Shortlist by what you need
Start here if you know why you are leaving AIssistify.
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GPT Humanizer AIMost similar to AIssistify in what it does, its category and its price.
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DecheckerHas a free plan, rated 3.7 out of 5.
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MyDetectorFrom $6.99/mo, the lowest starting price here.
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Netus AIRated 3.6 out of 5 in our review, against 3.5 for AIssistify.
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At a glance
Green means better than AIssistify, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 AIssistifyBaseline | 3.5 | Free | Yes | Inspects a draft for hidden character artifacts and AI-style tells, shows the evidence, then rewrites toward your own voice. | |
| GPT Humanizer AI | 2.7−0.8 | $9.99/mo | Yes | Rejects the invisible-character tricks, and still sells what its name sells. | vs AIssistify |
| MyDetector | 2.4−1.1 | $6.99/mo | Yes | Sells the AI detector and the tool for defeating it from the same navigation bar. | vs AIssistify |
 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 AIssistify |
 StealthWriter | 2.9−0.6 | $20/mo | Yes | Rewrites AI-generated text to defeat AI detectors, and ships a detector to check the result. | vs AIssistify |
| Netus AI | 3.6+0.1 | $30/mo | Yes | AI paraphrasing and humanizing tool that rewrites text to read as human-written and pass AI detection. | vs AIssistify |
 GPTinf | 3.5Same | $19/mo | No | A paraphrasing engine that rewrites AI-generated text to read as human-written. | vs AIssistify |
| Dechecker | 3.7+0.2 | Free | Yes | Sentence-level AI detection across ChatGPT, Claude and Gemini output, paired with one-click humanization rewrites. | vs AIssistify |
 JustDone | 2.7−0.8 | Not listed | No | Eleven student writing tools, two of which cancel each other out. | vs AIssistify |
The alternatives in detail
In order of how closely each one matches AIssistify.
GPT Humanizer AI
2.7$9.99/mo
vs AIssistify−0.8
Rejects the invisible-character tricks, and still sells what its name sells.
- Three rewriting depths across 11 languages
- 8 writing style options
- Explicitly avoids hidden characters and typo insertion
Refuses the invisible-character tricks several competitors use silently
Ships an AI detector beside the humanizer, defeating both
MyDetector
2.4$6.99/mo
vs AIssistify−1.1
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
Undetectable AI
3.2Free
vs AIssistify−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
StealthWriter
2.9$20/mo
vs AIssistify−0.6
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 AIssistify+0.1
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
GPTinf
3.5$19/mo
vs AIssistifySame
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
Dechecker
3.7Free
vs AIssistify+0.2
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
JustDone
2.7Not listed
vs AIssistify−0.8
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
FAQ
Questions people ask
Is AIssistify free?
AIssistify has a free plan.
What is the best free alternative to AIssistify?
Dechecker is the highest-rated alternative here with a free plan (3.7 out of 5). Other free options: Netus AI, Undetectable AI, StealthWriter.
What is the cheapest alternative to AIssistify?
Among paid plans, MyDetector has the lowest starting price (from $6.99/mo). If you need it free, start with Dechecker.
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.