# OML Directory vs APPA Engage

The clearest difference is ads: OML Directory at none against APPA Engage's shown. OML Directory also leads on iOS requirement (10.0 vs 16.4). On price, 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 | OML Directory | APPA Engage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 7 months |
| Size | 25 MB | 51 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Empowered Margins](https://appshunter.io/developer/1548442706) | [The American Public Power Association.](https://appshunter.io/developer/1345241617) |

## What reviewers say

### OML Directory

[App page](https://appshunter.io/ios/app/oml-directory/id1548442704)

**Features:** macOS Compatibility

**In-app purchases:** none


### APPA Engage

[App page](https://appshunter.io/ios/app/appa-engage/id1571202081)

**In-app purchases:** none


## Frequently asked questions

### Is OML Directory free?

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

### Is APPA Engage free?

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

### Do OML Directory or APPA Engage have ads?

APPA Engage shows ads; OML Directory does not.

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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.*