# 台灣坐標轉換 vs Engineering 單位流量換算

The clearest difference is price: Engineering 單位流量換算 at Free against 台灣坐標轉換's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Engineering 單位流量換算 is free to download; 台灣坐標轉換 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

台灣坐標轉換 ships an update every 6 weeks, Engineering 單位流量換算 every 2 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 台灣坐標轉換 | Engineering 單位流量換算 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 35 MB | 4 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lee Shi-Yeang](https://appshunter.io/developer/1110256487) | [CHUNG-HSIEN YU](https://appshunter.io/developer/1872617732) |

## What reviewers say

### 台灣坐標轉換

[App page](https://appshunter.io/ios/app/id1141262952)

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

**In-app purchases:** none


### Engineering 單位流量換算

[App page](https://appshunter.io/ios/app/engineering/id6758377219)

**In-app purchases:** none


## Frequently asked questions

### Is 台灣坐標轉換 free?

台灣坐標轉換 costs $1.99, with no in-app purchases.

### Is Engineering 單位流量換算 free?

Engineering 單位流量換算 is free to download, with no in-app purchases.

### Do 台灣坐標轉換 or Engineering 單位流量換算 have ads?

Neither 台灣坐標轉換 nor Engineering 單位流量換算 shows ads.

### Which is updated more often, 台灣坐標轉換 or Engineering 單位流量換算?

台灣坐標轉換 ships an update every 6 weeks, and Engineering 單位流量換算 every 2 months. Most recently, 台灣坐標轉換 was updated on October 24, 2026 and Engineering 單位流量換算 on October 31, 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.*