Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features.
GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. Postfity records 16,047 monthly visits with +44.6% growth and Freemium, Contact for Pricing pricing.

Plan, schedule and analyse social media from one calendar
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | gptzero.me | postfity.com |
| Pricing Model | Freemium, Paid | Freemium, Contact for Pricing |
| Monthly Visits | 23.25M (23,246,989) | 16.05K (16,047) |
| MoM Traffic Delta |
| +5.7M (+32.5%) |
| +4.95K (+44.6%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (28.6%) |
|---|
| Direct Visits / mo | 7.53M | 6.36K |
|---|
| User Rating | 4.1 | 4.1 |
|---|
| 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.

Plan, schedule and analyse social media from one calendar
Plan posts to Facebook, Instagram, LinkedIn, Pinterest, VK and Google Business Profile on one visual calendar, then automate publishing.
Queue large volumes of posts — with graphics and video — in a single upload to save time on recurring campaigns.
Generate post copy, captions and hashtags with built-in AI, and keep branding consistent with AI brand support.
Track likes, shares and engagement with clear analytics and monitor brand conversations with social listening.
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.

SpecialistPlan, approve and schedule social content with your whole team in one place

Excels at scanning both text and images with high accuracy, but offers fewer free daily checks than GPTZero.
Free / Open-sourceAgentic social media scheduling for 30+ channels
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.


SpecialistSocial media management, scheduling and X/Twitter tools 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.
SpecialistPlan, approve and schedule social content with your whole team in one place
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
SpecialistTailors detection specifically for academic institutions and LMS integrations, but is less optimized for casual web users.
SpecialistSocial media management, scheduling and X/Twitter tools in one place