# 电工考试题库 vs 安规题库

The clearest difference is update cadence: 电工考试题库 at every 3 months against 安规题库's every 35 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 电工考试题库 sells 10 one-off in-app purchases and 安规题库 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

电工考试题库 ships an update every 3 months, 安规题库 every 35 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 电工考试题库 | 安规题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 35 months |
| Size | 87 MB | 16 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [优积谷网络科技有限公司](https://appshunter.io/developer/1343572560) | [Shenzhen Qianhaitiantian Financial Investment Service Co., Ltd.](https://appshunter.io/developer/1255477419) |

## What reviewers say

### 电工考试题库

[App page](https://appshunter.io/ios/app/id1391543054)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1学币 | $0.99 | one-time |
| 10学币 | $0.99 | one-time |
| 40学币 | $5.99 | one-time |
| 50学币 | $6.99 | one-time |
| 100学币 | $14.99 | one-time |
| 120学币 | $17.99 | one-time |
| 150学币 | $19.99 | one-time |
| 300学币 | $39.99 | one-time |
| 电工初级职业技能鉴定培训课程 | $45.99 | one-time |
| 电工中级职业技能鉴定培训课程 | $45.99 | one-time |


### 安规题库

[App page](https://appshunter.io/ios/app/2021/id1580656183)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP10个月 | $1.99 | one-time |
| VIP22个月 | $2.99 | one-time |
| VIP34个月 | $3.99 | one-time |


## Frequently asked questions

### Is 电工考试题库 free?

电工考试题库 is free to download, with in-app purchases available.

### Is 安规题库 free?

安规题库 is free to download, with in-app purchases available.

### Do 电工考试题库 or 安规题库 have ads?

Neither 电工考试题库 nor 安规题库 shows ads.

### Which is updated more often, 电工考试题库 or 安规题库?

电工考试题库 ships an update every 3 months, and 安规题库 every 35 months. Most recently, 电工考试题库 was updated on October 26, 2026 and 安规题库 on November 3, 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.*