Comparison

TTCApp by TTCA vs HKDSE Math Practice & Notes

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

Head to head
About

TTCApp by TTCA

Features
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TTCApp is the official campus platform of Tsung Tsin Christian Academy, providing teachers, parents and students with simple and secure access to everyday school services. Parents and students can: • View the current eConduct score, grade and approved records • Receive school push notifications and review read and unread messages • Use ECA features for registration, schedules, attendance and payments • Sign in using a one-time verification code sent by email or SMS Teachers can: • Verify their identity through secure Google sign-in • Create and approve eConduct records using a guided workflow • Select students by teaching group, custom group or search • View their classes and the latest student records • Create and track Summon requests • Use the SOS emergency support workflow to submit the classroom, incident type, students involved, and text or voice notes TTCApp supports Traditional Chinese and English with a clear, light interface. Note: This app is available only to authorised TTCA users.

About

HKDSE Math Practice & Notes

Features
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Practise by topic and use your mistakes to decide what to revise next. DSE Math is a study companion for the Compulsory Part of HKDSE Mathematics. Explore concepts, formulae and practice across 18 learning units, including algebra, functions and graphs, geometry, trigonometry, probability, and the uses and abuses of statistics. • Multiple-choice and short-answer practice with worked explanations. • 18 unit guides with recall prompts and self-checks, 394 worked-example cards, formula sheets and quick reference notes. • Mistake review and bookmarks for questions you want to revisit. • Mock exam practice and calculator equation tools. • Answer history, study progress, dark mode and adjustable text size. • Traditional Chinese, Simplified Chinese and English interfaces. Question language depends on the content provided for each item. Scope: the Compulsory Part only; the M1 and M2 Extended Parts are not included. Some features require an in-app purchase. Available plans and prices are shown on the purchase screen. This is an independent study tool, not an official product of the Hong Kong Examinations and Assessment Authority or the Education Bureau. It does not guarantee examination results. Support: info@daddyinnovation.com Privacy policy: https://www.10minquiz.com/zh-hant/privacy-policy/ Terms of use: https://www.10minquiz.com/zh-hant/terms-of-use/

Screenshots

TTCApp by TTCA4 screens
HKDSE Math Practice & Notes4 screens

Verdict

The call

The clearest difference is in-app purchases: TTCApp by TTCA at none against HKDSE Math Practice & Notes's 3. HKDSE Math Practice & Notes's advantage is iOS requirement (15.6 vs 17.6). 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. HKDSE Math Practice & Notes sells 3 one-off in-app purchases. TTCApp by TTCA asks for nothing beyond the download.

UpkeepUpdate frequency

TTCApp by TTCA ships an update every 5 days, HKDSE Math Practice & Notes every 4 days. Both last shipped on November 13, 2026.

Scorecard2 real differences · 4 level
TTCApp by TTCA versus HKDSE Math Practice & Notes: the parameters behind the verdict, then further details
ParameterTTCApp by TTCAHKDSE Math Practice & Notes
PriceFreeFree
Update frequencyEvery 5 daysEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size15 MB173 MB
Age rating4+4+
DeveloperYuk Man NgPickmy AI

In-app purchases

None

TTCApp by TTCA

No in-app purchases

3 purchases

HKDSE Math Practice & Notes

One-time3
  • 90-day Pro Offer$19.99
  • Math Pro 180 Days$19.99
  • Math Pro 90 Days$19.99

Questions

Is TTCApp by TTCA free?
TTCApp by TTCA is free to download, with no in-app purchases.
Is HKDSE Math Practice & Notes free?
HKDSE Math Practice & Notes is free to download, with in-app purchases available.
Do TTCApp by TTCA or HKDSE Math Practice & Notes have ads?
Neither TTCApp by TTCA nor HKDSE Math Practice & Notes shows ads.
Which is updated more often, TTCApp by TTCA or HKDSE Math Practice & Notes?
TTCApp by TTCA ships an update every 5 days, and HKDSE Math Practice & Notes every 4 days. Most recently, TTCApp by TTCA was updated on November 13, 2026 and HKDSE Math Practice & Notes on November 13, 2026.

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