Correxio

Correxio

Purple Tentacle
+
+

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About

ClassKite is a browser-based classroom platform for teachers and schools. Teachers present and annotate PDFs on a classroom display while students’ screens follow along. Live practice checks answers automatically, and self-paced assignments provide instant feedback with unlimited retakes while open. Quiz mode offers one attempt per question, shuffled questions, copying restrictions, flags when students leave the page, and teacher-controlled result release; Safe Exam Browser can be required on iPads. Teacher Plus and School add live student monitoring, detailed reports, a gradebook, report cards, Excel question-bank imports, and AI-drafted questions for teacher review. Teacher Basic is free, and students need no paid subscription. The browser app runs without installation, uses EU infrastructure and HTTPS, does not sell personal information, and displays no third-party ads. Paid plans fund the service.

About

Correxio is a web-based AI grading assistant for teachers working with handwritten or digital assignments. Teachers upload scans, phone photos or PDFs, add an exam and rubric, and may ask the AI to draft a rubric. The system proposes question-level scores, justifications, overall feedback and annotations placed on each student's paper. Teachers review results beside the original, adjust scores and comments, then export class scores as CSV and annotated papers as PDFs. It supports work across subjects, including mathematical notation and code, and can use an answer key as a reference. Student names are masked before AI grading, with exceptions flagged when masking fails. Correxio is available through a browser and an Android app for teachers grading work from middle school through higher education. All scores remain proposals until a teacher reviews them.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Supported
Chromebook Not Supported

Audience

Teachers, classroom educators, and schools.

Audience

Teachers and schools grading written exams and assignments, from middle school to university.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$5.48/teacher/month
Free Version Supported
Free Trial Supported

Pricing

€7.99/month
The free plan includes 30 graded pages per month and adds a Correxio watermark to exported PDFs. Standard costs €7.99/month for 250 pages; Premium costs €13.99/month for 500 pages. Paid plans include tax, have no commitment and can be cancelled at any time.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

ClassKite
Founded: 2026
United States
www.classkite.com

Company Information

Purple Tentacle
Founded: 2021
France
www.correxio.com/en

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Digital Teacher

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CoGrader

CoGrader

4.6 out of 5 stars
Correxio

Correxio

Purple Tentacle

Categories

Education Supported

Categories

Integrations

PayPal Supported

Integrations

PayPal Not Supported
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