Comparison

Dual vs HKDSE Physics Practice & Notes

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

Head to head
About

Dual

Features
Read full description

Dual-Model Scientific Calc is a polished scientific calculator app built for students who want real exam-style practice, not just quick answers. It is especially popular with Hong Kong HKDSE students, but the core value is universal: two Casio-style calculator workflows in one app. **What makes it different** • Switch instantly between fx-50FH II and fx-3650PII style layouts • Practice key positions, mode flow, Replay, and common exam habits • Keep your last model, key setup choices, and saved PRGM programs • Open an optional beginner tutorial whenever you want to learn features step by step **Core calculator features** • 6 core modes: COMP, SD, REG, BASE, CMPLX, PRGM • Trig, logs, exponents, powers, roots, factorial, nPr, nCr • Fractions, complex numbers, statistics, base conversion, and programmable functions • 40 scientific constants and 23 built-in formulas • Ans memory, Multi-replay, and calculation history for faster practice **Best for** • Students who want Casio-style scientific calculator practice • Learners who want to build calculator muscle memory before exams • Anyone who wants a dual-model scientific calculator with programmable support **Optional purchase** • One-time Remove Ads purchase for distraction-free study

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

Screenshots

Dual4 screens
HKDSE Physics Practice & Notes4 screens

Verdict

The call

The clearest difference is iOS requirement: Dual at 13.0 against HKDSE Physics Practice & Notes's 15.6. On price, update cadence, ads and in-app purchases 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. Dual sells 1 one-off in-app purchase and HKDSE Physics Practice & Notes sells 4 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Dual ships an update every 2 days, HKDSE Physics Practice & Notes every 3 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 5 level
Dual versus HKDSE Physics Practice & Notes: the parameters behind the verdict, then further details
ParameterDualHKDSE Physics Practice & Notes
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 3 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size26 MB145 MB
Age rating4+4+
DeveloperOuTech LimitedPickmy AI

In-app purchases

1 purchases

Dual

One-time1
  • Remove Ads$3.99
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

Questions

Is Dual free?
Dual is free to download, with in-app purchases available.
Is HKDSE Physics Practice & Notes free?
HKDSE Physics Practice & Notes is free to download, with in-app purchases available.
Do Dual or HKDSE Physics Practice & Notes have ads?
Neither Dual nor HKDSE Physics Practice & Notes shows ads.
Which is updated more often, Dual or HKDSE Physics Practice & Notes?
Dual ships an update every 2 days, and HKDSE Physics Practice & Notes every 3 days. Most recently, Dual was updated on October 31, 2026 and HKDSE Physics Practice & Notes on November 5, 2026.

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