# 电梯维保助手 vs E

The clearest difference is update cadence: 电梯维保助手 at every 2 weeks against E's monthly. 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.

电梯维保助手 ships an update every 2 weeks, E monthly. The most recent releases landed on July 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 电梯维保助手 | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 93 MB | 83 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Nanjing Huijun Yunhe Technology Co., Ltd](https://appshunter.io/developer/1896552058) | [深圳市英威腾电气股份有限公司](https://appshunter.io/developer/1012943436) |

## What reviewers say

### 电梯维保助手

[App page](https://appshunter.io/ios/app/id1638887381)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-debugpro/id6474985537)

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

**In-app purchases:** none


## Frequently asked questions

### Is 电梯维保助手 free?

电梯维保助手 is free to download, with no in-app purchases.

### Is E free?

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

### Do 电梯维保助手 or E have ads?

Neither 电梯维保助手 nor E shows ads.

### Which is updated more often, 电梯维保助手 or E?

电梯维保助手 ships an update every 2 weeks, and E monthly. Most recently, 电梯维保助手 was updated on July 9, 2026 and E on September 8, 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.*