# 鱼跃智氧 vs ctrl4U

The clearest difference is iOS requirement: 鱼跃智氧 at 9.0 against ctrl4U's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

鱼跃智氧 ships an update every 2 months, ctrl4U every 4 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 鱼跃智氧 | ctrl4U |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 9 MB | 2 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Yuyue Software Tech](https://appshunter.io/developer/957266502) | [Eagle Kingdom Technologies(shenzhen) Co., Ltd.](https://appshunter.io/developer/1741128165) |

## What reviewers say

### 鱼跃智氧

[App page](https://appshunter.io/ios/app/id1437500334)

**Features:** Vision Pro support

**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 鱼跃智氧 free?

鱼跃智氧 is free to download, with no in-app purchases.

### Is ctrl4U free?

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

### Do 鱼跃智氧 or ctrl4U have ads?

Neither 鱼跃智氧 nor ctrl4U shows ads.

### Which is updated more often, 鱼跃智氧 or ctrl4U?

鱼跃智氧 ships an update every 2 months, and ctrl4U every 4 months. Most recently, 鱼跃智氧 was updated on October 7, 2026 and ctrl4U on October 2, 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.*