Shortlist by what you need
Start here if you know why you are leaving Smodin.
Want the closest match?
QuillBotMost similar to Smodin in what it does, its category and its price.
Visit (opens QuillBot in a new tab)Need a free plan?
RytrHas a free plan, rated 4.1 out of 5.
Visit (opens Rytr in a new tab)Want to pay less than Smodin?
Paraphraser.ioFrom $7/mo, against from $10/mo for Smodin.
Visit (opens Paraphraser.io in a new tab)Want the best rated?
WriterBuddyRated 3.7 out of 5 in our review, against 4.2 for Smodin.
Visit (opens WriterBuddy in a new tab)
At a glance
Green means better than Smodin, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 SmodinBaseline | 4.2 | $10/mo | Yes | A grab-bag of writing utilities rather than one flagship feature | |
| QuillBot | 4.5+0.3 | $10/moSame price | Yes | Started as a paraphraser, grew into a full writing suite | vs Smodin |
| WriterBuddy | 3.7−0.5 | Free | Yes | 40+ academic writing tools in one place - co-writer, plagiarism checker, citation generator (MLA/APA/Chicago), ChatPDF - across 25+ languages. | vs Smodin |
 Plagiarisma | 3.2−1.0 | Free | Yes | Free online plagiarism checker with an AI content detector, an AI paraphrasing tool and an AI essay writer. | vs Smodin |
 Undetectable AI | 3.2−1.0 | Free | Yes | Detects AI content across text, image, audio and video, and also rewrites text to evade detection. | vs Smodin |
 JustDone | 2.7−1.5 | Not listed | No | Eleven student writing tools, two of which cancel each other out. | vs Smodin |
 Charley AI | 2.7−1.5 | Free | Yes | AI writing companion for students - essay generation, citation finding, lecture summarization and style matching, used by 550,000+ students. Also pairs a plagiarism detector with plagiarism removal. | vs Smodin |
| Paraphraser.io | 4.0−0.2 | $7/mo$3 less | Yes | Paraphrasing tool with six rewriting modes and built-in plagiarism and grammar checks. | vs Smodin |
| Rytr | 4.1−0.1 | $7.5/mo$2.5 less | Yes | Stripped-down, low-cost, and fast for short drafts | vs Smodin |
The alternatives in detail
In order of how closely each one matches Smodin.
QuillBot
4.5$10/mo
vs SmodinSame price+0.3
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
WriterBuddy
3.7Free
vs Smodin−0.5
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
Plagiarisma
3.2Free
vs Smodin−1.0
Free online plagiarism checker with an AI content detector, an AI paraphrasing tool and an AI essay writer.
- Plagiarism check against web sources, books and academic papers
- 190+ languages and uploads in a dozen file formats
- AI Content Detector for machine-written text
Free to use, with no paid plan shown on the pages reviewed
No model, limits or accuracy figures are given for the AI tools
Undetectable AI
3.2Free
vs Smodin−1.0
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
JustDone
2.7Not listed
vs Smodin−1.5
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
Charley AI
2.7Free
vs Smodin−1.5
AI writing companion for students - essay generation, citation finding, lecture summarization and style matching, used by 550,000+ students. Also pairs a plagiarism detector with plagiarism removal.
- AI essay generation and expansion
- Automatic citation generation
- Lecture and video summarization
Citation generation and lecture summarization are genuine, uncontroversial study aids
Pairs a plagiarism detector with plagiarism removal in the same product - a self-defeating combination
Paraphraser.io
4.0$7/mo
vs Smodin$3 less−0.2
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
Rytr
4.1$7.5/mo
vs Smodin$2.5 less−0.1
Stripped-down, low-cost, and fast for short drafts.
- 40+ short-form use-case templates
- Adjustable tone across each template
- 30+ language support
Genuinely low-cost relative to the rest of the category
No brand voice or team collaboration features
FAQ
Questions people ask
Is Smodin free?
Smodin has a free plan, and paid plans start from $10/mo.
What is the best free alternative to Smodin?
QuillBot is the highest-rated alternative here with a free plan (4.5 out of 5). Other free options: Rytr, Paraphraser.io, WriterBuddy.
What is the cheapest alternative to Smodin?
Among paid plans, Paraphraser.io has the lowest starting price (from $7/mo). If you need it free, start with QuillBot.
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.