Shortlist by what you need
Start here if you know why you are leaving MyDetector.
Want the closest match?
Undetectable AIMost similar to MyDetector in what it does, its category and its price.
Visit (opens Undetectable AI in a new tab)Need a free plan?
Originality.AIHas a free plan, rated 4.5 out of 5.
Visit (opens Originality.AI in a new tab)Want the best rated?
DecheckerRated 3.7 out of 5 in our review, against 2.4 for MyDetector.
Visit (opens Dechecker in a new tab)
At a glance
Green means better than MyDetector, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 MyDetectorBaseline | 2.4 | $6.99/mo | Yes | Sells the AI detector and the tool for defeating it from the same navigation bar. | |
| Undetectable AI | 3.2+0.8 | Free | Yes | Detects AI content across text, image, audio and video, and also rewrites text to evade detection. | vs MyDetector |
 Netus AI | 3.6+1.2 | $30/mo$23.01 more | Yes | AI paraphrasing and humanizing tool that rewrites text to read as human-written and pass AI detection. | vs MyDetector |
| Dechecker | 3.7+1.3 | Free | Yes | Sentence-level AI detection across ChatGPT, Claude and Gemini output, paired with one-click humanization rewrites. | vs MyDetector |
 AIssistify | 3.5+1.1 | Free | Yes | Inspects a draft for hidden character artifacts and AI-style tells, shows the evidence, then rewrites toward your own voice. | vs MyDetector |
 StealthWriter | 2.9+0.5 | $20/mo$13.01 more | Yes | Rewrites AI-generated text to defeat AI detectors, and ships a detector to check the result. | vs MyDetector |
| Originality.AI | 4.5+2.1 | $12.95/mo$5.96 more | Yes | An AI and plagiarism detector built for publishers who need to verify content before it goes live | vs MyDetector |
 GPTinf | 3.5+1.1 | $19/mo$12.01 more | No | A paraphrasing engine that rewrites AI-generated text to read as human-written. | vs MyDetector |
 JustDone | 2.7+0.3 | Not listed | No | Eleven student writing tools, two of which cancel each other out. | vs MyDetector |
The alternatives in detail
In order of how closely each one matches MyDetector.
Undetectable AI
3.2Free
vs MyDetector+0.8
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
Netus AI
3.6$30/mo
vs MyDetector$23.01 more+1.2
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
Dechecker
3.7Free
vs MyDetector+1.3
Sentence-level AI detection across ChatGPT, Claude and Gemini output, paired with one-click humanization rewrites.
- Sentence-level AI detection across ChatGPT, Claude and Gemini output
- One-click humanization rewrite suggestions
- Bulk file upload and batch analysis
Sentence-level flagging is more actionable than one whole-document score
AI detectors carry real false-positive/false-negative rates industry-wide
AIssistify
3.5Free
vs MyDetector+1.1
Inspects a draft for hidden character artifacts and AI-style tells, shows the evidence, then rewrites toward your own voice.
- Detects zero-width spaces and mixed-script lookalike characters
- Flags stylistic cues that read as machine-generated
- Reviewable evidence behind every flag
Hidden-character detection also works on documents you receive, not just your own
The rewriting capability overlaps with tools sold for evading AI detection
StealthWriter
2.9$20/mo
vs MyDetector$13.01 more+0.5
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
Originality.AI
4.5$12.95/mo
vs MyDetector$5.96 more+2.1
An AI and plagiarism detector built for publishers who need to verify content before it goes live.
- AI content detection independently benchmarked for accuracy against competing detectors
- Live-web plagiarism checking rather than a static, outdated reference database
- Bundled fact-checking, grammar review, and readability scoring in the same platform
Accuracy claims are independently benchmarked rather than only self-reported
No unlimited free tier; the free AI checker is capped at a small word count
GPTinf
3.5$19/mo
vs MyDetector$12.01 more+1.1
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
JustDone
2.7Not listed
vs MyDetector+0.3
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
FAQ
Questions people ask
Is MyDetector free?
MyDetector has a free plan, and paid plans start from $6.99/mo.
What is the best free alternative to MyDetector?
Originality.AI is the highest-rated alternative here with a free plan (4.5 out of 5). Other free options: Dechecker, Netus AI, AIssistify.
What is the cheapest alternative to MyDetector?
Among paid plans, Originality.AI has the lowest starting price (from $12.95/mo). If you need it free, start with Originality.AI.
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.