🤖 AI-powered across every subject and level
📚 Multi-Subject, All Levels
Professor Turtle covers the full Singapore MOE curriculum across all major subjects and levels.
Primary Level
- Primary 1 to Primary 6
- PSLE preparation
- Mathematics, Science, English, Chinese
- Higher Chinese available
Secondary Level
- Secondary 1 to Secondary 4 (G3)
- E-Math, A-Math, Pure Sciences
- Combined Sciences, Humanities
- English, Chinese, Higher Chinese
📝 All Question Types
Unlike platforms that only support multiple-choice, Professor Turtle handles every format you'll find in real Singapore exams.
Multiple Choice
Classic MCQ with instant right/wrong feedback and explanations for each option.
Open-Ended
Short-answer and long-form questions graded by AI with detailed, specific feedback.
Comprehension
Passage-based questions for English and Chinese, with AI-graded responses.
Structured Math
Multi-step problem sums with working marks — AI checks both method and final answer.
Chinese Paper 1 & 2
Composition (zuowen) prompts, comprehension, and language usage questions in Chinese.
SVG Geometry Diagrams
Mathematical diagrams rendered as crisp SVGs — angles, shapes, graphs, and more.
🤖 AI Grading with Detailed Feedback
This is where Professor Turtle really shines. Our AI doesn't just tell you if you got it right or wrong — it explains why.
Instant Results
Submit your answers and get graded immediately. No waiting for a teacher or parent to check.
Step-by-Step Explanations
For math problems, the AI shows the correct working method. For essays, it highlights grammar and structure.
Mark Scheme Alignment
Grading follows Singapore exam mark schemes — method marks, answer marks, and language marks where applicable.
Improvement Suggestions
Get personalised tips on what to focus on next based on your performance patterns.
🎯 End of Year Practice — All Topics
When exam season comes around, select "End of Year Practice" mode to get a comprehensive mixed-topic paper that simulates the real exam experience. The AI generates a balanced set of questions covering all topics you've selected for the term.
💬 Chat with AI Tutor
Stuck on a question? Tap the chat button and ask the AI tutor for help. It can explain concepts, walk you through problems step-by-step, and clarify any mistakes — just like having a patient tutor by your side.
Note: The chat tutor is best used after attempting a question. Try first, then ask for help. That's how real learning happens.
🎫 Daily Token Quota
Professor Turtle uses a daily AI token system to keep the service sustainable. Every day, you receive enough tokens for approximately 20–30 sets of questions — plenty for regular practice. Tokens refresh daily.
🔐 Accounts & Sign-In
Google SSO
Sign in with your Google account in one click. No password to remember.
Manual Registration
Prefer email and password? Manual registration is also supported.