Shortlist by what you need
Start here if you know why you are leaving StealthWriter.
Want the closest match?
Undetectable AIMost similar to StealthWriter in what it does, its category and its price.
Visit (opens Undetectable AI in a new tab)Need a free plan?
ProofWrite AIHas a free plan, rated 3.9 out of 5.
Visit (opens ProofWrite AI in a new tab)Want to pay less than StealthWriter?
MyDetectorFrom $6.99/mo, against from $20/mo for StealthWriter.
Visit (opens MyDetector in a new tab)Want the best rated?
DecheckerRated 3.7 out of 5 in our review, against 2.9 for StealthWriter.
Visit (opens Dechecker in a new tab)
At a glance
Green means better than StealthWriter, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 StealthWriterBaseline | 2.9 | $20/mo | Yes | Rewrites AI-generated text to defeat AI detectors, and ships a detector to check the result. | |
| Undetectable AI | 3.2+0.3 | Free | Yes | Detects AI content across text, image, audio and video, and also rewrites text to evade detection. | vs StealthWriter |
| ProofWrite AI | 3.9+1.0 | $9.99/mo$10.01 less | Yes | Rewrites AI text and checks it against seven detectors, all in one pass | vs StealthWriter |
| Dechecker | 3.7+0.8 | Free | Yes | Sentence-level AI detection across ChatGPT, Claude and Gemini output, paired with one-click humanization rewrites. | vs StealthWriter |
| MyDetector | 2.4−0.5 | $6.99/mo$13.01 less | Yes | Sells the AI detector and the tool for defeating it from the same navigation bar. | vs StealthWriter |
 AIssistify | 3.5+0.6 | Free | Yes | Inspects a draft for hidden character artifacts and AI-style tells, shows the evidence, then rewrites toward your own voice. | vs StealthWriter |
 JustDone | 2.7−0.2 | Not listed | No | Eleven student writing tools, two of which cancel each other out. | vs StealthWriter |
 Sentence Rewriter | 3.3+0.4 | Free | Yes | A free paraphraser that does not sell itself on beating AI detectors. | vs StealthWriter |
 WordAi | 3.0+0.1 | $27/mo$7 more | No | Rewrites an article into up to a thousand variations, in bulk, through an API. | vs StealthWriter |
The alternatives in detail
In order of how closely each one matches StealthWriter.
Undetectable AI
3.2Free
vs StealthWriter+0.3
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
ProofWrite AI
3.9$9.99/mo
vs StealthWriter$10.01 less+1.0
Rewrites AI text and checks it against seven detectors, all in one pass.
- Built-in verification against named AI detectors including Turnitin, GPTZero, and Copyleaks
- Eight distinct writing modes tuned to context, including Academic, Formal, and Blog
- Meaning-preservation keeping original facts and citations intact
Detector verification built into the same workflow, not a separate tool
More words per month require a paid plan
Dechecker
3.7Free
vs StealthWriter+0.8
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
MyDetector
2.4$6.99/mo
vs StealthWriter$13.01 less−0.5
Sells the AI detector and the tool for defeating it from the same navigation bar.
- Free AI detection on pasted or uploaded content
- Detection report with per-section breakdown
- Sample texts including a mixed AI-and-human case
Provides a mixed AI-and-human sample, the realistic disputed case
Sells an AI Humanizer to defeat the detector it also sells
AIssistify
3.5Free
vs StealthWriter+0.6
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
JustDone
2.7Not listed
vs StealthWriter−0.2
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
Sentence Rewriter
3.3Free
vs StealthWriter+0.4
A free paraphraser that does not sell itself on beating AI detectors.
- Rewriting across multiple tone and style modes
- Adjustable output length
- Up to 600 words per rewrite
Does not market itself on defeating AI detectors, unlike its peers
600 words suits a passage, not a document
WordAi
3.0$27/mo
vs StealthWriter$7 more+0.1
Rewrites an article into up to a thousand variations, in bulk, through an API.
- Sentence restructuring with meaning preserved
- Up to 1,000 variations per article
- Bulk rewriting and downloading
Bulk and API access for pipeline use rather than one-off editing
Advertises passing AI detection and Copyscape, aimed at checkers not readers
FAQ
Questions people ask
Is StealthWriter free?
StealthWriter has a free plan, and paid plans start from $20/mo.
What is the best free alternative to StealthWriter?
ProofWrite AI is the highest-rated alternative here with a free plan (3.9 out of 5). Other free options: Dechecker, AIssistify, Sentence Rewriter.
What is the cheapest alternative to StealthWriter?
Among paid plans, MyDetector has the lowest starting price (from $6.99/mo). If you need it free, start with ProofWrite 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.