# OWON iMeter vs DPM Calculator

The clearest difference is device support: OWON iMeter at 3 against DPM Calculator's 1. OWON iMeter also leads on iOS requirement (13.0 vs 18.0). On price, 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.

## The numbers

| Metric | OWON iMeter | DPM Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/owon-imeter/id1607020484/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 56 MB | 6 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fujian Lilliput Optoelectronics Technology Co., Ltd.](https://appshunter.io/developer/1049176635) | [Chase Environmental Group, INC.](https://appshunter.io/developer/1817895469) |

## What reviewers say

### 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


### DPM Calculator

[App page](https://appshunter.io/ios/app/dpm-calculator/id6746685267)

**In-app purchases:** none


## Frequently asked questions

### Is OWON iMeter free?

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

### Is DPM Calculator free?

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

### Do OWON iMeter or DPM Calculator have ads?

Neither OWON iMeter nor DPM Calculator shows ads.

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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.*