# USACE Memphis. vs OSARC

The clearest difference is ads: OSARC at none against USACE Memphis.'s shown. USACE Memphis.'s advantage is iOS requirement (11.0 vs 13.0). 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.

USACE Memphis. ships an update every 9 months, OSARC every 6 months. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | USACE Memphis. | OSARC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 6 months** |
| Size | 32 MB | 14 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [United States Army Corps of Engineers](https://appshunter.io/developer/1492095154) | [Mississippi State University Extension Service](https://appshunter.io/developer/580535523) |

## What reviewers say

### USACE Memphis.

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

**In-app purchases:** none


### OSARC

[App page](https://appshunter.io/ios/app/osarc/id6463947688)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USACE Memphis. free?

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

### Is OSARC free?

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

### Do USACE Memphis. or OSARC have ads?

USACE Memphis. shows ads; OSARC does not.

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

USACE Memphis. ships an update every 9 months, and OSARC every 6 months. Most recently, USACE Memphis. was updated on October 6, 2026 and OSARC on October 14, 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.*