GradeLab records 8,871 monthly visits with -4.3% month-over-month growth and Contact for Pricing pricing. ZeroGPT records 32,864,541 monthly visits with +19.7% growth and Freemium, Paid pricing.
AI grading platform that marks handwritten exams in minutes
AI content detection and a full writing toolkit in one place
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gradelab.io | zerogpt.com |
| Pricing Model | Contact for Pricing | Freemium, Paid |
| Monthly Visits | 8.87K (8,871) | 32.86M (32,864,541) |
| MoM Traffic Delta | -400 (-4.3%) | +5.41M (+19.7%) |
| Primary Market & Share | 🇮🇳 India (45.4%) | 🇺🇸 United States (43%) |
| Direct Visits / mo | 2.94K | 8.22M |
| User Rating | 4.2 | 3.8 |
| Supported Platforms | Website | Website |
AI grading platform that marks handwritten exams in minutes
Scans of handwritten answer sheets, working and diagrams are extracted and graded automatically with high recognition accuracy across subjects.
Build rubrics per course, apply them consistently, and use AI moderation to compare and validate results with one-click teacher override.
Create polished exam papers with LaTeX and diagrams, or turn source material and past papers into new question sets.
Class performance, question difficulty, student progress and audit-ready reports and exports for NAAC, NBA and KHDA workflows.
AI content detection and a full writing toolkit in one place
Paste up to 15,000 characters or upload a file and get a highlighted breakdown of which sentences appear AI-written, plus an overall percentage score and a downloadable PDF report.
Beyond text, ZeroGPT offers an AI image detector and an AI video detector that performs frame-level analysis to flag generated or manipulated visuals.
Compare your text against billions of sources through the plagiarism checker, or rewrite and humanize AI text with the paraphraser and AI humanizer while keeping the original meaning.
A bundled writing suite covers summarization, grammar and spelling correction, translation across many languages, a dictionary, word and character counting, citation generation, and an AI email writer.
SpecialistCross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
SpecialistCross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
SpecialistPopular paraphrasing assistant focused on rewriting and grammar correction, but lacks dedicated AI detection scanners.
SpecialistPopular paraphrasing assistant focused on rewriting and grammar correction, but lacks dedicated AI detection scanners.
Industry-standard AI content detection trusted by educators, offering robust sentence-level analysis similar to ZeroGPT.
Industry-standard AI content detection trusted by educators, offering robust sentence-level analysis similar to ZeroGPT.
SpecialistAcademic editing platform pairing AI plagiarism detection with professional human proofreaders for student papers.
SpecialistAcademic editing platform pairing AI plagiarism detection with professional human proofreaders for student papers.
Free / Open-sourceYour personal AI tutor for every subject, from notes to exam day.
Free / Open-sourceAll-in-one AI study tool for homework help, exam prep, notes, and flashcards
Free / Open-sourceAll-in-one AI study tool for homework help, exam prep, notes, and flashcards
Combines reliable AI detection with advanced text humanization tools to rewrite machine-generated content naturally.
Combines reliable AI detection with advanced text humanization tools to rewrite machine-generated content naturally.
Free / Open-sourceAI tools that give teachers back their time
Free / Open-sourceAI tools that give teachers back their time
Enterprise-grade content verification suite detecting AI text, images, and source code across multiple languages.
Enterprise-grade content verification suite detecting AI text, images, and source code across multiple languages.
Free / Open-sourceAll-in-one IB and MYP exam prep with an AI study partner
Free / Open-sourceAll-in-one IB and MYP exam prep with an AI study partner
Comprehensive content integrity platform specialized in accurate AI detection and plagiarism checking for digital publishers.
Comprehensive content integrity platform specialized in accurate AI detection and plagiarism checking for digital publishers.
Free / Open-sourceAdaptive reading comprehension practice with instant data for every student
Free / Open-sourceAdaptive reading comprehension practice with instant data for every student
