# 懲教署投考全攻略 CSDReady vs HK Fire Services Exam Prep

The clearest difference is price: HK Fire Services Exam Prep at Free against 懲教署投考全攻略 CSDReady's $11.99. HK Fire Services Exam Prep also leads on iOS requirement (15.6 vs 18.6). 懲教署投考全攻略 CSDReady's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

HK Fire Services Exam Prep is free to download; 懲教署投考全攻略 CSDReady costs $11.99 up front. HK Fire Services Exam Prep sells 1 one-off in-app purchase. 懲教署投考全攻略 CSDReady asks for nothing beyond the download.

懲教署投考全攻略 CSDReady ships an update every 2 days, HK Fire Services Exam Prep every 4 days. Both last shipped on October 3, 2026.

## The numbers

| Metric | 懲教署投考全攻略 CSDReady | HK Fire Services Exam Prep |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 22 MB | 92 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SUET MUI NG](https://appshunter.io/developer/1875673704) | [Pickmy AI](https://appshunter.io/developer/1869516043) |

## What reviewers say

### 懲教署投考全攻略 CSDReady

[App page](https://appshunter.io/ios/app/csdready/id6785542417)

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

**In-app purchases:** none


### HK Fire Services Exam Prep

[App page](https://appshunter.io/ios/app/hk-fire-services-exam-prep/id6793595036)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 180-Day Pro | $19.99 | one-time |


## Frequently asked questions

### Is 懲教署投考全攻略 CSDReady free?

懲教署投考全攻略 CSDReady costs $11.99, with no in-app purchases.

### Is HK Fire Services Exam Prep free?

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

### Do 懲教署投考全攻略 CSDReady or HK Fire Services Exam Prep have ads?

Neither 懲教署投考全攻略 CSDReady nor HK Fire Services Exam Prep shows ads.

### Which is updated more often, 懲教署投考全攻略 CSDReady or HK Fire Services Exam Prep?

懲教署投考全攻略 CSDReady ships an update every 2 days, and HK Fire Services Exam Prep every 4 days. Most recently, 懲教署投考全攻略 CSDReady was updated on October 3, 2026 and HK Fire Services Exam Prep on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*