---
title: "engineer toolbox - Reviews, Revenue and Downloads in China | Apple App Store"
description: "Engineer Toolbox 是一款面向电子与硬件工程师的实用计算工具，提供常见电子电路参数计算、单位换算和目标反推功能，帮助用户更高效地完成设计、分析与验证工作。 应用内包含多种常用计算功能，包括： LDO 分压电阻计算 PCB 参数计算 热阻计算 电阻 / 电容 / 电感换算 无源滤波器计算 欧姆定律计算 变压器计算 基本运放放大电路计算等 部分功能需通过自动续订订阅使用。应用提供包月订阅"
---

# engineer toolbox — China
> engineer toolbox

![engineer toolbox App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/03/00/f9/0300f934-fb63-9cc9-342e-6f5e42d313ff/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-frXumc)
**Category:** Utilities
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** com.example.EngineerToolboxMac
**Store:** Apple App Store
**Country:** China
**Version:** 1.0 (released 2026-03-28)
**Original Release:** 2026-03-28
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/cn/app/app/id6759856213)
**AppTail Page:** [https://apptail.io/app/engineer-toolbox-SJmA/china](https://apptail.io/app/engineer-toolbox-SJmA/china)

## engineer toolbox Description
Engineer Toolbox 是一款面向电子与硬件工程师的实用计算工具，提供常见电子电路参数计算、单位换算和目标反推功能，帮助用户更高效地完成设计、分析与验证工作。
应用内包含多种常用计算功能，包括：
LDO 分压电阻计算
PCB 参数计算
热阻计算
电阻 / 电容 / 电感换算
无源滤波器计算
欧姆定律计算
变压器计算
基本运放放大电路计算等
部分功能需通过自动续订订阅使用。应用提供包月订阅和包年订阅，具体价格以应用内展示为准。订阅将在每个订阅周期结束时自动续订，除非用户至少在当前周期结束前 24 小时取消订阅。用户可在购买后前往 Apple ID 账户设置中管理或取消订阅。
服务条款（EULA）:


## engineer toolbox Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/21/4c/b0/214cb056-82f0-8bff-5b15-0feef2a616c7/1.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/92/da/53/92da5353-9462-26b3-7e08-eee976422afd/4.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/03/a6/c4/03a6c474-0d6f-da7c-15e4-5285e7e62446/3.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/12/11/74/12117472-9bfb-bfeb-9304-5d91b24cdb6b/5.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/5e/96/a7/5e96a78e-63c4-9951-ae45-9412d119f30b/6.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d6/87/97/d6879703-bd26-537c-c511-c436bb498d3c/7.png/1284x2778.png)

## engineer toolbox Rating Breakdown in China
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)


## engineer toolbox In-App Purchases
| Item | Price |
|------|-------|
| 包月价格 | ¥8.00 |
| 包年价格 | ¥38.00 |



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---

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