# 夜雨时 vs ctrl4U

The clearest difference is price: ctrl4U at Free against 夜雨时's $0.99. 夜雨时's advantage is update cadence (every 4 weeks vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ctrl4U is free to download; 夜雨时 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

夜雨时 ships an update every 4 weeks, ctrl4U every 4 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 夜雨时 | ctrl4U |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 73.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Size | 17 MB | 2 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文华 肖](https://appshunter.io/developer/1444436175) | [Eagle Kingdom Technologies(shenzhen) Co., Ltd.](https://appshunter.io/developer/1741128165) |

## What reviewers say

### 夜雨时

[App page](https://appshunter.io/ios/app/id1519735052)

**In-app purchases:** none


### ctrl4U

[App page](https://appshunter.io/ios/app/ctrl4u/id6496848796)

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

**In-app purchases:** none


## Frequently asked questions

### Is 夜雨时 free?

夜雨时 costs $0.99, with no in-app purchases.

### Is ctrl4U free?

ctrl4U is free to download, with no in-app purchases.

### Do 夜雨时 or ctrl4U have ads?

Neither 夜雨时 nor ctrl4U shows ads.

### Which is updated more often, 夜雨时 or ctrl4U?

夜雨时 ships an update every 4 weeks, and ctrl4U every 4 months. Most recently, 夜雨时 was updated on October 29, 2026 and ctrl4U on October 27, 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.*