Teacher Marking AI
iOS app that grades student work by camera scan
What is Teacher Marking AI?
Teacher Marking AI is a free iOS app that uses your iPhone camera to photograph student work and grade it instantly using AI. It supports grading standards from the US, UK, IB, Canadian, and Australian curricula — making it particularly valuable for international schools and teachers working with mixed-standard classrooms. The app uses handwriting recognition and content analysis to evaluate work against the selected standard, returning grades and explanations immediately. No computer required; the entire workflow happens on your phone.
Key Features
A. Camera-Based Scanning
Point your iPhone camera at student work — handwritten or printed — and the app captures, processes, and grades it in real time. No scanning hardware or PDF conversion required.
B. Multi-Standard Support
Supports grading against US Common Core, UK National Curriculum, International Baccalaureate (IB), Canadian curriculum standards, and Australian Curriculum. Select your standard before grading; AI calibrates its evaluation accordingly.
C. Handwriting Recognition
Robust OCR reads student handwriting across varied letter sizes, styles, and pen types. Processes work written in pen, pencil, or marker on standard white paper with high accuracy.
D. Instant Feedback with Explanations
After scanning, the app returns a grade and a brief explanation of why the work received that mark — pointing to specific strengths and areas for improvement. Not just a number; a diagnostic.
E. Offline Mode
Once downloaded, core grading functions work without internet connection — useful for teachers grading in classrooms, on field trips, or in areas with unreliable connectivity.
F. Share Feedback Directly
Share individual grade reports with students or parents via email directly from the app, or print from your phone using AirPrint. No need to transcribe from app to email manually.
How to Use Teacher Marking AI: Step-by-Step Guide
Follow these steps to get started with Teacher Marking AI today.
Download from the App Store
Search "Teacher Marking AI" on the iOS App Store and install the free app. Compatible with iPhone and iPad running iOS 15 or later. No account creation required to start grading.
Select Your Grading Standard
On the home screen, tap Settings → Grading Standard. Choose from US (Common Core), UK (National Curriculum), IB, Canadian, or Australian. This setting persists between sessions but can be changed per assignment.
Position Your Camera Over the Work
Tap "New Grade" and hold your phone over the student's paper. The app shows a live viewfinder with edge detection — when the paper is properly framed, a green border appears. Ensure the work is in good lighting with no shadows across the text.
Capture and Process
Tap the capture button. The app takes the photo, runs OCR on the handwriting, and sends the extracted text through AI evaluation against your selected standard. Processing takes 5-15 seconds per submission.
Review the Grade and Explanation
The app displays the grade (letter grade or percentage, depending on standard selected) alongside a brief explanation: which criteria were met, which were partially met, and what would improve the work. Review the explanation — it sometimes misreads context in handwriting.
Share or Save
Tap Share to send the grade report via email to the student or parent, save to your Camera Roll for records, or AirPrint for a physical report. Grades are logged in the app's history for future reference.
Real-World Use Cases
Grading In-Class Handwritten Quizzes Immediately
A 3rd grade teacher gives daily 5-question handwritten math quizzes. Instead of collecting and grading at home, she walks around the room during the last 3 minutes of class photographing each student's quiz with her iPhone. By the time students pack up, she has rough scores for all 22 students. She reviews any borderline cases during her prep period. Students get immediate feedback instead of waiting until the next day.
International School with Mixed Curriculum Standards
A teacher at an international school in Singapore marks some students against IB standards and others against Australian Curriculum depending on their enrollment track. Teacher Marking AI's multi-standard support means she doesn't need different tools or rubrics for each group — she selects the appropriate standard per scan. The consistency this brings to her grading across curriculum tracks has reduced parent complaints about grading inconsistency.
Field Trip and Outdoor Classroom Grading
A science teacher who runs regular outdoor science sessions where students complete field journals in notebooks uses Teacher Marking AI to grade on-site. With offline mode enabled, she photographs journal entries as students complete them, with no internet connection required. Students receive feedback on their field work before returning to the classroom — immediate reinforcement that would otherwise require a two-day turnaround.
Pros & Cons
✓ Pros
- Camera-based workflow is the fastest path from physical student work to a grade — no scanning, uploading, or converting required
- Multi-standard support (US/UK/IB/CA/AU) is unique among grading tools — essential for international schools and multi-track programs
- Offline mode allows grading anywhere, not just where internet is available
- Completely free with no in-app purchases or subscription fees
- iOS-native app built for phone use — not a web app on mobile, which means better camera integration and performance
✗ Cons
- iOS only — Android and computer users have no access to this tool
- No LMS integration — grades stay in the app or must be manually entered into your gradebook
- OCR accuracy degrades significantly with very messy handwriting, low light, or photos with shadows across the text
- Not suitable for digital submissions — designed exclusively for physical handwritten or printed paper work
- No class management or roster features — grades are per-scan, not organized by student name automatically
Frequently Asked Questions
Is Teacher Marking AI available on Android?
No. As of 2026, Teacher Marking AI is only available on iOS (iPhone and iPad). There is no Android version or web app. Android users who need a similar camera-based grading workflow do not currently have a direct equivalent — BusyBee Grading or GradingPal are better alternatives for Android users, though they use file upload rather than live camera capture.
Which grading standards does Teacher Marking AI support?
Teacher Marking AI supports five grading standards: US Common Core, UK National Curriculum, International Baccalaureate (IB), Canadian curriculum (provincial), and Australian Curriculum (ACARA). Standards can be changed between sessions. This multi-standard capability makes it particularly useful for international schools, teachers working with students from different educational backgrounds, and schools transitioning between standards.
How accurate is the handwriting recognition?
Accuracy is high for clear, standard-sized handwriting on white paper in good lighting — approximately 90%+ correct character recognition under ideal conditions. Accuracy decreases with unusual letter formations, very small or large writing, low contrast paper, or photos taken at an angle. For borderline grades or unclear handwriting, always review the OCR output the app shows before accepting the grade.
Does Teacher Marking AI work without internet?
Yes, Teacher Marking AI has an offline mode that allows grading without internet connection once the app is downloaded. In offline mode, the app processes work on-device. Some advanced features may require connectivity, but core camera capture and grading functions work offline — useful for outdoor classrooms, field trips, or areas with poor reception.
Can Teacher Marking AI grade digital submissions?
No. Teacher Marking AI is designed specifically for physical work captured by camera. It cannot process digital files, PDFs, Google Docs, or typed submissions. For digital submissions, BusyBee Grading (which accepts PDFs and images) or GradingPal (Google Classroom integration) are better choices.
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