Comparison

Math Ocean vs 默書皇 SpellBee

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

Head to head
About

Math Ocean

Features
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MATH OCEAN的教學方式全港獨創,以學生數學能力分班,導師因應學生的能力提供適合的教育,真真正正做到因材施教。 每班的目標都會因應學生的能力有所不同,教學重點主要會落在學術深造及考試技巧方面;提升學生對數學的興趣,協助他們建立自信心,令他們愛上數學,從而一步一步帶領他們的數學成績上升。 當學生於學校成績以及中心的評估表現達到一定程度,就能夠升級,直到最終晉升至最高的海豚班,蛻變為一條能夠縱橫「數海」的海豚,成為香港數學明日之星! The app introducing a new experience for the parent communication with the centre with: - Renewal or special event reminder - Deliver message or notice to parent - Enrollment details and renewal history - Class information - Photo Corner - e-Receipt and e-Invoice - Self makeup

About

默書皇 SpellBee

Features
Read full description

30 minutes of dictation every night? Let SpellBee handle it. SpellBee is the simplest dictation and spelling practice app for kids and parents. Parents add words in 30 seconds, and kids practice independently — no more sitting next to them reading words one by one. Core Features - Trilingual TTS — Cantonese, Mandarin, and English voice support - Chinese Handwriting — Authentic grid paper (田字格) for character practice - English Spelling — Type-and-check with instant grading - Repeat & Slow Mode — Replay words at normal or slow speed - Score Tracking — Star ratings to track every improvement - Wrong Word Review — Automatically collect mistakes for extra practice Why SpellBee? - 30-Second Setup — Add words and start practicing immediately - Fully Offline — No internet needed, works anywhere - Free — All core features at zero cost - Custom Word Lists — Match your school's weekly spelling list perfectly - Bilingual UI — Switch between Chinese and English anytime How Parents Use It Monday: Get the spelling list from school, add words in 30 seconds Tuesday-Thursday: Kids practice 10 minutes daily on their own Friday: Final review before the test Result: Parents save 30 minutes every evening, kids improve their scores Perfect For - Primary/elementary school students (ages 5-12) - Parents helping kids with weekly dictation - Chinese language learners practicing character writing - Students improving English spelling skills

Screenshots

Math Ocean4 screens
默書皇 SpellBee4 screens

Verdict

The call

Math Ocean and 默書皇 SpellBee are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
Math Ocean versus 默書皇 SpellBee: the parameters behind the verdict, then further details
ParameterMath Ocean默書皇 SpellBee
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size12 MB40 MB
Age rating4+4+
DeveloperDreamware LimitedSai Wai Law

In-app purchases

None

Math Ocean

No in-app purchases

None

默書皇 SpellBee

No in-app purchases

Questions

Is Math Ocean free?
Math Ocean is free to download, with no in-app purchases.
Is 默書皇 SpellBee free?
默書皇 SpellBee is free to download, with no in-app purchases.
Do Math Ocean or 默書皇 SpellBee have ads?
Neither Math Ocean nor 默書皇 SpellBee shows ads.
Which is updated more often, Math Ocean or 默書皇 SpellBee?
Math Ocean ships an update every 2 months, and 默書皇 SpellBee every 2 months. Most recently, Math Ocean was updated on November 2, 2026 and 默書皇 SpellBee on October 31, 2026.

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