DingDong vs USmart Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DingDong
This smart doorbell app allows you to see and speak with visitors remotely. Receive instant notifications when someone rings the bell, enabling real-time video and voice communication from anywhere.
- Remote visitor monitoring
- Real-time video and voice calls
- Push notifications for visitors
- Smart doorbell integration
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DingDong是一款智能门铃，，语音对讲。无论在家还是出差可以随时知道来访者。当有人按下门铃时，APP会接收到消息推送，提示用户有人来访，实时视频语音对讲。
USmart Go
Control all your home appliances, both infrared and Wi-Fi connected, from a single app. Remotely manage devices like TVs, air conditioners, lights, and cameras, and receive important notifications like door lock alerts.
- Control infrared appliances (TV, AC)
- Control Wi-Fi connected devices (lights, curtains)
- Remote appliance management
- Door lock notifications
- Remote door unlocking
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Coordinated with the hardware we developed, this APP can control all our home appliances. Not only infrared controlled electric machine such as TV, Air conditioner are under control. Internet device connected by Wi-Fi such as Lights, Curtain, Air Purifier, Camera can all be controlled remotely. -- Push notification service is used for receive the messages of the door locks; And it plays an important role on remote unlocking the door.
Screenshots
Verdict
The clearest difference is rating: USmart Go at 2.7 against DingDong's 2.0. USmart Go also leads on update cadence (every 5 days vs monthly) and ratings volume (59 vs 1). DingDong's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support 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.
USmart Go holds the better App Store score, 2.7 against 2.0. That said, the two scores are not equally well evidenced: USmart Go has 59 ratings behind it against 1, so its average is the more settled of the two.
DingDong ships an update monthly, USmart Go every 5 days. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.
| Parameter | DingDong | USmart Go |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 2.7 (59 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 59 — better |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 45 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | GD Digital Limited | 龙武 许 |
Customer experience
DingDong
USmart Go
In-app purchases
DingDong
No in-app purchases
USmart Go
No in-app purchases
