# 勤杰DHR vs IATS EMS

The clearest difference is update cadence: 勤杰DHR at weekly against IATS EMS's every 2 months. 勤杰DHR also leads on iOS requirement (12.0 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.

勤杰DHR ships an update weekly, IATS EMS every 2 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 勤杰DHR | IATS EMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 52 MB | 27 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [仁宁 党](https://appshunter.io/developer/1250796909) | [深圳易票科技有限公司](https://appshunter.io/developer/1676202439) |

## What reviewers say

### 勤杰DHR

[App page](https://appshunter.io/ios/app/dhr/id6469114919)

**In-app purchases:** none


### IATS EMS

[App page](https://appshunter.io/ios/app/iats-ems/id6754830076)

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

**In-app purchases:** none


## Frequently asked questions

### Is 勤杰DHR free?

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

### Is IATS EMS free?

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

### Do 勤杰DHR or IATS EMS have ads?

Neither 勤杰DHR nor IATS EMS shows ads.

### Which is updated more often, 勤杰DHR or IATS EMS?

勤杰DHR ships an update weekly, and IATS EMS every 2 months. Most recently, 勤杰DHR was updated on October 24, 2026 and IATS EMS on October 16, 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.*