Guide for math teachers
AI math graders compared: who grades handwritten work, who gives partial credit, and what it costs
Ten tools grade math with AI today, and they fall into two groups. Dedicated math graders — GradingPal, GradeWithAI, Examino, Math Grader AI, Ed.ai, Graidable, Frizzle and MathSense AI — read handwritten work from photos or scans and give step-by-step partial credit, and most of them offer some free grading. General platforms work differently: Gradescope organises scanned exams and rubric grading at scale but leaves the step-by-step judgement to the instructor, and CoGrader, one of the most-used K-12 graders, is built for writing and does not list math. The table gives the same facts for every tool, taken from each vendor’s own pages.
Updated October 17, 2026 · Published by MathSense AI (L8O LLC). Every detail about another product comes from that product’s own public pages, checked October 17, 2026; where a site does not say, we say “not listed on its site”. MathSense AI makes MathSense, so read our own row with that in mind.
Grading a class set of handwritten math by hand takes an evening because every paper needs the same three judgements: what did the student write, which steps are right, and how many points does each slip cost. The tools below automate different parts of that. Some only read and organise the papers; some draft every score and comment for you to approve.
We built one of these tools, so we checked every product the same way: its own home page, pricing page and feature pages, on the date shown, quoting what the vendor says and writing “not listed on its site” where it says nothing. We have not tested rivals on our own papers and do not rate them. Prices change often; the links go to the vendors’ pages.
The same facts for every tool
| Tool | Built for | Handwritten work | Step-by-step partial credit | Teacher review before release | Free | Paid |
|---|---|---|---|---|---|---|
| GradingPal | All-subject rubric grader for K-12 and higher education with a dedicated handwritten math workflow; a product of Cues Technologies Inc. | Yes — photos, scans or a class PDF, which it separates into student submissions | Yes — you set how much credit goes to the method and how much to the final answer; equivalent forms such as 1/2, 0.5 and 50% are recognised | Teachers review, edit and approve before sharing; feedback drafted in six styles; release now or on a schedule | Free: 50 submissions a month across assignment types, no card, an ongoing plan rather than a trial | Lite $19/month or $14/month billed annually (250 submissions; math problem sets need an add-on); Pro $35/month or $26/month billed annually, unlimited |
| GradeWithAI | All-subject AI grader built around Canvas and Google Classroom sync, for K-12 with a strong AP focus | Yes — a scan or phone photo of the paper stack, or a PDF; illegible work is flagged for you rather than guessed | Yes — a default rubric weights setup, execution, answer and units, and communication; a correct setup with a sign error still earns most of the points | You review every grade before returning it; override any score or comment; students can resubmit if you allow it | Free: 25 AI requests a month (grading one submission is one request), no card | Pro $20/month, unlimited grading; schools and districts custom (Schoology, SSO). Annual price not listed on its site |
| Examino | All-subject grader built around phone-scanning paper by QR code, K-12 to college; a Paris startup founded in 2024 | Yes — PDF, JPG, PNG, or students scan their own paper with a QR code; OCR trained on handwritten equations, fractions, roots and matrices | Yes — awards partial credit step by step from the points in your rubric and shows why each point was given or withheld | No grade is awarded automatically: you review, edit and approve the set before export to Word, PDF or CSV | Discovery: 10 papers a month free, every feature, no card | Standard $7.50/month (100 papers); Plus $17.90/month (300 papers); schools on request. Annual price not listed on its site |
| Math Grader AI | Math-only grader for K-12 and AP courses, Algebra I through Calculus and Statistics | Yes — scanned or digital PDFs of handwritten or typed tests | Yes — partial-credit analysis you can adjust; optional AI-generated, editable rubrics | Review and adjust any grade; a feedback PDF per student to print or upload to your LMS | No free plan; a free demo grades one paper a day; 7-day trial on paid plans | Standard $29/month (up to 150 tests); Pro $49/month (up to 400 tests); institutions on request |
| Ed.ai | High-school math grader from Ed AI Technologies (Boston, with an EU entity) | Yes — typed, PDF or a phone photo of a handwritten test, including graphs and constructions | Yes — partial-credit logic on every multi-step problem; editable rubrics aligned to CCSS, TEKS or your own | Review and edit every grade and comment before release, by student, class or all; audit trail of AI suggestions | Free: 60 papers a month, no card, no expiry | Teacher Pro $49.90/month (300 papers); School $10 per student per year with LMS integration |
| Graidable | STEM grader for handwritten work and diagrams, middle school to university; Norway-based, data stored in the EU | Yes — scans, photos and typed pages; bulk upload matched to your class list | Yes — "method-aware partial credit" that separates a conceptual error from an arithmetic slip | You accept or change every proposal and approve each student; low-confidence items are flagged "Check closely" | 10 free gradings with a first plan (card required); 30-day department pilot without a card | Student $9.99/month (10 students graded a month); Professional $24.99/month (60 students); extra students billed per head |
| Frizzle | Paper-first classroom grader for K-12, any subject you can write a rubric for; New York | Yes — phone snap, document camera or scanner; a whole stack photographed and linked to each student | Yes — reads each step, credits multiple valid approaches and gives partial credit | Low-confidence pages are flagged for a one-tap human check; misconceptions tagged to standards | Free forever: up to 50 worksheets (student pages) a month, no card, no expiry | Pro $200/year (up to 1,000 worksheets a month); institutions custom, with discounts for Title I schools |
| Gradescope | Assessment platform from Turnitin for scanned, online and bubble-sheet work; higher education and K-12, all STEM subjects | Yes — scans or photos uploaded in batches and split into submissions | Point-based rubrics per question; AI groups similar answers for you to grade at once (Institutional plan). Step-by-step credit for math: not listed on its site | The instructor grades each question or confirms each answer group; regrade requests built in | Gradescope Basic: free, no stated limits, without AI-assisted grading | Institutional licence, price on request: AI-assisted grading, LMS integration, SSO, multi-grader |
| CoGrader | AI grader for K-12 writing: essays, document-based questions, CER responses and short answers; California | Yes, for writing — scan a stack as one PDF (up to 500 pages) and it splits one essay per student | Rubric-criterion scoring with 500+ state-aligned rubrics. Math grading: not listed on its site | You approve every grade; feedback drafted per criterion as "Glow" and "Grow" | Starter: free for teachers, up to 150 submissions a month, no card | Individual $15/month billed annually or $19 monthly (350 submissions); schools and districts priced by size |
| MathSense AI | AI math grader for K-12 teachers grading handwritten tests, quizzes and homework | Yes — upload photos or scans of a whole class set in one batch | Yes — each step scored against your rubric and point values, with a separate arithmetic check | Yes — you approve, edit or override every score and comment before students see anything; feedback drafted per student | First assignment graded free, up to 5 papers, no credit card | $49 or $99 a month, each with a 7-day free trial |
Features and prices change. Check each site before you decide; the links in the table go to the vendors’ own pages.
Each tool in a paragraph
GradingPal · gradingpal.com
GradingPal grades every subject against a rubric and has a handwritten math workflow: upload a class PDF, it splits the submissions, reads the working and awards method marks the way your rubric says. GradingPal 2.0 shipped in September 2026. Its site lists FERPA, COPPA, GDPR and SOPIPA compliance, says student work is not used to train AI, and integrates with Google Classroom, with Canvas and Schoology on school plans.
Best for: Teachers who grade several subjects and want a permanent free allowance with Google Classroom built in.
Worth knowing: On the Lite plan, worksheets, problem sets, quizzes and exams need the “all assignment types” add-on; its security page says it does not currently claim its own SOC 2 certification.
Sources: GradingPal AI math grader, GradingPal pricing, GradingPal security
GradeWithAI · gradewithai.com
GradeWithAI pulls assignments from Canvas, Google Classroom and Google Forms, grades them against your rubric and sends feedback back to Canvas SpeedGrader. Its math page is built around partial credit by criterion and accepts photos of handwritten work. The site describes FERPA and COPPA compliance and SOC 2-aligned controls, with data stored in the US and no AI training on student work.
Best for: Canvas or Google Classroom schools that want grades and feedback to flow straight back into the LMS.
Worth knowing: Its pages mix “FERPA-aligned” and “FERPA compliant” wording; GDPR is not mentioned.
Sources: GradeWithAI math grading, GradeWithAI pricing, GradeWithAI security
Examino · examino.ai
Examino is a French grader for any subject: the paper is scanned with a phone, including by the students themselves through a QR code, and graded step by step against a rubric with points per step. Student work is hosted in the EU under GDPR with names redacted automatically, and the site states FERPA compliance and LTI 1.3 for school LMS integration.
Best for: Teachers who want the lowest-priced paid tier for small volumes, or EU data hosting, and who grade more than one subject.
Worth knowing: Output is an export (Word, PDF, CSV) rather than a direct return to Google Classroom or Canvas; rubric edits per assignment are limited by plan.
Sources: Examino AI math grader, Examino pricing, Examino legal and privacy
Math Grader AI · mathgrader.ai
Math Grader AI grades free-response math tests from PDFs of handwritten or typed work, with partial credit the teacher can adjust and grades that publish to Google Classroom and Canvas. Its site lists FERPA, COPPA and state student-privacy laws and says student work is not used to train AI.
Best for: Teachers who already scan whole tests to PDF and want a math-only grader with LMS publishing.
Worth knowing: Whether a class set in one PDF is split per student is not listed on its site; there is no free plan.
Source: Math Grader AI
Ed.ai · ed.ai
Ed.ai is built to grade high-school math from photos, PDFs or typed work, maps results to standards and generates reteaching activities. It lists FERPA, COPPA and GDPR compliance, says it does not use student work to train models, and integrates with Canvas, Google Classroom, Clever and Schoology on school plans.
Best for: High-school departments that want standards mapping and a generous free monthly allowance.
Worth knowing: Its privacy policy says it does not currently hold SOC 2 Type II certification.
Sources: Ed.ai, Ed.ai pricing
Graidable · graidable.com
Graidable reads scanned handwriting and maths across STEM subjects, drafts criteria from your answer key or rubric and traces each step before proposing points. Files are stored in the EU under GDPR terms, and no grade is final until a teacher approves it.
Best for: Teachers in Europe, or anyone who needs EU data storage and method-aware partial credit for small classes.
Worth knowing: There is no LMS integration yet; results export to a spreadsheet and feedback PDFs.
Sources: Graidable, Graidable pricing, Graidable AI math grader
Frizzle · frizzle.com
Frizzle grades handwritten paper work with no student devices or logins: teachers photograph the stack, Frizzle links pages to students, reads each step and flags the spot where the thinking went wrong. Its site lists FERPA, COPPA and a SOC 2 Type II audit, and says student work is not used to train its models.
Best for: K-12 teachers grading several subjects on paper who want a permanent free tier with no feature gates on grading.
Worth knowing: Which plan includes LMS integrations is shown inconsistently on its own pricing page, and no LMS is named.
Sources: Frizzle, Frizzle pricing
Gradescope · gradescope.com
Gradescope is the established platform for grading scanned exams and homework at scale with dynamic rubrics, used mostly in universities. Its AI groups similar answers so an instructor can grade them together, but the judgement of each step stays with the grader.
Best for: University and large-course instructors who want consistent rubric grading of scanned exams, with regrade workflows and LMS integration.
Worth knowing: AI-assisted grading and answer groups are part of the Institutional licence, not the free Basic plan.
Sources: Gradescope, Gradescope pricing
CoGrader · cograder.com
CoGrader is one of the most-used AI graders for K-12 writing, with two-way sync to Google Classroom, Canvas and Schoology and a long list of state-test rubrics. Its own pages describe handwritten grading as "built for writing", and do not mention math.
Best for: ELA, history and science teachers grading written responses; not a math grader by its own description.
Sources: CoGrader, CoGrader pricing
MathSense AI · mathsense.aiour product
MathSense AI reads each student’s handwritten working, matches answers to questions, scores every step against the teacher’s rubric and drafts feedback that names the step where the work went wrong. Nothing reaches a student until the teacher approves it. Its methodology page shows the process step by step.
Best for: K-12 math teachers who grade paper tests by hand and want step-by-step partial credit with the final say on every mark.
Worth knowing: Math only; there is no LMS grade sync listed on the site. We make MathSense AI — read this row as the vendor’s own description, like every other row.
Sources: How MathSense AI grades, MathSense AI pricing
How to choose
- You grade handwritten tests and quizzes in K-12 math
- Look at the dedicated math graders: GradingPal, GradeWithAI, Examino, Math Grader AI, Ed.ai, Frizzle, Graidable and MathSense AI. All read photos or scans and give partial credit by step. The differences are the free allowance, whether a whole class set uploads in one batch, how much you can edit before release, and whether grades sync to your LMS.
- You want to try before paying
- Ed.ai (60 papers a month), Frizzle (50 student pages a month) and CoGrader (150 submissions, writing only) have permanent free tiers. MathSense AI grades your first assignment free, up to 5 papers, with no card. Math Grader AI has no free plan but a 7-day trial; Graidable gives 10 free gradings with a first plan.
- You teach at a university or run very large courses
- Gradescope is built for scanned exams at scale, with dynamic rubrics, regrade requests and LMS integration. Its AI-assisted answer grouping is part of the Institutional licence.
- You grade essays and written responses, not math
- CoGrader and EssayGrader are built for writing and list state-test rubrics; neither mentions math on its site.
- Your school needs data kept in the EU
- Graidable stores files in the EU under GDPR terms. Ed.ai has an EU entity. Check each vendor’s privacy page for where student work is processed.
- You want to check any grader before trusting it
- Upload one of your own assignments with a slip you know is there — a sign error, a dropped term — and see whether the tool finds the exact step, awards partial credit the way you would, and lets you change the mark before a student sees it. Our guide on choosing an AI math grader lists ten such questions.
See it on your own students’ work
Upload one handwritten assignment and compare for yourself. Your first assignment is graded free — up to 5 student papers, no credit card — and you review every grade.
Questions
- Which AI math graders read handwritten work?
- By their own descriptions: GradingPal, GradeWithAI, Examino, Math Grader AI, Ed.ai, Graidable, Frizzle, Gradescope and MathSense AI all accept photos or scans of handwritten work. CoGrader reads handwriting for essays and short written answers, not math.
- Which AI math graders are free?
- Ed.ai lists 60 free papers a month and Frizzle 50 free worksheets a month, both with no card. MathSense AI grades your first assignment free, up to 5 papers. Gradescope Basic is free without AI-assisted grading. Math Grader AI has no free plan; Graidable includes 10 free gradings with a paid plan.
- Does Gradescope grade math step by step with AI?
- Gradescope’s pages describe rubric-based grading per question and AI that groups similar answers for the instructor to grade together, on the Institutional licence. Awarding step-by-step partial credit automatically is not listed on its site.
- Does CoGrader grade math?
- CoGrader’s own pages list essays, document-based questions, science claim-evidence-reasoning responses and short answers, and say handwritten grading is built for writing. Math is not mentioned.
- Can a teacher change the grade an AI grader gives?
- Every dedicated math grader here says yes: Math Grader AI, Ed.ai, Graidable, Frizzle and MathSense AI all describe a review step before anything reaches a student. Check how much you can edit — the score, the comment, or both — and whether release is per student or all at once.
- How is MathSense AI different from the other math graders?
- MathSense AI is math-only and built around teacher approval: it reads each student’s handwritten working, scores every step against your rubric and point values, runs a separate arithmetic check, drafts feedback naming the step that went wrong, and releases nothing until you approve it. The first assignment is graded free, up to 5 papers. The methodology page shows the process step by step.