# Owner Operators vs EI Master

The clearest difference is ads: Owner Operators at none against EI Master's shown. EI Master's advantage is iOS requirement (12.0 vs 14.0.0). On price, update cadence, 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.

Owner Operators ships an update every 3 weeks, EI Master monthly. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Owner Operators | EI Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 19 MB | 10 MB |
| Requires iOS | 14.0.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eye1 Global Service LLC](https://appshunter.io/developer/1384397904) | [PigSoft](https://appshunter.io/developer/685168930) |

## What reviewers say

### Owner Operators

[App page](https://appshunter.io/ios/app/owner-operators/id6444726814)

**In-app purchases:** none


### EI Master

[App page](https://appshunter.io/ios/app/ei-master/id6474585945)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Owner Operators free?

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

### Is EI Master free?

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

### Do Owner Operators or EI Master have ads?

EI Master shows ads; Owner Operators does not.

### Which is updated more often, Owner Operators or EI Master?

Owner Operators ships an update every 3 weeks, and EI Master monthly. Most recently, Owner Operators was updated on October 12, 2026 and EI Master on October 1, 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.*