D vs AR Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
D
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.
- Location-based security
- Cloud platform integration
- Intelligent device support
- Child safety monitoring
- Parental controls
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"D-Tracker" is a highly interactive mobile application based on location-based security services. It combines powerful D-Cloud platform with highly intelligent devices to help children caring parents to better guard their baby's safety.
AR Smart
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.
- Smart audio adjustments
- Life enhancement features
- Optimized sound settings
- Streamlined audio management
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Smart audio, make life better！
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | D | AR Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 5.0 (2 ratings) — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 14.3 |
| Further details — not scored | ||
| Size | 55 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | ZKXT Information Technology Co., Ltd. | 跃平 高 |
Customer experience
D
AR Smart
In-app purchases
D
No in-app purchases
AR Smart
No in-app purchases
