Proctor AI vs CoGrader: Handwritten Bulk Grading, Or Google Docs Essays?
CoGrader is a Google Docs and Google Classroom integrated AI essay grader that gives students rubric-based feedback on typed submissions. Proctor AI is an autonomous AI grading agent for teachers that reads scanned handwritten answer sheets, essays, and exam papers, and grades each one against your rubric in minutes.
The two tools solve related problems for very different classrooms. If your students type essays in Google Docs, CoGrader is a strong fit. If your students write on paper and you scan the answer sheets, Proctor AI is the tool built for that reality.
What CoGrader does well
- Tight integration with Google Docs and Google Classroom for typed essays.
- Rubric-based feedback that lands in the doc where the student wrote it.
- Simple onboarding for teachers already inside the Google workspace.
- Solid workflow for language teachers grading essay drafts.
Where Proctor AI is different
- Reads handwritten answer sheets from a scanned class PDF, not just typed docs.
- Bulk grades an entire class with one prompt.
- Free plan with no card, and pricing built for individual teachers.
- Integrity analysis for copying and AI-written text across the whole class.
- Claude MCP so teachers can grade a class by chatting with Claude.
- Reports and analytics per student and per class on demand.
Feature-by-feature comparison
| What matters to you | Proctor AI | CoGrader |
|---|---|---|
| Grade handwritten answer sheets | Yes, from a scanned class PDF | No, essays in Google Docs |
| Grade any subject, not just essays | Yes: math, science, MCQ, language | Essay-first |
| Bulk grading from one class PDF | Yes | Per-assignment inside Classroom |
| Free plan without a card | Yes | Free trial, then subscription |
| Claude MCP connector | Yes | No |
| Best fit | Schools with paper exams, coaching centres, K-12 to college | Google Classroom essay teachers |
Which one should you pick?
If your class writes on paper, choose Proctor AI. If your class writes in Google Docs and you live inside Google Classroom, CoGrader is a natural fit. Many teachers use both: Proctor AI for scanned paper exams, and a typed-essay tool for language classes.
Frequently asked questions
Does CoGrader grade handwritten papers?
CoGrader is designed for essays typed inside Google Docs. For scanned handwritten answer sheets, Proctor AI is the better fit.
Is Proctor AI free like CoGrader's trial?
Proctor AI has a free plan, no card required, so a teacher can grade a real class before deciding. That is different from a time-limited trial.
Which is better for CBSE and Indian schools?
Proctor AI. It is tuned for Indian handwriting, marking schemes, and languages, and it grades the paper-based answer sheets those classrooms actually use.
Can I use both?
Yes. Many teachers use a Docs-based grader for typed essays and Proctor AI for scanned exams. They do not conflict.