# Oil Command Mobile vs ezModbus

The clearest difference is price: Oil Command Mobile at Free against ezModbus's $4.99. Oil Command Mobile also leads on update cadence (every 6 weeks vs every 41 months) and iOS requirement (12.0 vs 17.0). ezModbus's advantage is chart position (#125 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Oil Command Mobile is free to download; ezModbus costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oil Command Mobile ships an update every 6 weeks, ezModbus every 41 months. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Oil Command Mobile | ezModbus |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/oil-command-mobile/id1159420379/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 41 months |
| Monetization | Free | — |
| Best chart rank | — | **#125** |
| Size | 21 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oil Command, LLC](https://appshunter.io/developer/1121711520) | [Bitmakers LLC](https://appshunter.io/developer/1474083419) |

## What reviewers say

### Oil Command Mobile

[App page](https://appshunter.io/ios/app/oil-command-mobile/id1159420379)

Manage field work tickets for the Oil & Gas industry. This app allows users to create tickets, perform calculations, document activities, and capture signatures, even in areas with no cell service.

**Highlights:** Create new field tickets, Perform gauge calculations, Collect grind out measurements, Document billable activities, Capture signatures, Offline data storage

**Features:** macOS Compatibility

**In-app purchases:** none


### ezModbus

[App page](https://appshunter.io/ios/app/ezmodbus/id1474083420)

**Currently charting:** #125 Top Paid · Business (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Oil Command Mobile free?

Oil Command Mobile is free to download, with no in-app purchases.

### Is ezModbus free?

ezModbus costs $4.99, with no in-app purchases.

### Do Oil Command Mobile or ezModbus have ads?

Neither Oil Command Mobile nor ezModbus shows ads.

### Which is updated more often, Oil Command Mobile or ezModbus?

Oil Command Mobile ships an update every 6 weeks, and ezModbus every 41 months. Most recently, Oil Command Mobile was updated on October 2, 2026 and ezModbus on October 13, 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.*