# PMScan I Real time PM vs OpCheck

The clearest difference is iOS requirement: PMScan I Real time PM at 12.0 against OpCheck's 15.1. 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.

## The numbers

| Metric | PMScan I Real time PM | OpCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opcheck/id6771061132/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Monetization | — | Free |
| Size | 27 MB | 23 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OMWAVE](https://appshunter.io/developer/1437378315) | [Safeguard Analytics](https://appshunter.io/developer/1457391624) |

## What reviewers say

### PMScan I Real time PM

[App page](https://appshunter.io/ios/app/pmscan-i-real-time-pm/id6502767928)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpCheck

[App page](https://appshunter.io/ios/app/opcheck/id6771061132)

This app enhances gas detection sensor safety and reliability through continuous supervision and performance data analysis. It generates service reports accessible via Bluetooth on iOS devices, which can be easily shared via text or email.

**Highlights:** Continuous gas sensor supervision, Performance data analysis, Routine calibration analysis, Bluetooth connectivity, Service report generation, Single device and site-wide reports, Email and text report upload

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

**In-app purchases:** none


## Frequently asked questions

### Is PMScan I Real time PM free?

PMScan I Real time PM is free to download, with no in-app purchases.

### Is OpCheck free?

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

### Do PMScan I Real time PM or OpCheck have ads?

Neither PMScan I Real time PM nor OpCheck 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.*