Comparison

Sayo Academy 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

Sayo Academy

Features
Read full description

Sayo Academy is the AI workspace for schools — mark, prepare, and teach in one place. TEACHERS • AI Marker — upload PDF, image, or Word scripts, add your question paper and marking scheme, then review every score before students see it • Materials & generation — create PowerPoint decks, worksheets, notices, and visuals, then save or send to a classroom • Classrooms — assign work, track progress, and manage students in one room • Sayo Chat & agents — draft lessons, build quizzes and practice apps, and pin tutoring agents for your class STUDENTS • Open classroom assignments and AI tools from your school’s Sayo rooms • Get clear feedback after teachers confirm marks • Practice with quizzes and agents your teacher pins for you BUILT FOR SCHOOLS • Fits Hong Kong teaching workflows and school accounts • Teachers stay in control — AI suggests; you approve • Works with Sayo subject tools (English, Chinese, maths, and more) when your school uses them Sign in with Sayo account to get started. --- SUBSCRIPTION PLANS & TERMS Sayo Academy offers optional auto-renewable subscriptions: • Pro Monthly (1 Month) • Pro Annual (1 Year) • Pro Plus Monthly (1 Month) • Pro Plus Annual (1 Year) • Payment will be charged to your Apple ID account at confirmation of purchase. • Subscription automatically renews unless canceled at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • You can manage and cancel your subscriptions in your App Store account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sayo.ai/privacy

About

HKDSE Math Practice & Notes

Features
Read full description

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

Sayo Academy3 screens
HKDSE Math Practice & Notes4 screens

Verdict

The call

Sayo Academy and HKDSE Math Practice & Notes are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Sayo Academy sells 4 in-app purchases, starting at $19.99 per month and HKDSE Math Practice & Notes sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Sayo Academy versus HKDSE Math Practice & Notes: the parameters behind the verdict, then further details
ParameterSayo AcademyHKDSE Math Practice & Notes
PriceFreeFree
Update frequency—Every 3 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size10 MB182 MB
Age rating4+4+
DeveloperApplied Artificial Intelligence LaboratoryPickmy AI

In-app purchases

4 purchases

Sayo Academy

Subscriptions4
  • Basic (Monthly)$19.991 Month
  • Pro (Monthly)$59.991 Month
  • Basic (Annual)$179.991 Year
Show 1 more
  • Pro (Annual)$539.991 Year
2 purchases

HKDSE Math Practice & Notes

One-time2
  • Math Pro 180 Days$19.99
  • Math Pro 90 Days$19.99

Questions

Is Sayo Academy free?
Sayo Academy is free to download, with in-app purchases available.
Is HKDSE Math Practice & Notes free?
HKDSE Math Practice & Notes is free to download, with in-app purchases available.
Do Sayo Academy or HKDSE Math Practice & Notes have ads?
Neither Sayo Academy nor HKDSE Math Practice & Notes shows ads.

Other comparisons