GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. Holo records 303,805 monthly visits with +44.8% growth and Paid pricing.
AI detection and writing verification built for schools and editors
Your whole marketing department, on autopilot
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gptzero.me | tryholo.ai |
| Pricing Model | Freemium, Paid | Paid |
| Monthly Visits | 23.25M (23,246,989) | 303.81K (303,805) |
| MoM Traffic Delta | +5.7M (+32.5%) | +94.03K (+44.8%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (34.2%) |
| Direct Visits / mo | 7.53M | 119.68K |
| User Rating | 4.1 | 4.4 |
| 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.
Your whole marketing department, on autopilot
Holo reads your website and past content to lock in a consistent brand voice across every channel.
Set a goal once and it plans, writes, schedules, and publishes ads, socials, emails, and SEO content daily.
Suggestions arrive as pre-drafted cards you approve, edit, or regenerate from your phone in one tap.
Covers Meta ads, email flows, social calendars, and search content, with 1,000+ integrations available.
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.
SpecialistAI-assisted email and SMS marketing that turns audiences into customers
SpecialistAI-assisted email and SMS marketing that turns audiences into customers
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.
SpecialistThe AI-powered B2C CRM for email, SMS, and personalized marketing at scale
SpecialistThe AI-powered B2C CRM for email, SMS, and personalized marketing at scale
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.
SpecialistAI ad generator for video and image creatives at scale
SpecialistAI ad generator for video and image creatives at scale
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
More powerful enterprise content workflows and brand voice training, but significantly higher pricing and less lightweight.
More powerful enterprise content workflows and brand voice training, but significantly higher pricing and less lightweight.
