# UDAN EMS vs Lume Agent

The clearest difference is update cadence: UDAN EMS at every 5 weeks against Lume Agent's every 3 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.

UDAN EMS ships an update every 5 weeks, Lume Agent every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | UDAN EMS | Lume Agent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 34 MB | 64 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Anhui Udan Technology Co., Ltd.](https://appshunter.io/developer/1593792520) | [SHENZHEN MEGAREVO TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1768211995) |

## What reviewers say

### UDAN EMS

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

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

**In-app purchases:** none


### Lume Agent

[App page](https://appshunter.io/ios/app/lume-agent/id6738761213)

**In-app purchases:** none


## Frequently asked questions

### Is UDAN EMS free?

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

### Is Lume Agent free?

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

### Do UDAN EMS or Lume Agent have ads?

Neither UDAN EMS nor Lume Agent shows ads.

### Which is updated more often, UDAN EMS or Lume Agent?

UDAN EMS ships an update every 5 weeks, and Lume Agent every 3 months. Most recently, UDAN EMS was updated on October 24, 2026 and Lume Agent 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.*