# UCAR定位 vs 梯形轉正方

The clearest difference is iOS requirement: 梯形轉正方 at 9.0 against UCAR定位's 12.0. 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.

## The numbers

| Metric | UCAR定位 | 梯形轉正方 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 23 MB | 4 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHIA LUNG LIN](https://appshunter.io/developer/1275889247) | [YITA HSIEH](https://appshunter.io/developer/387336625) |

## What reviewers say

### UCAR定位

[App page](https://appshunter.io/ios/app/ucar/id1275889248)

**Features:** macOS Compatibility

**In-app purchases:** none


### 梯形轉正方

[App page](https://appshunter.io/ios/app/id1574219753)

**In-app purchases:** none


## Frequently asked questions

### Is UCAR定位 free?

UCAR定位 is free to download, with no in-app purchases.

### Is 梯形轉正方 free?

梯形轉正方 is free to download, with no in-app purchases.

### Do UCAR定位 or 梯形轉正方 have ads?

Neither UCAR定位 nor 梯形轉正方 shows ads.

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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.*