# 好補寶 x 改簿寶 vs CantoDuck

The clearest difference is update cadence: 好補寶 x 改簿寶 at every 2 days against CantoDuck's weekly. CantoDuck's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 好補寶 x 改簿寶 sells 5 in-app purchases, starting at $1.99 per month and CantoDuck sells 2 in-app purchases, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.

好補寶 x 改簿寶 ships an update every 2 days, CantoDuck weekly. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 好補寶 x 改簿寶 | CantoDuck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 11 MB | 250 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LAI Yiu Yeung](https://appshunter.io/developer/1889122713) | [ONNINE LABS PTY LTD](https://appshunter.io/developer/6787587162) |

## What reviewers say

### 好補寶 x 改簿寶

[App page](https://appshunter.io/ios/app/x/id6772957967)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $1.99 | per month |
| Pro 月費 | $8.99 | per month |
| Plus Yearly | $8.99 | per year |
| Pro Yearly | $69.99 | per year |
| 50+10 Credit | $4.99 | one-time |


### CantoDuck

[App page](https://appshunter.io/ios/app/cantoduck-learn-cantonese/id6787587160)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CantoDuck Premium (Yearly) | $24.99 | per year |
| CantoDuck Premium (Referral) | $24.99 | per year |


## Frequently asked questions

### Is 好補寶 x 改簿寶 free?

好補寶 x 改簿寶 is free to download, with in-app purchases available.

### Is CantoDuck free?

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

### Do 好補寶 x 改簿寶 or CantoDuck have ads?

Neither 好補寶 x 改簿寶 nor CantoDuck shows ads.

### Which is updated more often, 好補寶 x 改簿寶 or CantoDuck?

好補寶 x 改簿寶 ships an update every 2 days, and CantoDuck weekly. Most recently, 好補寶 x 改簿寶 was updated on September 21, 2026 and CantoDuck on September 24, 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.*