# UEi Wireless vs EM3720

UEi Wireless and EM3720 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.

UEi Wireless ships an update every 2 months, EM3720 every 4 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | UEi Wireless | EM3720 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (6 ratings)](https://appshunter.io/ios/app/uei-wireless/id849705071/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 2 MB | 6 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kane Asia Inc.](https://appshunter.io/developer/1542732944) | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) |

## What reviewers say

### UEi Wireless

[App page](https://appshunter.io/ios/app/uei-wireless/id849705071)

This utility app transmits data wirelessly via Bluetooth 4.0. It is currently compatible with UEi's DL429 device for data transfer.

**Highlights:** Bluetooth 4.0 data transmission, Compatible with UEi DL429, Wireless data transfer

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

**In-app purchases:** none


### EM3720

[App page](https://appshunter.io/ios/app/em3720/id1376380656)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UEi Wireless free?

UEi Wireless is free to download, with no in-app purchases.

### Is EM3720 free?

EM3720 is free to download, with no in-app purchases.

### Do UEi Wireless or EM3720 have ads?

Neither UEi Wireless nor EM3720 shows ads.

### Which is updated more often, UEi Wireless or EM3720?

UEi Wireless ships an update every 2 months, and EM3720 every 4 months. Most recently, UEi Wireless was updated on October 8, 2026 and EM3720 on October 5, 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.*