# Bosswell博士韋爾 vs E

Bosswell博士韋爾 and E 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.

Bosswell博士韋爾 ships an update monthly, E every 3 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Bosswell博士韋爾 | E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 17 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WISDOM CITY TECHNOLOGY LTD.](https://appshunter.io/developer/1118243095) | [SMARTCHIP MICROELECTRONICS CORP.](https://appshunter.io/developer/872823142) |

## What reviewers say

### Bosswell博士韋爾

[App page](https://appshunter.io/ios/app/bosswell/id1118243096)

Monitor and control your air purifier remotely. View real-time air quality data, adjust settings, and manage your devices. Includes features for reporting issues and initial setup.

**Highlights:** Real-time air quality monitoring, Remote device control, Device information management, Password management, Online repair reporting, Device initialization and Wi-Fi setup

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-key/id6502164829)

**In-app purchases:** none


## Frequently asked questions

### Is Bosswell博士韋爾 free?

Bosswell博士韋爾 is free to download, with no in-app purchases.

### Is E free?

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

### Do Bosswell博士韋爾 or E have ads?

Neither Bosswell博士韋爾 nor E shows ads.

### Which is updated more often, Bosswell博士韋爾 or E?

Bosswell博士韋爾 ships an update monthly, and E every 3 weeks. Most recently, Bosswell博士韋爾 was updated on September 30, 2026 and E on October 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.*