# HKDSE 中文精讀筆記 vs ExploreMath

The clearest difference is in-app purchases: ExploreMath at none against HKDSE 中文精讀筆記's 1. ExploreMath also leads on ads (none vs shown) and update cadence (every 6 days vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HKDSE 中文精讀筆記 sells 1 one-off in-app purchase. ExploreMath asks for nothing beyond the download.

HKDSE 中文精讀筆記 ships an update every 9 months, ExploreMath every 6 days. The most recent releases landed on August 20, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | HKDSE 中文精讀筆記 | ExploreMath |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hang Yu LIN](https://appshunter.io/developer/1274492296) | [Kai Hin Tsoi](https://appshunter.io/developer/1618879551) |

## What reviewers say

### HKDSE 中文精讀筆記

[App page](https://appshunter.io/ios/app/hkdse/id1501958546)

This app provides concise notes and analysis for key units in Chinese Language, including 16 classic literary works and various rhetorical devices. It features quizzes to test understanding of these devices. Designed as a supplementary reference for HKDSE Chinese Language students.

**Highlights:** Key unit analysis, 16 classic literary works included, Rhetorical device notes, Quizzes for rhetorical devices, Simple and clear interface, Supplementary reference material

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HKDSE 中文精讀筆記 Pro | $4.99 | one-time |


### ExploreMath

[App page](https://appshunter.io/ios/app/exploremath/id1620810052)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HKDSE 中文精讀筆記 free?

HKDSE 中文精讀筆記 is free to download, with in-app purchases available.

### Is ExploreMath free?

ExploreMath is free to download, with no in-app purchases.

### Do HKDSE 中文精讀筆記 or ExploreMath have ads?

HKDSE 中文精讀筆記 shows ads; ExploreMath does not.

### Which is updated more often, HKDSE 中文精讀筆記 or ExploreMath?

HKDSE 中文精讀筆記 ships an update every 9 months, and ExploreMath every 6 days. Most recently, HKDSE 中文精讀筆記 was updated on August 20, 2026 and ExploreMath on June 5, 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.*