Decision Support · Side-by-side
Compare pricing, strengths, and use cases so it is easier to pick the right fit.
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For most everyday users, Check-Plagiarism AI Detector wins on value and ease of use with its cheap plans and combined plagiarism+AI detection, while AI Detector by TextNavigator is a specialized tool for professionals who need deep forensic analysis of Claude/Gemini outputs and can tolerate a restrictive free tier. The single biggest difference: Check-Plagiarism gives you a practical all-in-one checker for under $5/week, whereas TextNavigator targets enterprise users who need low false positives and heatmap reports.
AI Detector by TextNavigator
Check-Plagiarism AI Detector
Scores at a glance
Choose AI Detector by TextNavigator if
Choose Check-Plagiarism AI Detector if
Key differences
Facts side by side
| AI Detector by TextNavigator | Check-Plagiarism AI Detector | |
|---|---|---|
| Free plan | ||
| Mobile app | ||
| API access |
Common questions
No, Check-Plagiarism is better for student essays because it's cheaper, has a free tier, and checks both plagiarism and AI in one scan. TextNavigator is overkill and harder to set up for casual use.
No, neither tool has a mobile app. You can use Check-Plagiarism's website on a phone browser, but the interface is cluttered with ads on the free version.
Check-Plagiarism's free plan lets guests scan up to 1,000 words with ads, while TextNavigator's free tier is very restrictive on word count. Check-Plagiarism is more usable for free.
TextNavigator has an extremely low false-positive rate, so it's less likely to flag your writing. Check-Plagiarism can have false positives, especially on academic citations.
TextNavigator is better for high-volume business use because of its fast API response times and low false positives, but you'll need to contact sales for pricing. Check-Plagiarism has no API listed.
Check-Plagiarism AI Detector wins for everyday users with its cheap plans and dual plagiarism+AI detection, while TextNavigator is a niche tool for pros who need low false positives on specific AI models.
If you're a student, blogger, or just want a cheap, easy way to check if something is AI-written or plagiarized, go with Check-Plagiarism AI Detector — it's affordable, has a free trial, and does both jobs in one go. If you're a professional who needs rock-solid accuracy on Claude/Gemini content and can handle a more complex setup, AI Detector by TextNavigator is worth a look, but be ready to contact sales for pricing.
Detail pages: AI Detector by TextNavigator · Check-Plagiarism AI Detector
