# DingDong vs USmart Go

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.

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.

## The numbers

| Metric | DingDong | USmart Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/dingdong/id1225148018/reviews) | **[2.7 (59 ratings)](https://appshunter.io/ios/app/usmart-go/id1491140916/reviews)** |
| Number of ratings | 1 | **59** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | **Free** | Ad-supported |
| Size | 45 MB | 11 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GD Digital Limited](https://appshunter.io/developer/911685497) | [龙武 许](https://appshunter.io/developer/1103132264) |

## What reviewers say

### DingDong

[App page](https://appshunter.io/ios/app/dingdong/id1225148018)

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.

**Highlights:** Remote visitor monitoring, Real-time video and voice calls, Push notifications for visitors, Smart doorbell integration

**Features:** macOS Compatibility

**In-app purchases:** none


### USmart Go

[App page](https://appshunter.io/ios/app/usmart-go/id1491140916)

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.

**Highlights:** Control infrared appliances (TV, AC), Control Wi-Fi connected devices (lights, curtains), Remote appliance management, Door lock notifications, Remote door unlocking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DingDong free?

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

### Is USmart Go free?

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

### Which has better reviews, DingDong or USmart Go?

USmart Go is rated higher. DingDong averages 2.0 out of 5 from 1 ratings, while USmart Go averages 2.7 from 59 ratings.

### Do DingDong or USmart Go have ads?

USmart Go shows ads; DingDong does not.

### Which is updated more often, DingDong or USmart Go?

DingDong ships an update monthly, and USmart Go every 5 days. Most recently, DingDong was updated on October 6, 2026 and USmart Go on October 14, 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.*