# 南極蝦鍵盤 | nothingIME vs 4 Quadrant Rule

The clearest difference is in-app purchases: 4 Quadrant Rule at none against 南極蝦鍵盤 | nothingIME's 5. 4 Quadrant Rule also leads on price ($1.99 vs $4.99) and iOS requirement (13.0 vs 15.6). On ads and device support there is nothing between them.

南極蝦鍵盤 | nothingIME costs $4.99 and 4 Quadrant Rule $1.99 up front. 南極蝦鍵盤 | nothingIME sells 5 one-off in-app purchases. 4 Quadrant Rule asks for nothing beyond the download.

## The numbers

| Metric | 南極蝦鍵盤 | nothingIME | 4 Quadrant Rule |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 20 MB | 24 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YU HSIN CHENG](https://appshunter.io/developer/1826530165) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### 南極蝦鍵盤 | nothingIME

[App page](https://appshunter.io/ios/app/nothingime/id6748654605)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 鍵盤主題-白抹茶 | $0.99 | one-time |
| 鍵盤主題-湛藍極海 | $0.99 | one-time |
| 注音查碼 | $1.99 | one-time |
| 同音字查詢 | $1.99 | one-time |
| 九宮格數字鍵盤 | $1.99 | one-time |


### 4 Quadrant Rule

[App page](https://appshunter.io/ios/app/4-quadrant-rule-task-planner/id6786556931)

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

**In-app purchases:** none


## Frequently asked questions

### Is 南極蝦鍵盤 | nothingIME free?

南極蝦鍵盤 | nothingIME costs $4.99, and also offers in-app purchases.

### Is 4 Quadrant Rule free?

4 Quadrant Rule costs $1.99, with no in-app purchases.

### Do 南極蝦鍵盤 | nothingIME or 4 Quadrant Rule have ads?

Neither 南極蝦鍵盤 | nothingIME nor 4 Quadrant Rule 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.*