# 云信英语阅读专注版 vs HKDSE Math Practice & Notes

The clearest difference is ads: HKDSE Math Practice & Notes at none against 云信英语阅读专注版's shown. HKDSE Math Practice & Notes also leads on update cadence (every 3 days vs weekly). 云信英语阅读专注版's advantage is iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 云信英语阅读专注版 sells 1 one-off in-app purchase and HKDSE Math Practice & Notes sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

云信英语阅读专注版 ships an update weekly, HKDSE Math Practice & Notes every 3 days. The most recent releases landed on October 13, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 云信英语阅读专注版 | HKDSE Math Practice & Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Size | 67 MB | 222 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wei Qiu](https://appshunter.io/developer/1718392426) | [Pickmy AI](https://appshunter.io/developer/1869516043) |

## What reviewers say

### 云信英语阅读专注版

[App page](https://appshunter.io/ios/app/id6478449479)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁全部功能 | $1.99 | one-time |


### HKDSE Math Practice & Notes

[App page](https://appshunter.io/ios/app/hkdse-math-practice-and-notes/id6809379110)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Pro 180 Days | $19.99 | one-time |
| Math Pro 90 Days | $19.99 | one-time |


## Frequently asked questions

### Is 云信英语阅读专注版 free?

云信英语阅读专注版 is free to download, with in-app purchases available.

### Is HKDSE Math Practice & Notes free?

HKDSE Math Practice & Notes is free to download, with in-app purchases available.

### Do 云信英语阅读专注版 or HKDSE Math Practice & Notes have ads?

云信英语阅读专注版 shows ads; HKDSE Math Practice & Notes does not.

### Which is updated more often, 云信英语阅读专注版 or HKDSE Math Practice & Notes?

云信英语阅读专注版 ships an update weekly, and HKDSE Math Practice & Notes every 3 days. Most recently, 云信英语阅读专注版 was updated on October 13, 2026 and HKDSE Math Practice & Notes on October 22, 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.*