# 优屹课堂 vs 电工证

The clearest difference is iOS requirement: 优屹课堂 at 12.0 against 电工证's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 优屹课堂 sells 5 in-app purchases, starting at $24.49 per month and 电工证 sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 优屹课堂 | 电工证 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 101 MB | 46 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dongguan Youyi Education Technology Co., Ltd](https://appshunter.io/developer/1491302830) | [sanqifeng](https://appshunter.io/developer/1821353265) |

## What reviewers say

### 优屹课堂

[App page](https://appshunter.io/ios/app/id1491302831)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月续订会员 | $24.49 | per month |
| 测试项目 | $0.99 | one-time |
| 1年会员订阅 | $149.99 | one-time |
| 3年会员服务订阅 | $349.99 | one-time |
| 10年会员订阅 | $799.99 | one-time |


### 电工证

[App page](https://appshunter.io/ios/app/id6748890381)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买会员1个月 | $2.99 | one-time |
| 购买会员6个月 | $3.99 | one-time |
| 购买会员12个月 | $4.99 | one-time |
| 购买会员24个月 | $6.99 | one-time |
| 购买视频课程12个月 | $29.99 | one-time |


## Frequently asked questions

### Is 优屹课堂 free?

优屹课堂 is free to download, with in-app purchases available.

### Is 电工证 free?

电工证 is free to download, with in-app purchases available.

### Do 优屹课堂 or 电工证 have ads?

Neither 优屹课堂 nor 电工证 shows ads.

### Which is updated more often, 优屹课堂 or 电工证?

优屹课堂 ships an update every 3 months, and 电工证 every 3 months. Most recently, 优屹课堂 was updated on October 25, 2026 and 电工证 on October 30, 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.*