# UDAN EMS vs N3 Lite

UDAN EMS and N3 Lite are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, N3 Lite monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | UDAN EMS | N3 Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 34 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anhui Udan Technology Co., Ltd.](https://appshunter.io/developer/1593792520) | [Always-control Technology Co.,Ltd.](https://appshunter.io/developer/1723350347) |

## 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


### N3 Lite

[App page](https://appshunter.io/ios/app/n3-lite/id6756552345)

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

**In-app purchases:** none


## Frequently asked questions

### Is UDAN EMS free?

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

### Is N3 Lite free?

N3 Lite is free to download, with no in-app purchases.

### Do UDAN EMS or N3 Lite have ads?

Neither UDAN EMS nor N3 Lite shows ads.

### Which is updated more often, UDAN EMS or N3 Lite?

UDAN EMS ships an update every 5 weeks, and N3 Lite monthly. Most recently, UDAN EMS was updated on October 24, 2026 and N3 Lite 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.*