GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. WriteVoice records 13,362 monthly visits with -17.7% growth and freemium pricing.
AI detection and writing verification built for schools and editors
AI dictation that turns messy speech into polished, ready-to-send text
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gptzero.me | writevoice.io |
| Pricing Model | Freemium, Paid | freemium |
| Monthly Visits | 23.25M (23,246,989) | 13.36K (13,362) |
| MoM Traffic Delta | +5.7M (+32.5%) | -2.88K (-17.7%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (48.2%) |
| Direct Visits / mo | 7.53M | 5.35K |
| User Rating | 4.1 | 4.2 |
| Supported Platforms | Website | Website |
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.
AI dictation that turns messy speech into polished, ready-to-send text
Installs as a custom keyboard on iOS and works in WhatsApp, Slack, iMessage, Notes, Notion and anywhere else you can type; matching Mac and web apps keep everything in sync.
Removes filler words, fixes grammar and structures rambling speech into readable paragraphs, bullets, to-do lists and action plans.
Adjusts the register of your text based on the app you are in, shifting between professional LinkedIn style, casual chat and formal business email.
Shorten, expand, fix grammar, emojify or otherwise remix a draft instantly without retyping it.
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace
Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features.
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 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.
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.
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.
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.
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.
Excels at scanning both text and images with high accuracy, but offers fewer free daily checks than GPTZero.
AI detector that highlights evidence, not just a score
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.
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
SpecialistHumanize AI text and check it against AI detectors
SpecialistCheck plagiarism, detect AI text and polish your writing in one place
SpecialistCheck plagiarism, detect AI text and polish your writing in one place
