# DSE 數學公式 vs HKDSE Chemistry

The clearest difference is in-app purchases: DSE 數學公式 at none against HKDSE Chemistry's 1. DSE 數學公式 also leads on ads (none vs shown). HKDSE Chemistry's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (11.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. HKDSE Chemistry sells 1 one-off in-app purchase. DSE 數學公式 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for DSE 數學公式 against 5.0 for HKDSE Chemistry. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

DSE 數學公式 ships an update every 3 months, HKDSE Chemistry every 3 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DSE 數學公式 | HKDSE Chemistry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/dse/id1268404729/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/hkdse-chemistry/id1489333069/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 46 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moux Interactive Limited](https://appshunter.io/developer/1268404728) | [Hang Yu LIN](https://appshunter.io/developer/1274492296) |

## What reviewers say

### DSE 數學公式

[App page](https://appshunter.io/ios/app/dse/id1268404729)

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.

**Highlights:** Formulas and theorems for HKDSE Math, Graph visualizations for formulas, Bookmark important pages, Supports English, Traditional Chinese, Simplified Chinese, Covers various math categories

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### HKDSE Chemistry

[App page](https://appshunter.io/ios/app/hkdse-chemistry/id1489333069)

This app offers a modern approach to studying and revising chemistry, tailored for the Hong Kong Diploma of Secondary Education syllabus but beneficial globally. It features detailed notes and procedurally generated quizzes for effective learning.

**Highlights:** Detailed notes for each topic, Randomized quiz generation, Clean and sleek user interface, Covers HKDSE chemistry syllabus, Procedurally generated questions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HKDSE Chem Pro | $4.99 | one-time |


## Frequently asked questions

### Is DSE 數學公式 free?

DSE 數學公式 is free to download, with no in-app purchases.

### Is HKDSE Chemistry free?

HKDSE Chemistry is free to download, with in-app purchases available.

### Which has better reviews, DSE 數學公式 or HKDSE Chemistry?

DSE 數學公式 and HKDSE Chemistry are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do DSE 數學公式 or HKDSE Chemistry have ads?

HKDSE Chemistry shows ads; DSE 數學公式 does not.

### Which is updated more often, DSE 數學公式 or HKDSE Chemistry?

DSE 數學公式 ships an update every 3 months, and HKDSE Chemistry every 3 weeks. Most recently, DSE 數學公式 was updated on October 24, 2026 and HKDSE Chemistry on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*