# 安规题库 vs 天行电力

The clearest difference is in-app purchases: 天行电力 at none against 安规题库's 3. 天行电力 also leads on update cadence (every 5 weeks vs every 35 months). 安规题库's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 安规题库 sells 3 one-off in-app purchases. 天行电力 asks for nothing beyond the download.

安规题库 ships an update every 35 months, 天行电力 every 5 weeks. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 安规题库 | 天行电力 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 5 weeks** |
| Size | 16 MB | 38 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Qianhaitiantian Financial Investment Service Co., Ltd.](https://appshunter.io/developer/1255477419) | [知行网络科技有限公司](https://appshunter.io/developer/1302725349) |

## What reviewers say

### 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 |


### 天行电力

[App page](https://appshunter.io/ios/app/id6473074069)

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

**In-app purchases:** none


## Frequently asked questions

### Is 安规题库 free?

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

### Is 天行电力 free?

天行电力 is free to download, with no in-app purchases.

### Do 安规题库 or 天行电力 have ads?

Neither 安规题库 nor 天行电力 shows ads.

### Which is updated more often, 安规题库 or 天行电力?

安规题库 ships an update every 35 months, and 天行电力 every 5 weeks. Most recently, 安规题库 was updated on October 17, 2026 and 天行电力 on October 25, 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.*