# 基本法及國安法題庫 2027 vs HK Correctional Services Prep

The clearest difference is ads: HK Correctional Services Prep at none against 基本法及國安法題庫 2027's shown. HK Correctional Services Prep also leads on update cadence (every 3 days vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 基本法及國安法題庫 2027 sells 1 one-off in-app purchase and HK Correctional Services Prep sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

基本法及國安法題庫 2027 ships an update every 9 days, HK Correctional Services Prep every 3 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 基本法及國安法題庫 2027 | HK Correctional Services Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 37 MB | 91 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kei Lam Chan](https://appshunter.io/developer/1862184384) | [Pickmy AI](https://appshunter.io/developer/1869516043) |

## What reviewers say

### 基本法及國安法題庫 2027

[App page](https://appshunter.io/ios/app/2027/id6756670660)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解鎖專業版並移除廣告 | $3.99 | one-time |


### HK Correctional Services Prep

[App page](https://appshunter.io/ios/app/hk-correctional-services-prep/id6795981685)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 90-day Pro Offer | $24.99 | one-time |
| 180-Day Pro | $29.99 | one-time |
| 90-Day Pro | $29.99 | one-time |


## Frequently asked questions

### Is 基本法及國安法題庫 2027 free?

基本法及國安法題庫 2027 is free to download, with in-app purchases available.

### Is HK Correctional Services Prep free?

HK Correctional Services Prep is free to download, with in-app purchases available.

### Do 基本法及國安法題庫 2027 or HK Correctional Services Prep have ads?

基本法及國安法題庫 2027 shows ads; HK Correctional Services Prep does not.

### Which is updated more often, 基本法及國安法題庫 2027 or HK Correctional Services Prep?

基本法及國安法題庫 2027 ships an update every 9 days, and HK Correctional Services Prep every 3 days. Most recently, 基本法及國安法題庫 2027 was updated on November 5, 2026 and HK Correctional Services Prep on November 6, 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.*