# eButton 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 9 days against eButton's monthly. eButton's advantage is iOS requirement (13.0 vs 16). 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.

eButton ships an update monthly, 校園節能＋｜STEMS Campus 儲值節能管理 every 9 days. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | eButton | 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 | Monthly | **Every 9 days** |
| Size | 26 MB | 9 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jiann Rong Lin](https://appshunter.io/developer/1247802367) | [台科電科技股份有限公司](https://appshunter.io/developer/1826972531) |

## What reviewers say

### eButton

[App page](https://appshunter.io/ios/app/ebutton/id1493161479)

**Features:** macOS Compatibility

**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 eButton free?

eButton 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 eButton or 校園節能＋｜STEMS Campus 儲值節能管理 have ads?

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

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

eButton ships an update monthly, and 校園節能＋｜STEMS Campus 儲值節能管理 every 9 days. Most recently, eButton was updated on October 10, 2026 and 校園節能＋｜STEMS Campus 儲值節能管理 on October 4, 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.*