# Check ETC 高速公路通行費試算 vs 北極冰 雙控溫

The clearest difference is in-app purchases: 北極冰 雙控溫 at none against Check ETC 高速公路通行費試算's 1. 北極冰 雙控溫 also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. Check ETC 高速公路通行費試算 sells 1 one-off in-app purchase. 北極冰 雙控溫 asks for nothing beyond the download.

## The numbers

| Metric | Check ETC 高速公路通行費試算 | 北極冰 雙控溫 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | — |
| Size | 6 MB | 61 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jing Shin Chen](https://appshunter.io/developer/1092940039) | [WENCHUN WANG](https://appshunter.io/developer/1478718242) |

## What reviewers say

### Check ETC 高速公路通行費試算

[App page](https://appshunter.io/ios/app/check-etc/id1102857755)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Check ETC 專業版 | $0.99 | one-time |


### 北極冰 雙控溫

[App page](https://appshunter.io/ios/app/id6451113865)

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

**In-app purchases:** none


## Frequently asked questions

### Is Check ETC 高速公路通行費試算 free?

Check ETC 高速公路通行費試算 is free to download, with in-app purchases available.

### Is 北極冰 雙控溫 free?

北極冰 雙控溫 is free to download, with no in-app purchases.

### Do Check ETC 高速公路通行費試算 or 北極冰 雙控溫 have ads?

Check ETC 高速公路通行費試算 shows ads; 北極冰 雙控溫 does not.

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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.*