# ePM GO 專案特助 vs 水電機電工具箱 100

The clearest difference is in-app purchases: ePM GO 專案特助 at none against 水電機電工具箱 100's 1. ePM GO 專案特助 also leads on iOS requirement (12.0 vs 17.0). 水電機電工具箱 100's advantage is update cadence (every 4 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 水電機電工具箱 100 sells 1 one-off in-app purchase. ePM GO 專案特助 asks for nothing beyond the download.

ePM GO 專案特助 ships an update every 2 months, 水電機電工具箱 100 every 4 weeks. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ePM GO 專案特助 | 水電機電工具箱 100 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 47 MB | 120 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Monmouth Technologies, Inc.](https://appshunter.io/developer/993580924) | [Yu Shiung Jiang](https://appshunter.io/developer/612234939) |

## What reviewers say

### ePM GO 專案特助

[App page](https://appshunter.io/ios/app/epm-go/id1525352447)

**Features:** macOS Compatibility

**In-app purchases:** none


### 水電機電工具箱 100

[App page](https://appshunter.io/ios/app/100/id6776848563)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


## Frequently asked questions

### Is ePM GO 專案特助 free?

ePM GO 專案特助 is free to download, with no in-app purchases.

### Is 水電機電工具箱 100 free?

水電機電工具箱 100 is free to download, with in-app purchases available.

### Do ePM GO 專案特助 or 水電機電工具箱 100 have ads?

Neither ePM GO 專案特助 nor 水電機電工具箱 100 shows ads.

### Which is updated more often, ePM GO 專案特助 or 水電機電工具箱 100?

ePM GO 專案特助 ships an update every 2 months, and 水電機電工具箱 100 every 4 weeks. Most recently, ePM GO 專案特助 was updated on September 19, 2026 and 水電機電工具箱 100 on September 8, 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.*