# BIRM Mobile App vs USC 9

The clearest difference is in-app purchases: BIRM Mobile App at none against USC 9's 3. BIRM Mobile App also leads on iOS requirement (7.0 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. USC 9 sells 3 one-off in-app purchases. BIRM Mobile App asks for nothing beyond the download.

BIRM Mobile App ships an update every 11 months, USC 9 every 16 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BIRM Mobile App | USC 9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/birm-mobile-app/id1105006017/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 16 months |
| Monetization | Free | — |
| Size | 96 MB | 58 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [United States Department of Transportation](https://appshunter.io/developer/672945216) | [Lyker Labs LLC](https://appshunter.io/developer/891194494) |

## What reviewers say

### BIRM Mobile App

[App page](https://appshunter.io/ios/app/birm-mobile-app/id1105006017)

This mobile reference manual provides comprehensive guidance on inspecting and evaluating highway bridges. It's designed for bridge inspectors, engineers, and owners to use in the field for procedures and techniques.

**Highlights:** Highway bridge inspection guidance, Evaluation of in-service bridges, Field use for inspectors, Reference manual for engineers, Procedures and techniques

**Features:** macOS Compatibility

**In-app purchases:** none


### USC 9

[App page](https://appshunter.io/ios/app/usc-9-arbitration/id1557889765)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| USC Title 9 | $4.99 | one-time |
| USC Title 9 | $12.99 | one-time |
| USC Title 9 | $44.99 | one-time |


## Frequently asked questions

### Is BIRM Mobile App free?

BIRM Mobile App is free to download, with no in-app purchases.

### Is USC 9 free?

USC 9 is free to download, with in-app purchases available.

### Do BIRM Mobile App or USC 9 have ads?

Neither BIRM Mobile App nor USC 9 shows ads.

### Which is updated more often, BIRM Mobile App or USC 9?

BIRM Mobile App ships an update every 11 months, and USC 9 every 16 months. Most recently, BIRM Mobile App was updated on October 24, 2026 and USC 9 on October 7, 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.*