# 生物记 vs 电工证考试题库

The clearest difference is in-app purchases: 生物记 at none against 电工证考试题库's 3. 生物记 also leads on update cadence (every 3 months vs every 35 months). 电工证考试题库's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 电工证考试题库 sells 3 one-off in-app purchases. 生物记 asks for nothing beyond the download.

生物记 ships an update every 3 months, 电工证考试题库 every 35 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 生物记 | 电工证考试题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 35 months |
| Size | 94 MB | 20 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [北京微普科创科技有限公司](https://appshunter.io/developer/1073525273) | [发中 严](https://appshunter.io/developer/1674687905) |

## What reviewers say

### 生物记

[App page](https://appshunter.io/ios/app/id1468297340)

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

**In-app purchases:** none


### 电工证考试题库

[App page](https://appshunter.io/ios/app/2021/id1580492642)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP1个月 | $2.99 | one-time |
| VIP6个月 | $3.99 | one-time |
| VIP12个月 | $4.99 | one-time |


## Frequently asked questions

### Is 生物记 free?

生物记 is free to download, with no in-app purchases.

### Is 电工证考试题库 free?

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

### Do 生物记 or 电工证考试题库 have ads?

Neither 生物记 nor 电工证考试题库 shows ads.

### Which is updated more often, 生物记 or 电工证考试题库?

生物记 ships an update every 3 months, and 电工证考试题库 every 35 months. Most recently, 生物记 was updated on October 26, 2026 and 电工证考试题库 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.*