# EDLM vs OWON iMeter

The clearest difference is price: OWON iMeter at Free against EDLM's $19.99. OWON iMeter also leads on update cadence (every 3 months vs every 26 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

OWON iMeter is free to download; EDLM costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EDLM ships an update every 26 months, OWON iMeter every 3 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | EDLM | OWON iMeter |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/owon-imeter/id1607020484/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 4 MB | 56 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Fujian Lilliput Optoelectronics Technology Co., Ltd.](https://appshunter.io/developer/1049176635) |

## What reviewers say

### EDLM

[App page](https://appshunter.io/ios/app/edlm/id1436617159)

**In-app purchases:** none


### OWON iMeter

[App page](https://appshunter.io/ios/app/owon-imeter/id1607020484)

This app enables remote monitoring, analysis, and data logging for smart Bluetooth multimeters. It allows for continuous real-time and offline recording, multi-device control, and abnormal data warnings, enhancing operator safety and simplifying data comparison.

**Highlights:** Remote real-time monitoring, Continuous offline recording, Multi-device control, Wireless safety monitoring, Graphic and table data presentation, Abnormal data warning system, Data backup and sharing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EDLM free?

EDLM costs $19.99, with no in-app purchases.

### Is OWON iMeter free?

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

### Do EDLM or OWON iMeter have ads?

Neither EDLM nor OWON iMeter shows ads.

### Which is updated more often, EDLM or OWON iMeter?

EDLM ships an update every 26 months, and OWON iMeter every 3 months. Most recently, EDLM was updated on October 5, 2026 and OWON iMeter on October 6, 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.*