Bisyntax Builder vs 數之寶島
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bisyntax Builder
Learn Chinese and English syntactic skills through engaging, game-like lessons. Master sentence structure, tenses, and prepositions with hundreds of practice questions. Acquire basic grammar knowledge in a fun and interactive way.
- Parallel Chinese and English syntactic skill development
- Game-like lessons for basic grammar
- Focus on sentence structure and tenses
- Hundreds of practice questions
- Engaging and fun learning experience
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Bisyntax Builder was developed by the Education University of Hong Kong, to teach Chinese and English syntactic skills in parallel. We aim to provide you with an engaging and fun way to acquire basic syntactic knowledge. In Bisyntax Builder, you will learn sentence structure, tenses, prepositions, and other basic grammar with game-like lessons. You can also test your knowledge on these topics with hundreds of practice questions.
數之寶島
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「數之寶島」是一個由香港大學心理學系研發的數學學習電子遊戲平台。平台旨在通過各種簡單的小遊戲，訓練學生各種不同的認知能力。平台有精緻的圖像畫面，以提高學生的學習動機。每個遊戲設有多個關卡及難度，以循序漸進地訓練學生在該數學範疇的能力。
Screenshots
Verdict
Bisyntax Builder and 數之寶島 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Bisyntax Builder ships an update every 4 months, 數之寶島 every 6 months. Both last shipped on October 15, 2026.
| Parameter | Bisyntax Builder | 數之寶島 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 587 MB | 175 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazoo Technology (Hong Kong) Limited | The University of Hong Kong |
In-app purchases
Bisyntax Builder
No in-app purchases
數之寶島
No in-app purchases
