# D vs 抄表猫Ro

The clearest difference is ads: D at none against 抄表猫Ro's shown. D also leads on iOS requirement (8.0 vs 11.0). On price, update cadence, 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.

D ships an update every 3 weeks, 抄表猫Ro monthly. The most recent releases landed on July 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | D | 抄表猫Ro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/d-tracker/id1231414717/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 55 MB | 153 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZKXT Information Technology Co., Ltd.](https://appshunter.io/developer/1101637079) | [深圳鼎智达表计信息科技有限公司](https://appshunter.io/developer/1524629350) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-tracker/id1231414717)

This app uses location-based services and intelligent devices to enhance child safety. It connects parents to a cloud platform for real-time monitoring and security.

**Highlights:** Location-based security, Cloud platform integration, Intelligent device support, Child safety monitoring, Parental controls

**Features:** macOS Compatibility

**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 D free?

D 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 D or 抄表猫Ro have ads?

抄表猫Ro shows ads; D does not.

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

D ships an update every 3 weeks, and 抄表猫Ro monthly. Most recently, D was updated on July 4, 2026 and 抄表猫Ro on September 18, 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.*