free text spinner, the honest bare-bones non-AI-branded alternative for basic rewrite needs.
Free unlimited basic spinning
No account required
Simple synonym-based rewriting
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ChatGPT
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AI that can analyze your data and write code
Many users now just prompt ChatGPT to paraphrase text, replacing dedicated tools like QuillBot entirely.
Natural language data queries
Automatic chart generation
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