# 电工PLC题库 vs 注册电气工程师圣题库

The clearest difference is in-app purchases: 电工PLC题库 at none against 注册电气工程师圣题库's 10. 注册电气工程师圣题库's advantage is update cadence (monthly vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 注册电气工程师圣题库 sells 10 one-off in-app purchases. 电工PLC题库 asks for nothing beyond the download.

电工PLC题库 ships an update every 14 months, 注册电气工程师圣题库 monthly. The most recent releases landed on September 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 电工PLC题库 | 注册电气工程师圣题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Size | 29 MB | 43 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen JiCheng Technology Co.,LTD.](https://appshunter.io/developer/1132617097) | [Sheng Cai E-books (Wuhan) Co., Ltd.](https://appshunter.io/developer/1448965022) |

## What reviewers say

### 电工PLC题库

[App page](https://appshunter.io/ios/app/plc/id1521131564)

**Features:** macOS Compatibility

**In-app purchases:** none


### 注册电气工程师圣题库

[App page](https://appshunter.io/ios/app/id1565294314)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 圣才月卡VIP会员 | $3.99 | one-time |
| 圣才季卡VIP会员 | $9.99 | one-time |
| 88圣才币 | $12.99 | one-time |
| 128圣才币 | $19.99 | one-time |
| 圣才半年卡VIP会员 | $19.99 | one-time |
| 圣才考研半年卡VIP会员 | $19.99 | one-time |
| 168圣才币 | $24.99 | one-time |
| 208圣才币 | $29.99 | one-time |
| 圣才年卡VIP会员 | $29.99 | one-time |
| 圣才考研年卡VIP会员 | $29.99 | one-time |


## Frequently asked questions

### Is 电工PLC题库 free?

电工PLC题库 is free to download, with no in-app purchases.

### Is 注册电气工程师圣题库 free?

注册电气工程师圣题库 is free to download, with in-app purchases available.

### Do 电工PLC题库 or 注册电气工程师圣题库 have ads?

Neither 电工PLC题库 nor 注册电气工程师圣题库 shows ads.

### Which is updated more often, 电工PLC题库 or 注册电气工程师圣题库?

电工PLC题库 ships an update every 14 months, and 注册电气工程师圣题库 monthly. Most recently, 电工PLC题库 was updated on September 30, 2026 and 注册电气工程师圣题库 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.*