# ShareTech Mail vs 校園節能＋｜STEMS Campus 儲值節能管理

The clearest difference is update cadence: 校園節能＋｜STEMS Campus 儲值節能管理 at every 8 days against ShareTech Mail's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ShareTech Mail ships an update every 2 months, 校園節能＋｜STEMS Campus 儲值節能管理 every 8 days. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ShareTech Mail | 校園節能＋｜STEMS Campus 儲值節能管理 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 29 MB | 9 MB |
| Requires iOS | **15.6** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ShareTech](https://appshunter.io/developer/903323857) | [台科電科技股份有限公司](https://appshunter.io/developer/1826972531) |

## What reviewers say

### ShareTech Mail

[App page](https://appshunter.io/ios/app/sharetech-mail/id6504213230)

**In-app purchases:** none


### 校園節能＋｜STEMS Campus 儲值節能管理

[App page](https://appshunter.io/ios/app/stems-campus/id6761321263)

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

**In-app purchases:** none


## Frequently asked questions

### Is ShareTech Mail free?

ShareTech Mail is free to download, with no in-app purchases.

### Is 校園節能＋｜STEMS Campus 儲值節能管理 free?

校園節能＋｜STEMS Campus 儲值節能管理 is free to download, with no in-app purchases.

### Do ShareTech Mail or 校園節能＋｜STEMS Campus 儲值節能管理 have ads?

Neither ShareTech Mail nor 校園節能＋｜STEMS Campus 儲值節能管理 shows ads.

### Which is updated more often, ShareTech Mail or 校園節能＋｜STEMS Campus 儲值節能管理?

ShareTech Mail ships an update every 2 months, and 校園節能＋｜STEMS Campus 儲值節能管理 every 8 days. Most recently, ShareTech Mail was updated on September 28, 2026 and 校園節能＋｜STEMS Campus 儲值節能管理 on September 17, 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.*