# 牯牛云工单 vs 设备E维保

The clearest difference is in-app purchases: 牯牛云工单 at none against 设备E维保's 3. 设备E维保's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 设备E维保 sells 3 in-app purchases, starting at $154.99 per year. 牯牛云工单 asks for nothing beyond the download.

牯牛云工单 ships an update every 2 months, 设备E维保 fortnightly. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 牯牛云工单 | 设备E维保 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 89 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [牯牛工业互联网(杭州)有限公司](https://appshunter.io/developer/1487633549) | [Suzhou Dingle Information Technology Co., Ltd.](https://appshunter.io/developer/1575840247) |

## What reviewers say

### 牯牛云工单

[App page](https://appshunter.io/ios/app/id1603419877)

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

**In-app purchases:** none


### 设备E维保

[App page](https://appshunter.io/ios/app/e/id1616118081)

This app digitizes equipment management for various industries, streamlining daily checks, inspections, maintenance, and repairs. It offers features for spare parts management and multi-user collaboration across different devices.

**Highlights:** Paperless equipment management, Daily checks and inspections, Repair and maintenance tracking, Spare parts inventory management, Multi-user and multi-device support, Customizable templates, QR code scanning for operations

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5个账号 | $154.99 | per year |
| 20个账号 | $299.99 | per year |
| 50个账号 | $599.99 | per year |


## Frequently asked questions

### Is 牯牛云工单 free?

牯牛云工单 is free to download, with no in-app purchases.

### Is 设备E维保 free?

设备E维保 is free to download, with in-app purchases available.

### Do 牯牛云工单 or 设备E维保 have ads?

Neither 牯牛云工单 nor 设备E维保 shows ads.

### Which is updated more often, 牯牛云工单 or 设备E维保?

牯牛云工单 ships an update every 2 months, and 设备E维保 fortnightly. Most recently, 牯牛云工单 was updated on October 5, 2026 and 设备E维保 on October 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.*