# 掌上电工

> 掌上电工 (iPhone/iPad app by Dingyuan County Hongyuan Electric Installation Co., Ltd..)

- Source: https://appshunter.io/ios/app/id1541110370 (this page in markdown: same URL + `.md`)
- Developer: [Dingyuan County Hongyuan Electric Installation Co., Ltd.](https://appshunter.io/developer/1541110372)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 9.0 · 65 MB
- Languages: English, Chinese
- Released: 2020-12-28
- Data updated: 2025-01-09
- User reviews in markdown: https://appshunter.io/ios/app/id1541110370/reviews.md

## What is 掌上电工?

掌上电工软件是一款专为电工考试用户打造的手机在线学习服务应用软件，电工题库内有丰富的知识点，帮助用户快速通过电工考试，电工题库涵盖了低压电工，高压电工，电力电缆，继电保护，电气试验等题库，其中低压电工和高压电工及复审题库为历年真题题库，助力电气学者快速通过考试。

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 合伙人 | $149.99 | one-time |
| 余额充值6元 | $0.99 | one-time |
| 余额充值88 | $12.99 | one-time |
| 余额充值 388 | $59.99 | one-time |
| 余额充值 768 | $99.99 | one-time |
| 余额充值 548 | $79.99 | one-time |
| 余额充值 258 | $39.99 | one-time |
| 余额充值128 | $19.99 | one-time |
| 余额充值 1288 | $199.99 | one-time |
| 余额充值48 | $6.99 | one-time |



## Version history (last 3 releases)

### 2.1.8 — 2023-03-21

新增UPS计算器
新增谐振计算器
优化已知BUG

### 2.1.3 — 2023-01-10

1.优化已知BUG
2.新增电工计算器
3.新增商城

### 1.0 — 2020-12-28

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2025-01-09.*