# 绿晶服务 vs iDOCK

The clearest difference is update cadence: 绿晶服务 at every 10 days against iDOCK's every 4 weeks. 绿晶服务 also leads on iOS requirement (9.0 vs 13.0). 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.

绿晶服务 ships an update every 10 days, iDOCK every 4 weeks. The most recent releases landed on September 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 绿晶服务 | iDOCK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idock/id1584921111/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 4 weeks |
| Monetization | — | Free |
| Size | 41 MB | 115 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Green Crystal Environmental Service Group Co., Ltd.](https://appshunter.io/developer/1474926448) | [BITSTAR DIGITAL TECHNOLOGY (DALIAN) CO., LTD.](https://appshunter.io/developer/1584921113) |

## What reviewers say

### 绿晶服务

[App page](https://appshunter.io/ios/app/id1474938537)

**Features:** macOS Compatibility

**In-app purchases:** none


### iDOCK

[App page](https://appshunter.io/ios/app/idock/id1584921111)

This app provides a digital kit for ship owners and managers to streamline drydocking repairs. It offers an intelligent platform designed to simplify and organize the repair process for maritime vessels.

**Highlights:** Digital Online Convenient Kit, Ship drydocking repair management, Platform for ship owners/managers, Streamlines repair processes

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

**In-app purchases:** none


## Frequently asked questions

### Is 绿晶服务 free?

绿晶服务 is free to download, with no in-app purchases.

### Is iDOCK free?

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

### Do 绿晶服务 or iDOCK have ads?

Neither 绿晶服务 nor iDOCK shows ads.

### Which is updated more often, 绿晶服务 or iDOCK?

绿晶服务 ships an update every 10 days, and iDOCK every 4 weeks. Most recently, 绿晶服务 was updated on September 15, 2026 and iDOCK on October 9, 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.*