Comparison

HKDSE Physics Practice & Notes vs Sayo Academy

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

Head to head
About

HKDSE Physics Practice & Notes

Features
Read full description

Master HKDSE Physics in 10-minute focused drills — mechanics, electromagnetism, waves and more, all aligned to the HKEAA Curriculum & Assessment Guide. "DSE Physics Master" is built for Hong Kong DSE candidates. Physics rewards both clear concepts and precise calculation, yet many students lose marks on formula handling, unit conversion or experiment descriptions. We condense the whole syllabus into sharp 10-minute practice sessions that follow the HKEAA answering conventions. KEY FEATURES Full compulsory & elective coverage — Heat and Gases, Force and Motion, Wave Motion, Electricity and Magnetism, Radioactivity and Nuclear Energy, plus Astronomy, Atomic World, Energy & Use of Energy and Medical Physics. Step-by-step solutions that flag required units, significant figures and vector directions, with the keywords examiners look for in description and experiment questions. 100% ad-free, distraction-free study. Past-paper analysis (2013–2026): real per-topic average marks and question frequency so you spend revision time where it counts. Smart mistake tracking that logs every wrong question for targeted review. — Subscription — The Pro plan is an auto-renewable subscription at HK$68/month. It renews automatically within 24 hours before the end of each period unless auto-renew is turned off in your App Store account settings; your Apple ID account is charged on confirmation. Manage or cancel anytime in account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.10minquiz.com/zh-hant/privacy-policy

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

Screenshots

HKDSE Physics Practice & Notes4 screens
Sayo Academy4 screens

Verdict

The call

The clearest difference is update cadence: HKDSE Physics Practice & Notes at every 3 days against Sayo Academy's every 2 weeks. On price, ads, in-app purchases 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 Physics Practice & Notes sells 4 in-app purchases, starting at $8.99 per month and Sayo Academy sells 4 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

HKDSE Physics Practice & Notes ships an update every 3 days, Sayo Academy every 2 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard1 real difference · 5 level
HKDSE Physics Practice & Notes versus Sayo Academy: the parameters behind the verdict, then further details
ParameterHKDSE Physics Practice & NotesSayo Academy
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size145 MB13 MB
Age rating4+4+
DeveloperPickmy AIApplied Artificial Intelligence Laboratory

In-app purchases

4 purchases

HKDSE Physics Practice & Notes

Subscriptions1
  • DSE Physics Pro$8.991 Month
One-time3
  • 180日 Pro 全功能$19.99
  • 90日 Pro 全功能$19.99
  • Pro 90天優惠$19.99
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

Questions

Is HKDSE Physics Practice & Notes free?
HKDSE Physics Practice & Notes is free to download, with in-app purchases available.
Is Sayo Academy free?
Sayo Academy is free to download, with in-app purchases available.
Do HKDSE Physics Practice & Notes or Sayo Academy have ads?
Neither HKDSE Physics Practice & Notes nor Sayo Academy shows ads.
Which is updated more often, HKDSE Physics Practice & Notes or Sayo Academy?
HKDSE Physics Practice & Notes ships an update every 3 days, and Sayo Academy every 2 weeks. Most recently, HKDSE Physics Practice & Notes was updated on November 5, 2026 and Sayo Academy on November 6, 2026.

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