Shortlist by what you need
Start here if you know why you are leaving Sentence Rewriter.
Want the closest match?
WriteHumanMost similar to Sentence Rewriter in what it does, its category and its price.
Visit (opens WriteHuman in a new tab)Need a free plan?
GrammarlyHas a free plan, rated 4.6 out of 5.
Visit (opens Grammarly in a new tab)Want the lowest price?
Paraphraser.ioFrom $7/mo, the lowest starting price here.
Visit (opens Paraphraser.io in a new tab)Want the best rated?
QuillBotRated 4.5 out of 5 in our review, against 3.3 for Sentence Rewriter.
Visit (opens QuillBot in a new tab)
At a glance
Green means better than Sentence Rewriter, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 Sentence RewriterBaseline | 3.3 | Free | Yes | A free paraphraser that does not sell itself on beating AI detectors. | |
| WriteHuman | 3.7+0.4 | $12/mo | No | WriteHuman rewrites AI-generated text to read as human-written and pass leading AI detectors. | vs Sentence Rewriter |
| Paraphraser.io | 4.0+0.7 | $7/mo | Yes | Paraphrasing tool with six rewriting modes and built-in plagiarism and grammar checks. | vs Sentence Rewriter |
 GPTinf | 3.5+0.2 | $19/mo | No | A paraphrasing engine that rewrites AI-generated text to read as human-written. | vs Sentence Rewriter |
 StealthWriter | 2.9−0.4 | $20/mo | Yes | Rewrites AI-generated text to defeat AI detectors, and ships a detector to check the result. | vs Sentence Rewriter |
 Netus AI | 3.6+0.3 | $30/mo | Yes | AI paraphrasing and humanizing tool that rewrites text to read as human-written and pass AI detection. | vs Sentence Rewriter |
 Undetectable AI | 3.2−0.1 | Free | Yes | Detects AI content across text, image, audio and video, and also rewrites text to evade detection. | vs Sentence Rewriter |
| Grammarly | 4.6+1.3 | $12/mo | Yes | The writing assistant almost everyone has already used | vs Sentence Rewriter |
| QuillBot | 4.5+1.2 | $10/mo | Yes | Started as a paraphraser, grew into a full writing suite | vs Sentence Rewriter |
The alternatives in detail
In order of how closely each one matches Sentence Rewriter.
WriteHuman
3.7$12/mo
vs Sentence Rewriter+0.4
WriteHuman rewrites AI-generated text to read as human-written and pass leading AI detectors.
- Sentence-level rewriting rather than word-for-word substitution
- Built-in AI-detection scoring before and after humanizing
- Published HumanizerBench comparing bypass rates against competitors
Publishes benchmarked bypass-rate comparisons instead of only self-reported claims
No persistent free plan, only a time-limited trial
Paraphraser.io
4.0$7/mo
vs Sentence Rewriter+0.7
Paraphrasing tool with six rewriting modes and built-in plagiarism and grammar checks.
- Six paraphrasing modes from subtle rewording to creative rewriting
- Image and screenshot text extraction before rewriting
- Built-in plagiarism checker and grammar correction
Entry price undercuts most subscription paraphrasing tools
Name collision with the similarly branded Paraphrasing.io causes buyer confusion
GPTinf
3.5$19/mo
vs Sentence Rewriter+0.2
A paraphrasing engine that rewrites AI-generated text to read as human-written.
- Rewrites AI-generated text using a non-AI algorithm targeting perplexity and burstiness
- Eight distinct rewrite modes for different tone and style outcomes
- Built-in AI detector that scores text for AI-pattern probability
Addresses detection and rewriting in one interface instead of two separate tools
Independent tests have shown it failing to bypass detectors like GPTZero in some cases
StealthWriter
2.9$20/mo
vs Sentence Rewriter−0.4
Rewrites AI-generated text to defeat AI detectors, and ships a detector to check the result.
- AI humanizer with light, medium and aggressive modes
- Bundled AI detector to verify the output
- Deep Scan sentence-by-sentence analysis
Sentence-level control rather than one blanket rewrite
Its purpose is defeating detection, and students are the first audience named
Netus AI
3.6$30/mo
vs Sentence Rewriter+0.3
AI paraphrasing and humanizing tool that rewrites text to read as human-written and pass AI detection.
- AI Detection Bypasser that rewrites flagged text to read as human-written
- Paraphrasing engine covering 36 languages with adjustable tone and style
- Built-in AI content detector for checking text before publishing
Free Starter tier lets new users test output quality before paying
Reported team size is tiny (around one employee), raising questions about long-term support capacity
Undetectable AI
3.2Free
vs Sentence Rewriter−0.1
Detects AI content across text, image, audio and video, and also rewrites text to evade detection.
- AI text detection with flagged sections
- Image, audio and video AI detection
- Fake PDF detector
Detection across image, audio and video, not just text
Ships a humanizer for evading detection, with students among named users
Grammarly
4.6$12/mo
vs Sentence Rewriter+1.3
The writing assistant almost everyone has already used.
- Real-time grammar, spelling, and punctuation checks
- Tone detection and clarity rewrite suggestions
- GrammarlyGO generative drafting and rewriting
Free tier is genuinely useful long-term, not just a trial
Generative features feel bolted onto an older core product
QuillBot
4.5$10/mo
vs Sentence Rewriter+1.2
Started as a paraphraser, grew into a full writing suite.
- Multi-mode sentence and paragraph paraphrasing
- Grammar and clarity checking
- Text summarizer for long source material
Paraphrasing engine is genuinely strong and the tool's original focus
Heavy student association raises academic-integrity questions
FAQ
Questions people ask
Is Sentence Rewriter free?
Sentence Rewriter has a free plan.
What is the best free alternative to Sentence Rewriter?
Grammarly is the highest-rated alternative here with a free plan (4.6 out of 5). Other free options: QuillBot, Paraphraser.io, Netus AI.
What is the cheapest alternative to Sentence Rewriter?
Among paid plans, Paraphraser.io has the lowest starting price (from $7/mo). If you need it free, start with Grammarly.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.