High-frequency vocabulary across the DSE syllabus
20+ years of public exam syllabus word-frequency data — start with the highest-frequency DSE vocabulary first.
20+ years public exams8,000+ wordsSM2 spaced review
DSE Tools / 2027
Nine DSE subjects,
one app each.
Chemistry, Biology, Economics, History, Chinese History, BAFS, ICT, English, Classical Chinese — nine dedicated apps with instant AI grading, built for HK S4-S6 students.
4.88,000+ HK students
Between class and tutoring,
I chose to drill on the app.
— 2025 DSE candidate
Tutoring vs App
One month of tutoring costs more than a full year of the app.
Group tutoring
$1,200 / 月 / 科
1 subject · $300/lesson · 1.5h × 4
1-on-1 tutor
$1,600 / 月 / 科
1 subject · $400/lesson · 1h × 4
Best
DSE Tools PRO
$68 / 月 / 科
Per subject · Unlimited · 24/7 · Cancel anytime
Same money: 1 subject of tutoring — or all 9 subjects on the app, still cheaper.9 × $68 = $612/month vs $1,200/month for one tutored subject — save $588/month.
See apps— 06 Apps
One app per subject.
Built specifically — not rebadged.
Each app has its own question bank, marking-scheme keywords, and answer strategy. Chemistry rewards step accuracy, Biology rewards exact wording, History rewards rubric awareness.
12 set texts: word-by-word vernacular translation
Word-by-word translation for all 12 HKEAA Classical Chinese set texts; 3,000+ original DSE-style practice questions.
12 HKEAA set texts3,000+ questionsPaper 1 reading
Step-by-step graph and structured-question prompts
Demand-supply, elasticity, market failure, macro policy — diagrams plus E1/E2 elective + core micro/macro.
DSE 2012-20251,500+ questionsCore + E1/E2 elective
Answers aligned with HKEAA marking keywords
Experimental, calculation and structured answers aligned line-by-line with HKEAA marking keywords.
DSE 2012-20251,800+ questionsCore + elective
Step-by-step mole verification + searchable reference tables
Mole calculations checked step-by-step; equation balance prompts; in-app periodic table, pKa, E° references.
DSE 2012-20251,500+ questionsCore + elective
Per-paragraph essay scoring with HKEAA rubric
Each paragraph mapped to HKEAA marking rubric — learn how to write for 7+/10.
DSE 2012-20251,200+ questionsCore + elective
Dynastic comparison + DBQ source evaluation framework
Paper 1 (dynastic history: Xia to Reform Era) + Paper 2 (6 thematic electives, pick 2); source-based DBQ with credibility evaluation framework + AI essay grading.
DSE 2012-20251,500+ questionsPaper 1 + 2
Study workflow
A DSE study workflow from practice to review.
Less decorative dashboard, more practical exam preparation. Practice, explanations, mistake review, and mocks stay in one workflow.
01
Topic practice
Pick a subject, topic, and question type instead of scrolling through PDFs.
02
Check answers
Review explanations immediately and see whether the issue is concept, calculation, or wording.
03
Review mistakes
Mistakes are saved automatically so weak areas can be practised again.
04
Timed mocks
Use timed mock papers to practise pace, accuracy, and exam-day strategy.
Only the must-know notes.
We've gone through the HKEAA assessment guide line by line, mapping each scoring point 1:1 to the syllabus — nothing extra, nothing missing. Every concept you study is on the exam.
AI 1-on-1 explanation & instant grading.
Write a long-form answer and AI breaks it down point by point — what's wrong, why, and exactly how to fix it. A 24/7 tutor in your pocket.
Up to 5,000 high-quality practice questions.
Each subject has its own bank with up to 5,000 original questions covering compulsory + elective topics, modelled on HKEAA item types.
Wrong answers? Automatically saved.
The system collects every mistake and builds your personal review set.
Timed mock exams
DSE-format papers with countdown timer. Feel the real pressure.
Custom practice
Pick topics and difficulty. Practice exactly what you need.
DSE resource hub
A focused hub for DSE practice, answers, mock exams, and subject guides.
The homepage links into subject pillar pages for Chemistry, Biology, Economics, World History, Chinese, and English vocabulary, helping students reach the right resource faster.
Compare
Why use an app to study?
| DSE Tools App | Textbooks | PDF practice sets | |
|---|---|---|---|
| Instant answer checking | |||
| Auto wrong-question tracking | |||
| AI analysis + suggestions | |||
| 10-min micro-study sessions | |||
| Progress data tracking | |||
| Study anywhere (offline) | |||
| Full syllabus coverage | |||
| Timed mock exam mode |
Reviews
What students say
Used the DSE Chemistry app to drill exam-style questions — they're spot-on with the syllabus, and wrong-question review helped me target weak spots. Ended up with a 5*.
Chemistry 4 → 5*
Student K
S6 candidate
Doing practice from scattered PDFs was so messy — no instant marking, no tracking. This app gives answers and explanations right away.
Mock 3 → 5
Student W
S5 student
VocabShiba is a game-changer. 10 minutes on the bus every day, and every word is from the high-frequency DSE syllabus.
English 4 → 5
Student L
S6 candidate
FAQ
FAQ
Currently 9 subjects: English (VocabShiba), Classical Chinese, Economics, Biology, Chemistry, World History, Chinese History, BAFS, and ICT — with more being added.
Every app offers a free trial. Some advanced features require a PRO subscription.
Yes. We continuously update with new questions and track syllabus changes.
Most features work offline. Some AI features require a connection.
All apps are free on the App Store and Google Play.
Absolutely. Question banks follow the DSE curriculum, covering all topics.
Start practising
Your DSE preparation starts today.
Pick your subject and start practising now
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