Powered by latest AI
Uses Google Vertex AI Gemini 3.1 for state-of-the-art recognition and grading accuracy.
Trusted by thousands of students
Grade multiple choice tests with AI — in just 3 seconds
OwlEye turns your phone into a smart grading assistant. Snap a photo of your worksheet — the AI analyzes and returns detailed results instantly. Free, accurate, and effortless.
3s
Grading speed
10
Free scans/day
Key features
A smart study tool built for students
OwlEye is designed for modern learning and the way real students study.
Results in 3 seconds
Snap — Send — Receive. The entire grading flow finishes in 3 seconds. No more waiting.
Just take a photo
No typing, no formatting. Handwritten, printed or scanned worksheets — they all work.
Per-question detail
See your score, correct answers, mistakes, and suggestions — so you learn from every attempt.
History of scans
Every scan is saved so you can revisit any time and track your learning progress.
Private & secure
Your data is protected on Google Firebase infrastructure and follows strict privacy standards.
How it works
3 steps to your result
So simple even a 3rd grader can use it.
Snap your worksheet
Open the app, point the camera at your answers, and tap the shutter. A clear photo is enough.
AI analyzes
The OwlEye reads questions and answers, checks them, and computes your score automatically.
See your results
Get your score and per-question breakdown in just 3 seconds. That easy!
Who is it for?
Makes learning & teaching lighter
OwlEye is a companion for everyone on a learning journey.
Students
Self-grade practice worksheets, check results instantly, and learn from mistakes.
Parents
Check your kids' homework fast — no need to be an expert in every subject.
Teachers
Save hours on grading class tests so you can focus on actually teaching.
About the makers
See our other apps
Built by Quan105Labs
Quan105Labs is an independent Android studio based in Da Nang, Vietnam. We believe in clean design, smooth performance, and genuine usefulness — the same DNA behind OwlEye.
Frequently asked
Everything you need to know
What is OwlEye (Mat Cu AI)?
OwlEye is an AI-powered app for grading multiple-choice worksheets. Students snap a photo of their answers and the AI returns detailed results in 3 seconds.
Is OwlEye free?
Yes. OwlEye is completely free with 10 scans per day. You can also purchase a plan to get more scans and remove ads.
How accurate is the AI grading?
OwlEye uses Google Vertex AI Gemini — one of the most advanced models available — with very high accuracy on standard multiple-choice tests. Clearer photos give better results.
What types of tests are supported?
OwlEye supports all common multiple-choice formats: A/B/C/D, true/false, and fill-in-the-blank. It works for every subject from elementary to high school.
Is my data secure?
Yes. All data is stored safely on Google Firebase infrastructure, following international security standards. Read our Privacy Policy.
How do I download OwlEye?
You can download OwlEye for free on Google Play. Tap the "Get it on Google Play" button above to install now.