# D vs SmartXY

The clearest difference is rating: SmartXY at 5.0 against D's 2.0. D's advantage is iOS requirement (8.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

SmartXY holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on July 4, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | D | SmartXY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/d-tracker/id1231414717/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartxy/id6755132016/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 55 MB | 175 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZKXT Information Technology Co., Ltd.](https://appshunter.io/developer/1101637079) | [勇 梁](https://appshunter.io/developer/1795815358) |

## 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


### SmartXY

[App page](https://appshunter.io/ios/app/smartxy/id6755132016)

This application connects to smart glasses to offer features like real-time translation, a teleprompter, AR navigation, and an AI assistant. It enhances the functionality of the smart glasses with various utility tools.

**Highlights:** Device connection, Simultaneous interpretation, Teleprompter functionality, AR navigation, Audio transcription, AI assistant

**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 SmartXY free?

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

### Which has better reviews, D or SmartXY?

SmartXY is rated higher. D averages 2.0 out of 5 from 1 ratings, while SmartXY averages 5.0 from 1 ratings.

### Do D or SmartXY have ads?

Neither D nor SmartXY shows ads.

### Which is updated more often, D or SmartXY?

D ships an update every 3 weeks, and SmartXY every 3 weeks. Most recently, D was updated on July 4, 2026 and SmartXY on September 13, 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.*