# Primo Education Centre vs 好補寶 x 改簿寶

The clearest difference is in-app purchases: Primo Education Centre at none against 好補寶 x 改簿寶's 5. Primo Education Centre also leads on iOS requirement (15.6 vs 17.0). 好補寶 x 改簿寶's advantage is update cadence (every 4 days vs every 2 months). On price, ads 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. Primo Education Centre asks for nothing beyond the download.

Primo Education Centre ships an update every 2 months, 好補寶 x 改簿寶 every 4 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Primo Education Centre | 好補寶 x 改簿寶 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 12 MB | 14 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dreamware Limited](https://appshunter.io/developer/892413586) | [LAI Yiu Yeung](https://appshunter.io/developer/1889122713) |

## What reviewers say

### Primo Education Centre

[App page](https://appshunter.io/ios/app/primo-education-centre/id6443830135)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Primo Education Centre free?

Primo Education Centre is free to download, with no in-app purchases.

### 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.

### Do Primo Education Centre or 好補寶 x 改簿寶 have ads?

Neither Primo Education Centre nor 好補寶 x 改簿寶 shows ads.

### Which is updated more often, Primo Education Centre or 好補寶 x 改簿寶?

Primo Education Centre ships an update every 2 months, and 好補寶 x 改簿寶 every 4 days. Most recently, Primo Education Centre was updated on October 21, 2026 and 好補寶 x 改簿寶 on October 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.*