Kelzo - The Paper Grader

Altix Codeit

About this app

Kelzo is an AI-powered grading assistant that helps teachers and schools evaluate handwritten answer sheets in seconds — not hours.
Just upload a student's answer script, and Kelzo reads the handwriting, evaluates each response against your marking scheme, assigns a score, and instantly sends results and a personalized study plan straight to WhatsApp. Built for Indian K–12 classrooms and aligned to CBSE patterns, Kelzo takes the repetitive grading load off educators so they can focus on teaching.
WHY TEACHERS USE KELZO
• Grade full handwritten answer sheets in seconds, with 95%+ accuracy

• Works with handwritten responses — not just multiple-choice

• Evaluates against your own marking scheme for consistent, bias-free scoring

• Delivers scores and personalized study plans instantly over WhatsApp

• Affordable per-sheet pricing that scales with your class size

• Saves hours of manual correction every single week
BUILT FOR INDIAN CLASSROOMS
Kelzo understands the realities of K–12 teaching in India. From unit tests to full exams, it handles real handwritten scripts and applies your marking scheme the way you would — fairly and consistently across every paper. CBSE-aligned evaluation means results your students and parents can trust.
HOW IT WORKS

Upload or scan a student's handwritten answer sheet
Kelzo's AI evaluates each answer against your marking scheme
Get an accurate score in seconds
Results and a personalized study plan are sent automatically to WhatsApp

WHO IT'S FOR
Kelzo is designed for teachers, tutors, coaching institutes, and school administrators who want to reclaim time, grade more consistently, and give students faster feedback. Whether you're correcting a single class set or managing assessments across an entire school, Kelzo scales with you.
TRUSTED BY EDUCATORS
Teachers across pilot schools have already graded hundreds of answer sheets with Kelzo and reclaimed hours of their week. Spend less time correcting papers and more time doing what matters — teaching.
Start grading smarter today with Kelzo.

What’s new

What's new in v11:

Teachers
• AI questions now display as proper math — no more raw code
• New "Revise with AI" button — tell the AI what to change
• Move a live test back to draft
• Delete a class

Students
• Cleaner handling when a teacher unpublishes a test you're working on

Also: Android 15 display fixes, faster status bar, updated core libraries.