# 旺來瓦斯 vs 台中喆圓

The clearest difference is iOS requirement: 旺來瓦斯 at 13.0 against 台中喆圓's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

旺來瓦斯 ships an update every 6 weeks, 台中喆圓 every 5 weeks. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 旺來瓦斯 | 台中喆圓 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 42 MB | 58 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MORGLORY INTERNATIONAL CO., LTD.](https://appshunter.io/developer/1453786810) | [凌聚農業](https://appshunter.io/developer/1774439943) |

## What reviewers say

### 旺來瓦斯

[App page](https://appshunter.io/ios/app/id1453786811)

**In-app purchases:** none


### 台中喆圓

[App page](https://appshunter.io/ios/app/id6449411607)

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

**In-app purchases:** none


## Frequently asked questions

### Is 旺來瓦斯 free?

旺來瓦斯 is free to download, with no in-app purchases.

### Is 台中喆圓 free?

台中喆圓 is free to download, with no in-app purchases.

### Do 旺來瓦斯 or 台中喆圓 have ads?

Neither 旺來瓦斯 nor 台中喆圓 shows ads.

### Which is updated more often, 旺來瓦斯 or 台中喆圓?

旺來瓦斯 ships an update every 6 weeks, and 台中喆圓 every 5 weeks. Most recently, 旺來瓦斯 was updated on September 17, 2026 and 台中喆圓 on September 25, 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.*