# Bluetooth DMM vs UNI

The clearest difference is rating: UNI at 3.0 against Bluetooth DMM's 2.5. UNI also leads on review sentiment (25% vs 0%). Bluetooth DMM's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (9.0 vs 12.0). On price, ratings volume, 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.

UNI holds the better App Store score, 3.0 against 2.5. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 0% of Bluetooth DMM's written reviews are positive against 25% of UNI's.

Bluetooth DMM ships an update every 2 weeks, UNI every 6 weeks. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Bluetooth DMM | UNI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/bluetooth-dmm/id1507743438/reviews) | **[3.0 (3 ratings)](https://appshunter.io/ios/app/uni-t-smart-measure/id1587547004/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 44 MB | 68 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [德 李](https://appshunter.io/developer/1529841015) | [UNI-TREND TECHNOLOGY (CHINA) CO.,LTD.](https://appshunter.io/developer/1207185875) |

## What reviewers say

### Bluetooth DMM

[App page](https://appshunter.io/ios/app/bluetooth-dmm/id1507743438)

Connect to a Bluetooth multimeter to streamline measurements, record and visualize data, and share insights. This app also offers a platform for industry communication and basic knowledge sharing.

**Highlights:** Bluetooth multimeter connection, Data recording and graphing, Data sharing and export, Threshold alarms, Connect up to four multimeters, Smart calculation functions, Remote assistance and monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### UNI

[App page](https://appshunter.io/ios/app/uni-t-smart-measure/id1587547004)

This application enables wireless data transmission from compatible multimeters and clamp meters to your mobile device via Bluetooth. It allows for remote operation, data logging, and report generation in challenging environments. View and process measurement data efficiently from a distance.

**Highlights:** Wireless data transmission via Bluetooth 5.0, Remote multimeter/clamp meter operation, Data logging and measurement tracking, Report generation, Support for complex environments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bluetooth DMM free?

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

### Is UNI free?

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

### Which has better reviews, Bluetooth DMM or UNI?

UNI is rated higher. Bluetooth DMM averages 2.5 out of 5 from 4 ratings, while UNI averages 3.0 from 3 ratings.

### Do Bluetooth DMM or UNI have ads?

Neither Bluetooth DMM nor UNI shows ads.

### Which is updated more often, Bluetooth DMM or UNI?

Bluetooth DMM ships an update every 2 weeks, and UNI every 6 weeks. Most recently, Bluetooth DMM was updated on October 12, 2026 and UNI on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*