# 泵管家(义维) vs E

The clearest difference is update cadence: 泵管家(义维) at every 2 weeks against E's every 4 months. 泵管家(义维) also leads on device support and iOS requirement (9.0 vs 13). On price and in-app purchases there is nothing between them.

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

泵管家(义维) ships an update every 2 weeks, E every 4 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 泵管家(义维) | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 28 MB | 20 MB |
| Requires iOS | **9.0** | 13 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 9+ |
| Developer | [旭 汤](https://appshunter.io/developer/1034622624) | [EBM-PAPST Ventilator(Shanghai)Co.,Ltd.](https://appshunter.io/developer/1587559121) |

## What reviewers say

### 泵管家(义维)

[App page](https://appshunter.io/ios/app/id1353248698)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-platform/id1587559119)

**In-app purchases:** none


## Frequently asked questions

### Is 泵管家(义维) free?

泵管家(义维) is free to download, with no in-app purchases.

### Is E free?

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

### Which is updated more often, 泵管家(义维) or E?

泵管家(义维) ships an update every 2 weeks, and E every 4 months. Most recently, 泵管家(义维) was updated on September 10, 2026 and E on September 18, 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.*