# 智慧绩效 vs UDAN EMS

The clearest difference is iOS requirement: 智慧绩效 at 12.0 against UDAN EMS's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

智慧绩效 ships an update every 2 months, UDAN EMS every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 智慧绩效 | UDAN EMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 42 MB | 34 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伦辉 王](https://appshunter.io/developer/1543145171) | [Anhui Udan Technology Co., Ltd.](https://appshunter.io/developer/1593792520) |

## What reviewers say

### 智慧绩效

[App page](https://appshunter.io/ios/app/id1546572925)

**Features:** macOS Compatibility

**In-app purchases:** none


### UDAN EMS

[App page](https://appshunter.io/ios/app/udan-ems/id6467070220)

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

**In-app purchases:** none


## Frequently asked questions

### Is 智慧绩效 free?

智慧绩效 is free to download, with no in-app purchases.

### Is UDAN EMS free?

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

### Do 智慧绩效 or UDAN EMS have ads?

Neither 智慧绩效 nor UDAN EMS shows ads.

### Which is updated more often, 智慧绩效 or UDAN EMS?

智慧绩效 ships an update every 2 months, and UDAN EMS every 5 weeks. Most recently, 智慧绩效 was updated on October 27, 2026 and UDAN EMS 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.*