Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features.
Backgrounder records 19,971 monthly visits with +151.6% month-over-month growth and Freemium, Free pricing. GPTZero records 23,246,989 monthly visits with +32.5% growth and Freemium, Paid pricing.

Ask Carmen whether that link, text, or email is a scam
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | backgrounder.com | gptzero.me |
| Pricing Model | Freemium, Free | Freemium, Paid |
| Monthly Visits | 19.97K (19,971) | 23.25M (23,246,989) |
| MoM Traffic Delta |
| +12.03K (+151.6%) |
| +5.7M (+32.5%) |
| Primary Market & Share | 🇺🇸 United States (100%) | 🇺🇸 United States (54%) |
|---|
| Direct Visits / mo | 7.94K | 7.53M |
|---|
| User Rating | 4.1 | 4.1 |
|---|
| Supported Platforms | Website | Website |
|---|

Ask Carmen whether that link, text, or email is a scam
Paste a text, email, link, phone number, screenshot, or company name and get a risk verdict with the specific red flags and recommended action in under a minute.
Checks pages as you browse and warns about lookalike or freshly registered domains before you type a password, with on-device redaction of personal data.
Reviews inbound mail for fake invoices, changed bank details, and executive impersonation, holding suspicious messages for review with the reason attached.
Screens texts from unknown senders, including ones your phone filtered, and evaluates links and payment requests typical of parcel and bank scams.
AI detection and writing verification built for schools and editors
Paste text or upload a document and get an overall AI probability score plus a sentence-by-sentence breakdown of which parts look machine-written.
Flags AI text from major model families including ChatGPT, Gemini, Claude, Llama, and others, rather than training for a single model.
A Chrome extension and Google Docs add-on bring scanning into Gmail, Docs, Classroom, and other surfaces you already work in.
Checks content for copied passages from outside sources so you can separate AI-generation questions from originality questions.
Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features.

SpecialistCombines AI detection with professional human proofreading and citation tools, but functions primarily as an editing service.
#2SpecialistCombines AI detection with robust text humanization tools, but focuses more heavily on rewriting than pure verification.

Provides robust enterprise-grade content integrity and cross-media detection, but can be more expensive for individual users.


Delivers strong fact-checking and comprehensive site-wide plagiarism audits, but has stricter paywalls than GPTZero.

Provides detailed sentence-level analysis for multilingual text, but lacks GPTZero's broad academic brand recognition.

Excels at scanning both text and images with high accuracy, but offers fewer free daily checks than GPTZero.

Free AI detector with sentence-level insight and a humanizer
AI detector that highlights evidence, not just a score

SpecialistTailors detection specifically for academic institutions and LMS integrations, but is less optimized for casual web users.

SpecialistHumanize AI text and check it against AI detectors

SpecialistCheck plagiarism, detect AI text and polish your writing in one place
Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features.
SpecialistCombines AI detection with professional human proofreading and citation tools, but functions primarily as an editing service.
SpecialistCombines AI detection with robust text humanization tools, but focuses more heavily on rewriting than pure verification.
Provides robust enterprise-grade content integrity and cross-media detection, but can be more expensive for individual users.
Delivers strong fact-checking and comprehensive site-wide plagiarism audits, but has stricter paywalls than GPTZero.
Provides detailed sentence-level analysis for multilingual text, but lacks GPTZero's broad academic brand recognition.
Excels at scanning both text and images with high accuracy, but offers fewer free daily checks than GPTZero.
Free AI detector with sentence-level insight and a humanizer
AI detector that highlights evidence, not just a score
SpecialistTailors detection specifically for academic institutions and LMS integrations, but is less optimized for casual web users.
SpecialistHumanize AI text and check it against AI detectors
SpecialistCheck plagiarism, detect AI text and polish your writing in one place