# D vs AR Smart

The clearest difference is rating: AR Smart at 5.0 against D's 2.0. D's advantage is iOS requirement (8.0 vs 14.3). 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.

AR Smart holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

D ships an update every 3 weeks, AR Smart fortnightly. The most recent releases landed on July 4, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | D | AR Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/d-tracker/id1231414717/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ar-smart/id1598694952/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 55 MB | 3 MB |
| Requires iOS | **8.0** | 14.3 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZKXT Information Technology Co., Ltd.](https://appshunter.io/developer/1101637079) | [跃平 高](https://appshunter.io/developer/1051575770) |

## 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


### AR Smart

[App page](https://appshunter.io/ios/app/ar-smart/id1598694952)

Enhance your audio experience with smart sound adjustments. This application aims to improve daily life through intelligent audio features. It offers a streamlined way to manage and optimize your sound settings.

**Highlights:** Smart audio adjustments, Life enhancement features, Optimized sound settings, Streamlined audio management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is AR Smart free?

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

### Which has better reviews, D or AR Smart?

AR Smart is rated higher. D averages 2.0 out of 5 from 1 ratings, while AR Smart averages 5.0 from 2 ratings.

### Do D or AR Smart have ads?

Neither D nor AR Smart shows ads.

### Which is updated more often, D or AR Smart?

D ships an update every 3 weeks, and AR Smart fortnightly. Most recently, D was updated on July 4, 2026 and AR Smart on August 25, 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.*