# Errolux DSE數學錯題簿 vs DSE 香港聯招升學神器

The clearest difference is update cadence: Errolux DSE數學錯題簿 at daily against DSE 香港聯招升學神器's every 5 days. DSE 香港聯招升學神器's advantage is iOS requirement (13.0 vs 15.0.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Errolux DSE數學錯題簿 sells 3 in-app purchases, starting at $4.99 per month and DSE 香港聯招升學神器 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Errolux DSE數學錯題簿 ships an update daily, DSE 香港聯招升學神器 every 5 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Errolux DSE數學錯題簿 | DSE 香港聯招升學神器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 62 MB | 33 MB |
| Requires iOS | 15.0.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kin Wai NG](https://appshunter.io/developer/1848593790) | [Hubei Shuxin Information Technology Limited](https://appshunter.io/developer/1802618314) |

## What reviewers say

### Errolux DSE數學錯題簿

[App page](https://appshunter.io/ios/app/errolux-dse/id6754518544)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Errolux Pro - Monthly Subscription | $4.99 | per month |
| Errolux Pro - Annual Subscription | $34.99 | per year |
| Errolux Pro User | $69.99 | one-time |


### DSE 香港聯招升學神器

[App page](https://appshunter.io/ios/app/dse/id6756908245)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 點數 | $1.99 | one-time |
| VIP - 3 changes allowed for 1 week | $8.99 | one-time |
| VIP - 20 changes for 180 days | $14.99 | one-time |


## Frequently asked questions

### Is Errolux DSE數學錯題簿 free?

Errolux DSE數學錯題簿 is free to download, with in-app purchases available.

### Is DSE 香港聯招升學神器 free?

DSE 香港聯招升學神器 is free to download, with in-app purchases available.

### Do Errolux DSE數學錯題簿 or DSE 香港聯招升學神器 have ads?

Neither Errolux DSE數學錯題簿 nor DSE 香港聯招升學神器 shows ads.

### Which is updated more often, Errolux DSE數學錯題簿 or DSE 香港聯招升學神器?

Errolux DSE數學錯題簿 ships an update daily, and DSE 香港聯招升學神器 every 5 days. Most recently, Errolux DSE數學錯題簿 was updated on November 5, 2026 and DSE 香港聯招升學神器 on November 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.*