HK P.1 & P.2 Math vs Bisyntax Builder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HK P.1 & P.2 Math
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The objective of this app is designed for students they are from age between 5 - 6 years old & between 7 - 10 years old in Hong Kong Primary School Level 1 & 2 and any student who suitable use this mathematics exercise in any country. For Level 1: This app provide 0 to 20 in addition and subtraction exercise. For Level 2: This app provide thousand values only that enable number of two to three times addition or subtraction at mathematics exercise; It also provide a vertical calculation format randomly for hint, in case of no vertical format provide, please write your vertical format with colour pencil at rough area section. This app has Chinese and English interfaces that can provide to Chinese students and International students. For project time restriction of this app, this app only support iOS 9.0 or above and portrait orientation. This 1.0 is a first version and it will be improved/enhanced for more features according to the studies level in future. If any enquiry, please send email to: apple.development@outlook.com Enjoy. --------------------------------------------------------------- 本程式目的是設計於給香港小學生一、二年級 或 任何國家適用的兒童作數學練習用途、適合年齡介乎於大約五至十歲。 在於一年級: 本程式提供0至20的加和減的數學練習。 在於二年級: 本程式固定提供於 四個位（千位）的加、減 數學 和 一至二連續加、減數學練習；另外還會隨機提供直式以作提示計算練習、如在沒有直式的題目計算時，請自行用上彩色筆在草稿區內列出以方便計算。 本程式提供中文和英文的使用界面。 此程式因設計時間關係，現只支援 iOS 系統9.0或以上和垂直畫面。 這是1.0初版版本，而未來會跟據學習進度來被更新追加更多功能和改善。 如有任何查詢, 請電郵至: apple.development@outlook.com 祝使用愉快。 *Thanks for Ray Wenderlich's knowledge sharing* =============================================== All rights reserved by HK P.1,2 Math developer.
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.
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Verdict
The clearest difference is update cadence: Bisyntax Builder at every 4 months against HK P.1 & P.2 Math's every 30 months. HK P.1 & P.2 Math's advantage is iOS requirement (9.0 vs 11.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HK P.1 & P.2 Math ships an update every 30 months, Bisyntax Builder every 4 months. The most recent releases landed on September 20, 2026 and September 30, 2026 respectively.
| Parameter | HK P.1 & P.2 Math | Bisyntax Builder |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 30 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 7 MB | 587 MB |
| Age rating | 4+ | 4+ |
| Developer | Yik Lam Leung | Kazoo Technology (Hong Kong) Limited |
In-app purchases
HK P.1 & P.2 Math
No in-app purchases
Bisyntax Builder
No in-app purchases
Questions
Is HK P.1 & P.2 Math free?
Is Bisyntax Builder free?
Do HK P.1 & P.2 Math or Bisyntax Builder have ads?
Which is updated more often, HK P.1 & P.2 Math or Bisyntax Builder?
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