# USACE Vicksburg vs UAPI

The clearest difference is update cadence: USACE Vicksburg at every 2 months against UAPI's every 5 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

USACE Vicksburg ships an update every 2 months, UAPI every 5 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | USACE Vicksburg | UAPI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (10 ratings)](https://appshunter.io/ios/app/usace-vicksburg/id770202952/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 76 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [U.S. Army, Corps of Engineers,Vicksburg District](https://appshunter.io/developer/770202955) | [UAPI](https://appshunter.io/developer/1626182983) |

## What reviewers say

### USACE Vicksburg

[App page](https://appshunter.io/ios/app/usace-vicksburg/id770202952)

This app provides comprehensive water resource products and services across a vast region. It connects users with a dedicated workforce focused on engineering solutions for the 21st century.

**Highlights:** Water resource products, Water resource services, Regional coverage, Dedicated workforce, 21st-century engineering

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

**In-app purchases:** none


### UAPI

[App page](https://appshunter.io/ios/app/uapi/id1504546639)

This app allows users to search for available cars at auto parts yards. Customers can then visit the yard to pull the parts they need. It provides a way to find specific auto parts from a large inventory.

**Highlights:** Search cars in yard inventory, Locate parts at specific yards, Find auto parts, Yard inventory browsing

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

**In-app purchases:** none


## Frequently asked questions

### Is USACE Vicksburg free?

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

### Is UAPI free?

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

### Do USACE Vicksburg or UAPI have ads?

Neither USACE Vicksburg nor UAPI shows ads.

### Which is updated more often, USACE Vicksburg or UAPI?

USACE Vicksburg ships an update every 2 months, and UAPI every 5 months. Most recently, USACE Vicksburg was updated on October 23, 2026 and UAPI on October 6, 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.*