TCAS Preparation, With Unlimited AI Questions
Covering primary, lower secondary and upper secondary through to TCAS preparation. AI generates unlimited exam-style questions and marks them instantly with an explanation for each one, so you always know what to fix.
Solve 2x² − 5x − 3 = 0.
Your factorisation was right, but the answer is incomplete: you dropped the negative root, x = −½. We've added two similar questions to your queue.
Every Stage of the Thai Curriculum
From primary exercises through lower and upper secondary papers to TCAS preparation. Choose your curriculum to start practising by subject and topic.
At an international school?
thinka also covers IB, IGCSE and International A-Level programmes.
Built for Thai Exam Preparation
Real question formats, instant marking, and the exact step where the marks went.
Questions in the Real Exam Format
AI generates multiple-choice, short-answer and long-answer questions modelled on real exam formats, so the phrasing on exam day feels familiar.
Know Immediately Where You Lost Marks
Instant marking points to the step you missed and explains the fix. thinka records each weak topic for you.
One Account, Primary Through to TCAS
Start with primary foundations, continue through lower and upper secondary, and finish with university entrance preparation. Your learning record carries across every stage.
How It Works
Pick a topic, practise in the real exam format, then see the step you missed. One round, three steps.

Choose Your Topic
Choose primary, lower secondary, upper secondary or TCAS preparation, then narrow to a subject and topic and set the difficulty.

Practise with AI
Answer multiple-choice and written questions in real exam format, with a new set generated every time, so nothing gets memorised.

Get Instant Feedback
Marking works through your answer step by step and records weak topics, so the next round starts where the real problem is.
Practise by Subject
Practise the subjects the real exams measure, from maths and science to English. Tap a subject to start.
TCAS
Upper Secondary
Lower Secondary
Primary (Thailand)

Free Study Resources
What Learners Say
“I practise maths for half an hour a day before exams. When I get one wrong the system tells me which step I missed, so I know what to go back and revise.”
“My child is in Primary 5 and I can't really teach maths myself. The app sets the questions and marks them, and we just go through the explanations together.”
Frequently Asked Questions
Last updated August 2026
How does thinka help with TCAS preparation?
Choose the subject and topic you want, then practise unlimited exam-style questions. Marking is instant and weak topics are recorded, so your revision time goes to what actually needs it.
Are there A-Level (TCAS) style questions?
AI generates unlimited new questions based on real exam formats, but the official past papers themselves are not included. It suits extra practice once you have worked through the real papers.
Can lower secondary and primary pupils use it?
Yes. Both are their own curriculum, with questions organised by year and topic and adjustable difficulty. Parents can follow progress from their own dashboard.
Is thinka free?
A free account includes a set number of questions each day, with no credit card required. Upgrade for unlimited practice whenever you like, and cancel at any time.
Can AI mark written answers?
Yes. Marking follows the structure of the marking criteria, identifying which parts earned marks and which are missing, and describing what a fuller answer would include.
Which subjects are covered?
Core subjects including maths, science, English and Thai. Coverage varies by stage, so open the curricula above to see the full subject list.
Ready for Your Next Exam?
Join 100,000+ learners drilling their weak topics with instant feedback. From primary through to TCAS, start free today.
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