# USmart Go vs Viomi

The clearest difference is ads: Viomi at none against USmart Go's shown. USmart Go's advantage is update cadence (every 5 days vs every 2 months). On price, in-app purchases, device support and iOS requirement 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 ships an update every 5 days, Viomi every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | USmart Go | Viomi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (59 ratings)](https://appshunter.io/ios/app/usmart-go/id1491140916/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 11 MB | 293 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [龙武 许](https://appshunter.io/developer/1103132264) | [MERVIO PTE. LTD.](https://appshunter.io/developer/1805777928) |

## What reviewers say

### 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


### Viomi

[App page](https://appshunter.io/ios/app/viomi/id6478471675)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USmart Go free?

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

### Is Viomi free?

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

### Do USmart Go or Viomi have ads?

USmart Go shows ads; Viomi does not.

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

USmart Go ships an update every 5 days, and Viomi every 2 months. Most recently, USmart Go was updated on October 24, 2026 and Viomi 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.*