# SmartKey Box vs 零豆Watch

The clearest difference is update cadence: SmartKey Box at fortnightly against 零豆Watch's every 6 weeks. On price, ads, 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.

SmartKey Box ships an update fortnightly, 零豆Watch every 6 weeks. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SmartKey Box | 零豆Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartkey-box/id1544208283/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 181 MB | 34 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen XHorse Electronics Co., Ltd.](https://appshunter.io/developer/847134173) | [Shenzhen Lingdou Technology Co., Ltd.](https://appshunter.io/developer/1652621068) |

## What reviewers say

### SmartKey Box

[App page](https://appshunter.io/ios/app/smartkey-box/id1544208283)

Control your car's locks, trunk, and panic functions directly from your smartphone. This app connects via Bluetooth to a smart key box, offering a convenient and customizable way to manage vehicle access with various gesture controls.

**Highlights:** Bluetooth connectivity to smart key box, Remote lock/unlock vehicle, Trunk open function, Panic alarm activation, Customizable gesture controls (single-click, double-click, press-and-hold), Multiple style options

**Features:** macOS Compatibility

**In-app purchases:** none


### 零豆Watch

[App page](https://appshunter.io/ios/app/watch/id6444144534)

**In-app purchases:** none


## Frequently asked questions

### Is SmartKey Box free?

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

### Is 零豆Watch free?

零豆Watch is free to download, with no in-app purchases.

### Do SmartKey Box or 零豆Watch have ads?

Neither SmartKey Box nor 零豆Watch shows ads.

### Which is updated more often, SmartKey Box or 零豆Watch?

SmartKey Box ships an update fortnightly, and 零豆Watch every 6 weeks. Most recently, SmartKey Box was updated on September 16, 2026 and 零豆Watch on September 10, 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.*