# Errolux DSE數學錯題簿 vs DSE AI Speak

The clearest difference is update cadence: Errolux DSE數學錯題簿 at daily against DSE AI Speak's every 2 months. Errolux DSE數學錯題簿 also leads on device support (3 vs 1) and iOS requirement (15.0.0 vs 26.2). On price, ads and in-app purchases 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 AI Speak sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Errolux DSE數學錯題簿 ships an update daily, DSE AI Speak every 2 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Errolux DSE數學錯題簿 | DSE AI Speak |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 62 MB | 1 MB |
| Requires iOS | **15.0.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kin Wai NG](https://appshunter.io/developer/1848593790) | [Kin Fai Lee](https://appshunter.io/developer/531306021) |

## 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 AI Speak

[App page](https://appshunter.io/ios/app/dse-ai-speak/id6761884607)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $3.99 | per month |
| Advanced Plan | $9.99 | per month |
| Elite Plan | $12.99 | per month |


## 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 AI Speak free?

DSE AI Speak is free to download, with in-app purchases available.

### Do Errolux DSE數學錯題簿 or DSE AI Speak have ads?

Neither Errolux DSE數學錯題簿 nor DSE AI Speak shows ads.

### Which is updated more often, Errolux DSE數學錯題簿 or DSE AI Speak?

Errolux DSE數學錯題簿 ships an update daily, and DSE AI Speak every 2 months. Most recently, Errolux DSE數學錯題簿 was updated on October 4, 2026 and DSE AI Speak on October 17, 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.*