# 桔子水情 vs 保安员题库Pro

The clearest difference is in-app purchases: 桔子水情 at none against 保安员题库Pro's 1. 桔子水情 also leads on iOS requirement (9.0 vs 15.6). 保安员题库Pro's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 保安员题库Pro sells 1 in-app purchase, starting at $0.99 per month. 桔子水情 asks for nothing beyond the download.

桔子水情 ships an update every 2 months, 保安员题库Pro weekly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 桔子水情 | 保安员题库Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free |
| Size | 75 MB | 61 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [辉明 金](https://appshunter.io/developer/1447862985) | [Shijiazhuang Yezhiting Technology Co., Ltd](https://appshunter.io/developer/1704123284) |

## What reviewers say

### 桔子水情

[App page](https://appshunter.io/ios/app/id1598296735)

**Features:** macOS Compatibility

**In-app purchases:** none


### 保安员题库Pro

[App page](https://appshunter.io/ios/app/pro-2026/id6763006178)

This app is a comprehensive study tool for aspiring and current security guards. It offers practice questions, mock exams, and detailed explanations covering all essential topics for certification exams. Prepare effectively for various security guard levels with offline access and personalized review features.

**Highlights:** Comprehensive question bank for all security guard levels, Covers legal regulations, safety, and emergency procedures, Includes past papers, high-frequency questions, and mock exams, Chapter-specific practice and daily exercises, Automatic错题 (wrong answer) collection and review, Offline study mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP去广告 | $0.99 | per month |


## Frequently asked questions

### Is 桔子水情 free?

桔子水情 is free to download, with no in-app purchases.

### Is 保安员题库Pro free?

保安员题库Pro is free to download, with in-app purchases available.

### Do 桔子水情 or 保安员题库Pro have ads?

Neither 桔子水情 nor 保安员题库Pro shows ads.

### Which is updated more often, 桔子水情 or 保安员题库Pro?

桔子水情 ships an update every 2 months, and 保安员题库Pro weekly. Most recently, 桔子水情 was updated on November 7, 2026 and 保安员题库Pro on November 9, 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.*