# MASTECH vs OWON iMeter

The clearest difference is update cadence: OWON iMeter at every 3 months against MASTECH's every 76 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MASTECH ships an update every 76 months, OWON iMeter every 3 months. The most recent releases landed on September 16, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | MASTECH | OWON iMeter |
| --- | --- | --- |
| Price | Free | 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 76 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 7 MB | 56 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MGL APPA CORPORATION](https://appshunter.io/developer/1121102475) | [Fujian Lilliput Optoelectronics Technology Co., Ltd.](https://appshunter.io/developer/1049176635) |

## What reviewers say

### MASTECH

[App page](https://appshunter.io/ios/app/mastech/id1229324045)

**Features:** macOS Compatibility

**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 MASTECH free?

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

### Is OWON iMeter free?

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

### Do MASTECH or OWON iMeter have ads?

Neither MASTECH nor OWON iMeter shows ads.

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

MASTECH ships an update every 76 months, and OWON iMeter every 3 months. Most recently, MASTECH was updated on September 16, 2026 and OWON iMeter on September 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.*