# 北極冰 雙控溫 vs eMessage

The clearest difference is iOS requirement: 北極冰 雙控溫 at 9.0 against eMessage's 15.6. 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 | 北極冰 雙控溫 | eMessage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 61 MB | 8 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [WENCHUN WANG](https://appshunter.io/developer/1478718242) | [Jiann Rong Lin](https://appshunter.io/developer/1247802367) |

## What reviewers say

### 北極冰 雙控溫

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

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

**In-app purchases:** none


### eMessage

[App page](https://appshunter.io/ios/app/emessage/id6740221417)

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

**In-app purchases:** none


## Frequently asked questions

### Is 北極冰 雙控溫 free?

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

### Is eMessage free?

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

### Do 北極冰 雙控溫 or eMessage have ads?

Neither 北極冰 雙控溫 nor eMessage 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.*