# E车都尉 vs 百灵钥匙

E车都尉 and 百灵钥匙 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.

E车都尉 ships an update monthly, 百灵钥匙 every 2 months. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | E车都尉 | 百灵钥匙 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 78 MB | 43 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Maihong Car Networking Co., Ltd.](https://appshunter.io/developer/1467161717) | [杭州物研信息科技有限公司](https://appshunter.io/developer/1486333340) |

## What reviewers say

### E车都尉

[App page](https://appshunter.io/ios/app/e/id1467161718)

**Features:** macOS Compatibility

**In-app purchases:** none


### 百灵钥匙

[App page](https://appshunter.io/ios/app/id6746241029)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is E车都尉 free?

E车都尉 is free to download, with no in-app purchases.

### Is 百灵钥匙 free?

百灵钥匙 is free to download, with no in-app purchases.

### Do E车都尉 or 百灵钥匙 have ads?

Neither E车都尉 nor 百灵钥匙 shows ads.

### Which is updated more often, E车都尉 or 百灵钥匙?

E车都尉 ships an update monthly, and 百灵钥匙 every 2 months. Most recently, E车都尉 was updated on September 15, 2026 and 百灵钥匙 on September 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.*