# Arkansas Environment vs USACE Memphis.

The clearest difference is ads: Arkansas Environment at none against USACE Memphis.'s shown. Arkansas Environment also leads on update cadence (every 3 months vs every 9 months). USACE Memphis.'s advantage is iOS requirement (11.0 vs 13.0). 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.

Arkansas Environment ships an update every 3 months, USACE Memphis. every 9 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Arkansas Environment | USACE Memphis. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 50 MB | 32 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arkansas Department of Energy and Environment](https://appshunter.io/developer/1693657686) | [United States Army Corps of Engineers](https://appshunter.io/developer/1492095154) |

## What reviewers say

### Arkansas Environment

[App page](https://appshunter.io/ios/app/arkansas-environment/id997398445)

**Features:** macOS Compatibility

**In-app purchases:** none


### USACE Memphis.

[App page](https://appshunter.io/ios/app/usace-memphis/id1492095155)

**In-app purchases:** none


## Frequently asked questions

### Is Arkansas Environment free?

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

### Is USACE Memphis. free?

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

### Do Arkansas Environment or USACE Memphis. have ads?

USACE Memphis. shows ads; Arkansas Environment does not.

### Which is updated more often, Arkansas Environment or USACE Memphis.?

Arkansas Environment ships an update every 3 months, and USACE Memphis. every 9 months. Most recently, Arkansas Environment was updated on October 26, 2026 and USACE Memphis. on October 26, 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.*