# 煤科移动HR vs 工程岩体分级

The clearest difference is update cadence: 工程岩体分级 at every 15 months against 煤科移动HR's every 30 months. 煤科移动HR's advantage is iOS requirement (9.0 vs 15.0). 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.

煤科移动HR ships an update every 30 months, 工程岩体分级 every 15 months. The most recent releases landed on September 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 煤科移动HR | 工程岩体分级 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 15 months** |
| Size | 39 MB | 36 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞禄 张](https://appshunter.io/developer/1070837480) | [靖奇 崔](https://appshunter.io/developer/1745990262) |

## What reviewers say

### 煤科移动HR

[App page](https://appshunter.io/ios/app/hr/id1441086807)

**Features:** macOS Compatibility

**In-app purchases:** none


### 工程岩体分级

[App page](https://appshunter.io/ios/app/id6502583362)

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

**In-app purchases:** none


## Frequently asked questions

### Is 煤科移动HR free?

煤科移动HR is free to download, with no in-app purchases.

### Is 工程岩体分级 free?

工程岩体分级 is free to download, with no in-app purchases.

### Do 煤科移动HR or 工程岩体分级 have ads?

Neither 煤科移动HR nor 工程岩体分级 shows ads.

### Which is updated more often, 煤科移动HR or 工程岩体分级?

煤科移动HR ships an update every 30 months, and 工程岩体分级 every 15 months. Most recently, 煤科移动HR was updated on September 29, 2026 and 工程岩体分级 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.*