DSE subjects · Vocabulary · Essays

Understand concepts.
Solve questions.

From topic study to practice and mistake review, organise key points, clarify doubts and improve your answers.

14 subject and language appsAvailable on iOS and Android
Moshui sample paragraph feedback
Biology topic diagram and bilingual explanation

Biology topic diagrams and a Moshui feedback report

Study features

Build understanding. Work through challenges.

Study key concepts, ask AI for guidance, then reinforce your understanding with explanations and mistake review.

Features vary by app and question type. Moshui provides Chinese and English essay feedback. Illustrations show how features work.

Topic study

Key concepts, together in one app

Find concepts, diagrams and key points in one place. Study their connections by topic.

  • Study by topic
  • See connections in diagrams
  • Find key points quickly
Scattered study material becomes key-point cards and a connected concept map

AI teaching

AI guidance, one step at a time

Ask about an unclear step. Use AI explanations and examples to work through it.

  • Ask about your question
  • Resolve doubts step by step
  • Learn through examples
An unclear worked step is marked beside a conversation explaining it one step at a time

AI feedback

AI feedback with a clear next step

Submit text or an answer photo. Read specific comments to see what to improve.

  • Compare comments with your work
  • Find missing details
  • Improve your next answer
Revision marks on an original sentence connect to a specific comment and a new draft with more detail

Detailed explanations

Detailed explanations, clearer reasoning

Follow the key words and worked steps to understand the method behind the answer.

  • Identify what is asked
  • Follow the worked steps
  • Check your approach
Key words in a question connect to worked steps and then to the answer with its reasoning

Personal notes

Notes beside each question, ready to review

Keep reminders and methods beside the question, ready to read when you return.

  • Summarise your understanding
  • Note confusing concepts
  • Review notes with questions
A handwritten reminder sits beside a question and appears with it during review

Automatic mistake collection

Mistakes saved, ready for focused practice

Skip copying out missed questions. Revisit them to reinforce what you have yet to master.

  • Collect mistakes automatically
  • Review answers and explanations
  • Try again to check understanding
An incorrectly answered question moves into a mistake notebook and is taken out for another attempt

Subject apps

Explore the subject apps

Each subject has its own app. Browse the tools and download directly.

Chinese and English essay feedback

Moshui: know what to revise

Submit a Chinese or English essay by photo or text. Read comments beside your writing and revise each paragraph.

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Moshui · Submit a photo or text → Compare feedback with your work → Revise your next draft
  1. Submit a photo or text

  2. Compare feedback with your work

  3. Revise your next draft

Illustrated uses

Free study articles

Understand concepts and exam techniques

Read topic notes and answer approaches, then practise related questions.

FAQ

FAQ

Download only the subject apps you need. Each works independently. VocabShiba covers vocabulary; Moshui provides essay feedback.

Start studying

Choose the subject you need

Explore the features, then download to try.

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