Shortlist by what you need
Start here if you know why you are leaving QuillBot.
Want the closest match?
WriterBuddyMost similar to QuillBot in what it does, its category and its price.
Visit (opens WriterBuddy in a new tab)Need a free plan?
SmodinHas a free plan, rated 4.2 out of 5.
Visit (opens Smodin in a new tab)Want to pay less than QuillBot?
Paraphraser.ioFrom $7/mo, against from $10/mo for QuillBot.
Visit (opens Paraphraser.io in a new tab)Want the best rated?
LanguageToolRated 4.0 out of 5 in our review, against 4.5 for QuillBot.
Visit (opens LanguageTool in a new tab)
At a glance
Green means better than QuillBot, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 QuillBotBaseline | 4.5 | $10/mo | Yes | Started as a paraphraser, grew into a full writing suite | |
| WriterBuddy | 3.7−0.8 | Free | Yes | 40+ academic writing tools in one place - co-writer, plagiarism checker, citation generator (MLA/APA/Chicago), ChatPDF - across 25+ languages. | vs QuillBot |
| Paraphraser.io | 4.0−0.5 | $7/mo$3 less | Yes | Paraphrasing tool with six rewriting modes and built-in plagiarism and grammar checks. | vs QuillBot |
| Smodin | 4.2−0.3 | $10/moSame price | Yes | A grab-bag of writing utilities rather than one flagship feature | vs QuillBot |
 ReWrite It.AI | 2.9−1.6 | $9.99/moSame price | Yes | Paraphrase, summarize, and grammar-check your emails, essays, and social posts across multiple languages - a free tier covers up to 250 words. | vs QuillBot |
 JustDone | 2.7−1.8 | Not listed | No | Eleven student writing tools, two of which cancel each other out. | vs QuillBot |
 Undetectable AI | 3.2−1.3 | Free | Yes | Detects AI content across text, image, audio and video, and also rewrites text to evade detection. | vs QuillBot |
 AImReply | 3.7−0.8 | $9.95/mo$0.05 less | Yes | An AI email writer that drafts four toned, ready-to-send replies from a short prompt. | vs QuillBot |
| LanguageTool | 4.0−0.5 | Free | Yes | Multilingual grammar, style and tone checking with a paraphrasing tool, free to use and open source at its core. | vs QuillBot |
The alternatives in detail
In order of how closely each one matches QuillBot.
WriterBuddy
3.7Free
vs QuillBot−0.8
40+ academic writing tools in one place - co-writer, plagiarism checker, citation generator (MLA/APA/Chicago), ChatPDF - across 25+ languages.
- Co-Writer: brainstorming, autocomplete, grammar checking
- Citation generator: MLA, APA, Chicago formats
- Plagiarism checker and AI content detector
Covers the full academic writing workflow, not just drafting
40+ tools means real exploration to find the right one for a task
Paraphraser.io
4.0$7/mo
vs QuillBot$3 less−0.5
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
Smodin
4.2$10/mo
vs QuillBotSame price−0.3
A grab-bag of writing utilities rather than one flagship feature.
- Multi-mode paraphrasing tool
- AI content detector
- Plagiarism checker
Covers many unrelated writing tasks in one account
No single feature matches dedicated specialist tools
ReWrite It.AI
2.9$9.99/mo
vs QuillBotSame price−1.6
Paraphrase, summarize, and grammar-check your emails, essays, and social posts across multiple languages - a free tier covers up to 250 words.
- AI paraphrasing, summarization, and grammar checking
- Automatic detection and correction of grammar, spelling, and style issues
- Multiple templates for different writing types
Free tier available to try before paying
Free tier is quite limited at 250 words
JustDone
2.7Not listed
vs QuillBot−1.8
Eleven student writing tools, two of which cancel each other out.
- Plagiarism checker and citation generator
- Summariser, paraphraser and grammar checker
- AI chat that reads PDFs and websites
Most of the toolkit is ordinary, useful study software
Ships an AI humanizer beside an AI detector, defeating both
Undetectable AI
3.2Free
vs QuillBot−1.3
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
AImReply
3.7$9.95/mo
vs QuillBot$0.05 less−0.8
An AI email writer that drafts four toned, ready-to-send replies from a short prompt.
- Drafts 4 tone/style variations per prompt instead of a single output
- 12 selectable tones and 3 length presets
- 17-language support for drafting and replies
Free tier requires no account creation, lowering friction to try it
Free tier capped at 15 generations a day on the smaller GPT-4o Mini model
LanguageTool
4.0Free
vs QuillBot−0.5
Multilingual grammar, style and tone checking with a paraphrasing tool, free to use and open source at its core.
- Grammar, spelling and style checking across many languages
- Tone guidance alongside correctness
- Paraphrasing tool
Genuinely multilingual rather than English-first
Advanced rewriting and paraphrasing sit behind Premium
FAQ
Questions people ask
Is QuillBot free?
QuillBot has a free plan, and paid plans start from $10/mo.
What is the best free alternative to QuillBot?
Smodin is the highest-rated alternative here with a free plan (4.2 out of 5). Other free options: Paraphraser.io, LanguageTool, WriterBuddy.
What is the cheapest alternative to QuillBot?
Among paid plans, Paraphraser.io has the lowest starting price (from $7/mo). If you need it free, start with Smodin.
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.