DSE 數學公式 vs 化學之書
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DSE 數學公式
Access essential formulas and theorems for the HKDSE Mathematics exam. This app helps Hong Kong students easily find and bookmark key information for revision. It supports English and Chinese languages.
- Formulas and theorems for HKDSE Math
- Graph visualizations for formulas
- Bookmark important pages
- Supports English, Traditional Chinese, Simplified Chinese
- Covers various math categories
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This is an app for Hong Kong students to prepare for the HKDSE Mathematics (compulsory Part) Examination. Students can find the formulas (with graph) and theorems easily in the app and bookmark the page they want to revise. The app support English, traditional Chinese and simplified Chinese. Main categories are list below: Formulas and Identities Exponential Functions and Logarithmic Functions Errors Percentages More about Polynomials Equations and Complex Number More about Graphs of Functions Variations Sequence More about Trigonometric Mensuration Coordinates Geometry Equations Permutation and Combination Standard Deviation
化學之書
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BHNKC CHEM 是一款專為 HKDSE 化學科考生量身打造的溫習神器!無論你是在通勤途中,還是考前衝刺,這款 App 都能幫你隨時隨地鞏固化學知識,掌握奪星關鍵。 【核心功能特色】 全新功能:互動知識圖 (Knowledge Graphs) 告別死記硬背!我們將 DSE 最核心的化學概念,轉化為生動、可互動的知識圖譜。支援雙指縮放與拖曳,點擊節點即可查看詳細解說。涵蓋 16 大必考課題,包括: • 電子排佈與週期表 • 金屬活性序與金屬反應 • 鍵合與結構 • 酸和鹼 • 氧化還原、常見氧化還原劑與電化序 (E.C.S.) • 反應速率與化學平衡 • 碳化合物反應路徑 (Organic Pathways) • 工業化學 (哈柏法、氯鹼工業、甲醇生產、綠色化學) 必背筆記 (Must-Know Notes) 精煉各個課題的重點精華,按書本及課題有系統地分類,讓你快速重溫核心概念、定義及常考重點。 實驗裝置 (Experimental Setups) 收錄 DSE 必學的經典化學實驗裝置圖。支援高解析度放大查看,並可一鍵分享圖象給同學一起討論。 化學方程式 (Chemical Equations) 內置完整的化學方程式總覽 PDF,助你輕鬆應付需要書寫全方程式或離子方程式的題目。 多項選擇題庫 (MC Practice) 精選大量 MC 題目,特設自動記錄進度功能。清楚顯示「答對」與「待溫習」的題目,針對弱點反覆練習,提升答題速度與準確率。 官方教學頻道 內置 BHNKC 化學 YouTube 頻道連結,一鍵直達觀看教學影片,學習零死角。 【設計貼心】 • 支援深色模式 (Dark Mode) 與淺色模式 (Light Mode),對比度經特別優化,保護雙眼。 • 介面簡潔清晰,專為流動裝置設計,閱讀舒適。 立即下載 BHNKC CHEM,讓化學溫習變得更高效、更有趣!
Screenshots
Verdict
The clearest difference is update cadence: 化學之書 at every 3 weeks against DSE 數學公式's every 3 months. DSE 數學公式's advantage is iOS requirement (15.0 vs 17.0). 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.
DSE 數學公式 ships an update every 3 months, 化學之書 every 3 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.
| Parameter | DSE 數學公式 | 化學之書 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 27 MB | 55 MB |
| Age rating | 4+ | 12+ |
| Developer | Moux Interactive Limited | BUDDHIST HO NAM KAM COLLEGE |
In-app purchases
DSE 數學公式
No in-app purchases
化學之書
No in-app purchases









