# ctrl4U vs 抄表猫Ro

The clearest difference is ads: ctrl4U at none against 抄表猫Ro's shown. 抄表猫Ro's advantage is update cadence (monthly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

ctrl4U ships an update every 4 months, 抄表猫Ro monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ctrl4U | 抄表猫Ro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Size | 2 MB | 67 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eagle Kingdom Technologies(shenzhen) Co., Ltd.](https://appshunter.io/developer/1741128165) | [深圳鼎智达表计信息科技有限公司](https://appshunter.io/developer/1524629350) |

## What reviewers say

### ctrl4U

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

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

**In-app purchases:** none


### 抄表猫Ro

[App page](https://appshunter.io/ios/app/ro/id6504333198)

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

**In-app purchases:** none


## Frequently asked questions

### Is ctrl4U free?

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

### Is 抄表猫Ro free?

抄表猫Ro is free to download, with no in-app purchases.

### Do ctrl4U or 抄表猫Ro have ads?

抄表猫Ro shows ads; ctrl4U does not.

### Which is updated more often, ctrl4U or 抄表猫Ro?

ctrl4U ships an update every 4 months, and 抄表猫Ro monthly. Most recently, ctrl4U was updated on October 27, 2026 and 抄表猫Ro on October 30, 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.*