🎓 Singapore's Leading AI Test Paper Auto Grading App

Ace Singapore Past Primary Papers With AI Auto-Marking & Instant Explanations For Less Than a Cup of Kopi

Our AI app simulates Singapore primary school test papers, marks automatically, and provides explanations to unlock every child potential.

4.9/5Over 547+ parents have trusted this marking app
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Why Parents Choose TestPaperHero

Time Burden

Parents in Singapore spend 7.9 hours/week helping with homework—leaving little room for work, rest, or family time.

High Tuition Costs

8 in 10 parents pay for tuition, and half spend over S$500/month—creating real financial pressure.

Stress & Emotional Toll

Revision periods often turn homes into "war zones"—with anxiety, burnout, and conflict between parents and children.

How It Works — Mark Papers in 3 Clicks

1. Upload PDF

Select your child’s practice test paper and upload it securely to our platform.

2. Realistic Answer Submission

Users can now fill in their answers in generated text boxes, simulating the test-taking experience.

3. AutoMark & Get Detailed Explanation

Receive detailed marks and explanations for every question—so you can focus on encouragement, not correction.

Cut Marking Time by 90%

Automate grading in just 3 clicks and reclaim precious family evenings.

Reframe Your Evenings

From marking to making memories—enjoy more quality time with your child.

Try It Free — We’ll Mark Your First 5 Papers on Us Every Month
Join 547+ Singaporean Parents saving 10 hours weekly.
Experience why parents trust our platform to simplify revision marking.

Simple, Family-Friendly Pricing

Try it free — your first 5 papers are on us every month. No credit card required.

Free

$0/month

Mark up to 5 papers / mo. AI explanations for every answer No credit card required

  • Mark up to 5 papers / mo.
  • AI explanations for every answer
  • No credit card required
Start Free

Weekly Plan

$19 10/week

Mark up to 15 papers / week. Billed weekly, cancel anytime.

  • Mark up to 15 papers / week
  • AI explanations for every answer
  • Track progress over time
  • Email support
  • Cancel anytime

Starter Monthly

$49 29/month

Mark up to 100 papers / mo. Ideal for steady progress with priority marking and reliable email support. Perfect for core subjects English, Math & Science.

  • Mark up to 100 papers / mo.
  • Covers English, Math & Science
  • Priority marking speed
  • Email support
  • Cancel anytime

Most parents choose this plan

Family Monthly

$109 79/month

Mark up to 500 papers / mo. Designed for families needing fast, high-volume marking. Best value for multiple children with top priority support.

  • Mark up to 500 papers / mo.
  • Highest priority marking speed
  • Best value for siblings
  • Email support
  • Cancel anytime

Get in Touch

Have questions about our product? Need help getting started? We're here to help.

Contact Information

Fill out the form and we'll get back to you within 24 hours.

Office

109 North Bridge Road
Singapore 179097

Frequently Asked Questions

Every month, you can mark up to 5 papers for free—no credit card required. After that, you can upgrade to a paid plan for more papers.

TestPaperHero currently supports English, Math, and Science past papers for Singapore primary levels.

All payments are securely handled by Stripe, ensuring your payment information is protected with industry-leading security standards. We do not store any payment details on our servers.

Yes, you can upgrade, downgrade, or cancel your plan at any time—no lock-in, no hassle.

Most papers are marked and returned with feedback in under 1 minute, thanks to our AI-powered system.

We do not provide any test papers. Users can upload any PDF test paper they find online to be marked by our AI.

Yes, doing past papers helps familiarize students with exam formats, improves time management, and reinforces learning through practice.

Our app works best with past papers that include answers at the end of the PDF. This ensures the explanations are accurate and match the provided answers, giving you reliable feedback.

TestPaperHero is best viewed on wide screens like Tablet or Desktop for the best experience.

What Parents Say

Join 547+ families who have reclaimed their time and peace of mind.
Mrs. Lim

Mrs. Lim

Parent of P6 Student, Singapore

TestPaperHero has given me my evenings back. Marking used to take hours—now it's done before dinner!

Mr. Tan

Mr. Tan

Father of P5 Student

No more arguments over answers. The AI explains everything so clearly, my son is more confident and independent.

Shanti R.

Shanti R.

Mother of 2, Bukit Batok

We tried the free plan and upgraded after a week. It's worth every cent for the time and peace it brings.