Crestellar Academy vs FocusScore

The all-in-one HKDSE Maths app for iPhone and iPad — 名校 exam questions, timed mock exams, past-paper solutions, revision notes, and every subject's 5** cutoff since 2012. Free to start, no account needed. DAILY PLAN • A short level check, then one free quiz a day aimed at your weak topics: easy first, no time limit, 5, 10 or 15 questions, a daily reminder, and offline once today's quiz is downloaded • After each quiz: your score, streak, level estimate and what improved • Shields and pauses protect your streak; My plan shows your level, calendar, topics and badges, secret ones too • Mark a Long Question "I got it" or "Not yet": your marks count towards your level and topics • Home Screen widgets: your streak and grade trend, an HKDSE countdown, or today's timetable JUPAS CALCULATOR • All 371 programmes at the eight UGC-funded universities and HKMU: admission scores, applications and offers back to 2012 (2026 for HKUST, CUHK, PolyU and HKMU; quartiles where published), tables of admitted students' subject levels where published, applicants per place, and official descriptions • Enter your HKDSE results: your score for 363 programmes, each under its own formula, and where you stand against the median — in 2024 too, where the formula is the same • Search, sort four ways and plan 20 choices in Bands A–E like the JUPAS form PRACTICE ENGINE • Thousands of MC and long questions from top HK schools — by year, topic and difficulty, plus an out-of-syllabus Challenging tier • Focused practice: almost every question is matched to the subtopic it mainly tests, and you choose which other subtopics it may use • Timed S1–S6 mock exams that mirror the real HKDSE Paper 2, slot by slot — your first 2 are free • Instant marking: a grade estimate, per-question review, per-topic time and accuracy • DSE LEVEL PREDICTOR: your mock score is graded on the REAL cut-offs of the last six HKDSE Maths exams, with how many more questions reach the next level • One-tap drill on your weakest topic • Long-question sessions of 5–50, unseen first • Save questions; share a result card 5** SOLUTIONS • Every question has a full marking-scheme solution — typeset, never a scan • Max plans unlock advanced solutions: faster 5** techniques, exclusive calculator programs, and Typical Questions & Skills for all 19 chapters WRITE ON THE QUESTION (iPad) • In quizzes, long and saved questions: pens, highlighter and eraser, pinned to the figure as it scrolls and zooms — or a scratch sheet • Hold at a stroke's end and it snaps perfect — lines, circles, polygons, parabolas — then drag its corners • Apple Pencil always draws and double-tap swaps to the eraser; workings are never stored VISUAL MATH LAB • 43 interactive topics — Compulsory Part (21), M1 (12) and M2 (13) — drag real DSE figures, watch the maths respond • AM–GM, Circle Angle Theorems, M2 Systems of Linear Equations and M1 Central Limit Theorem are free with no account; the rest are free to read — upgrade to interact REVISION TIMETABLE • Plan all 25 HKDSE subjects with official papers and topics: drag blocks, add reminders, or let "Build my week" fill your free hours; a Progress tab tracks mastery FREE TO START • No account needed: HKDSE cutoffs for 15 subjects since 2012, every programme in the JUPAS Calculator, and a question 30 seconds after download • A free account adds your daily plan, full past-paper solutions, illustrated revision notes, the revision timetable, your JUPAS score and choices, and 80 tokens a month FAIR PRICING • Top-up token packs that never expire • Plus, Pro and Max cost a fraction of one tutoring lesson • One subscription covers iPhone and iPad • Your plan stays with the phone number you bought it with Fully bilingual: English and Traditional Chinese. Built by Hong Kong DSE Maths teachers. Download free and aim for your 5**. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.crestellaracademy.com/privacy-policy

The only study app that watches your eyes. FocusScore tracks your gaze direction, head angle, and posture through your front camera — then scores your focus from 0 to 100 in real time. No wearable needed. No self-reporting. Just turn on the camera and study. Every other focus app uses a timer. FocusScore uses computer vision. WHY FOCUSSCORE IS DIFFERENT Other study timer apps count minutes. FocusScore measures actual concentration. Our AI detects when your eyes wander, your posture slumps, or drowsiness sets in — and reflects it in your score instantly. HOW IT WORKS 1. Start a session and allow camera access 2. AI analyzes gaze direction, head angle, and posture in real time 3. Your FocusScore (0-100) updates live on screen 4. After each session, review your focus vs. distraction timeline 5. Track daily, weekly, and monthly trends KEY FEATURES • Real-time gaze tracking and posture analysis via front camera • Live 0-100 FocusScore with S/A/B/C/D grading • Focus vs. distraction color-coded timeline • Pomodoro timer (25/5 min) and custom duration timer • Daily, weekly, monthly trend graphs • Calendar heatmap showing your study consistency • Study streak tracking for motivation • Subject tagging per session 100% ON-DEVICE PRIVACY All analysis runs entirely on your iPhone using Apple Vision framework. Camera frames are never stored, transmitted, or recorded. Only numeric scores sync to the server. No facial recognition. No biometric identification. Your camera data never leaves your device. SUBSCRIPTION FocusScore Pro unlocks unlimited sessions, weekly trends, and detailed insights. • Pro Monthly: Billed monthly • Pro Annual: Billed annually (save 33%) • Includes 7-day free trial Payment is charged to your Apple ID account at confirmation. Subscriptions auto-renew unless turned off at least 24 hours before the current period ends. Manage subscriptions in Settings > Apple ID > Subscriptions. Privacy Policy: https://jimmypark1.github.io/focusscore/privacy Terms of Service: https://jimmypark1.github.io/focusscore/terms