# 优瓦时uWatts vs 零洞

优瓦时uWatts and 零洞 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

优瓦时uWatts ships an update monthly, 零洞 every 3 weeks. The most recent releases landed on September 24, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 优瓦时uWatts | 零洞 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai/id1623316687/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 47 MB | 145 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广州航宇时空科技有限公司](https://appshunter.io/developer/1567712703) | [Nanjing Lingdong Shuzhi Technology Co., Ltd.](https://appshunter.io/developer/1742133287) |

## What reviewers say

### 优瓦时uWatts

[App page](https://appshunter.io/ios/app/uwatts/id1567841229)

**Features:** Vision Pro support

**In-app purchases:** none


### 零洞

[App page](https://appshunter.io/ios/app/ai/id1623316687)

This app connects and manages your smart home devices, allowing real-time status checks, remote control, and inter-device automation. It extends smart capabilities to your community for seamless access. Designed for ease of use, it offers a personalized smart living experience focused on comfort and convenience.

**Highlights:** Connect and manage smart home devices, Real-time device status monitoring, Remote device control, Inter-device automation, Community access control (gates, parking), Personalized smart space planning, 24/7 home environment monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 优瓦时uWatts free?

优瓦时uWatts is free to download, with no in-app purchases.

### Is 零洞 free?

零洞 is free to download, with no in-app purchases.

### Do 优瓦时uWatts or 零洞 have ads?

Neither 优瓦时uWatts nor 零洞 shows ads.

### Which is updated more often, 优瓦时uWatts or 零洞?

优瓦时uWatts ships an update monthly, and 零洞 every 3 weeks. Most recently, 优瓦时uWatts was updated on September 24, 2026 and 零洞 on June 1, 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.*