# 冰山物联 vs Key

The clearest difference is update cadence: 冰山物联 at every 2 months against Key's every 6 months. 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.

冰山物联 ships an update every 2 months, Key every 6 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 冰山物联 | Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (5 ratings)](https://appshunter.io/ios/app/key-disp/id1612823021/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | — | Free |
| Size | 38 MB | 266 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BINGSHAN TECHNOLOGY SERVICE CO., LTD](https://appshunter.io/developer/1231725336) | [Tianjin Key-Disp Technology Co.,Ltd](https://appshunter.io/developer/1612823023) |

## What reviewers say

### 冰山物联

[App page](https://appshunter.io/ios/app/id1572827400)

**In-app purchases:** none


### Key

[App page](https://appshunter.io/ios/app/key-disp/id1612823021)

This utility app allows users to remotely control and connect to devices, facilitating data transmission and collection. It enables over-the-air upgrades and social sharing, while also displaying meter speeds and reading device information directly from a mobile phone.

**Highlights:** Remote control and connection, Data transmission and collection, Over-the-air (OTA) upgrades, Social sharing capabilities, Meter speed display, Device information reading

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 冰山物联 free?

冰山物联 is free to download, with no in-app purchases.

### Is Key free?

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

### Do 冰山物联 or Key have ads?

Neither 冰山物联 nor Key shows ads.

### Which is updated more often, 冰山物联 or Key?

冰山物联 ships an update every 2 months, and Key every 6 months. Most recently, 冰山物联 was updated on October 7, 2026 and Key on October 24, 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.*