Comparison

Crestellar Academy vs MaTHE

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Crestellar Academy

Features
Read full description

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. EXAM CALCULATOR • Works like the real thing: the same keys and display, six modes, 23 formulas and 40 constants • Beside every quiz and long question, or from Home: two calculators, four of our programs in each DAILY PLAN • A short level check, then one free quiz a day aimed at your weak topics among those you've learned: easy first, no time limit, 5, 10 or 15 questions and a reminder time for each day • After each quiz: stars against what we expected, your streak and what improved • My level: one General level from every quiz, your path to your goal and your score trend • Shields and pauses protect your streak; My plan shows your level, calendar, topics and badges • Mark a Long Question "I got it" or "Not yet": your marks count towards your level and topics • Home Screen widgets: streak and grade trend, HKDSE countdown or today's timetable JUPAS CALCULATOR • All 373 programmes at the eight UGC-funded universities and HKMU: admission scores, applications and offers back to 2012 (2026 for HKU, CUHK, HKUST, PolyU, EdUHK and HKMU), subject-level tables where published, applicants per place and official descriptions • Enter your HKDSE results: your score for 365 programmes, each under its own formula, and where you stand against the median • 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 (starting at your form), topic and difficulty, plus an out-of-syllabus Challenging tier • Focused practice: almost every question is matched to its main subtopic; you choose which others it may use • Timed S1–S6 mock exams that mirror the real HKDSE Paper 2 — your first 2 are free • Instant marking: a grade estimate, per-question review, per-topic time and accuracy • DSE LEVEL PREDICTOR: mock scores graded on the real cut-offs of the last six HKDSE Maths exams • 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 — or a scratch sheet • Hold at a stroke's end and it snaps perfect — lines, circles, polygons, parabolas • Apple Pencil always draws; workings are never stored VISUAL MATH LAB • 43 interactive topics across the Compulsory Part, M1 and M2: drag real DSE figures, watch the maths respond • Four labs are free with no account; the rest are free to read — upgrade to interact REVISION TIMETABLE • Plan any of the 25 HKDSE subjects with official papers and topics: drag blocks, add reminders, select sessions to delete, with Undo, or let "Build my week" fill your free hours 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, the Exam Calculator, full past-paper solutions, 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, with separate app and question languages. 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

About

MaTHE

Features
Read full description

MaTHE 是一款為香港中學生而設的 DSE 數學自主學習 App,透過持續練習、即時回饋和錯題整理,協助學生逐步鞏固香港中學文憑試數學科所需能力。 主要功能: • 毋須登入即可按課題及程度進行隨機數學練習 • 訪客模式會在裝置保留最近 20 次成績及錯題紀錄 • 查看成績紀錄、學習進度及課題掌握分析 • 自動整理錯題,可按指定課題重新挑戰及改正 • 已批准學生帳戶可使用班級功課及雲端保留學習紀錄 • 可影相或從相簿上載指定功課,取得輔助批改結果 • 使用者可在 App 內永久刪除自行建立的帳戶及相關個人資料 相機及相片功能只會在使用者主動上載功課圖片時使用。自動產生的批改內容只作學習輔助,重要評分結果應由老師或使用者自行核實。

Screenshots

Crestellar Academy4 screens
MaTHE4 screens

Verdict

The call

The clearest difference is in-app purchases: MaTHE at none against Crestellar Academy's 10. MaTHE also leads on iOS requirement (16.4 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Crestellar Academy sells 10 in-app purchases, starting at $4.99 per month. MaTHE asks for nothing beyond the download.

UpkeepUpdate frequency

Crestellar Academy ships an update weekly, MaTHE every 4 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 4 level
Crestellar Academy versus MaTHE: the parameters behind the verdict, then further details
ParameterCrestellar AcademyMaTHE
PriceFreeFree
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.616.4 — better
Further details — not scored
Size88 MB62 MB
Age rating12+12+
DeveloperCrestellar Academy Limitedchak wing chan

In-app purchases

10 purchases

Crestellar Academy

Subscriptions8
  • Plus$4.991 Month
  • Pro$9.991 Month
  • Max 5x$14.991 Month
Show 5 more
  • Max 20x$34.991 Month
  • Plus$49.991 Year
  • Pro$99.991 Year
  • Max 5x$149.991 Year
  • Max 20x$299.991 Year
One-time2
  • 500 Tokens$5.99
  • 2,000 Tokens$19.99
None

MaTHE

No in-app purchases

Questions

Is Crestellar Academy free?
Crestellar Academy is free to download, with in-app purchases available.
Is MaTHE free?
MaTHE is free to download, with no in-app purchases.
Do Crestellar Academy or MaTHE have ads?
Neither Crestellar Academy nor MaTHE shows ads.
Which is updated more often, Crestellar Academy or MaTHE?
Crestellar Academy ships an update weekly, and MaTHE every 4 days. Most recently, Crestellar Academy was updated on November 8, 2026 and MaTHE on November 10, 2026.

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