# BIRM Mobile App vs CFR Title 37

The clearest difference is update cadence: CFR Title 37 at every 3 weeks against BIRM Mobile App's every 11 months. BIRM Mobile App's advantage is monetization model (free vs freemium) and iOS requirement (7.0 vs 17.6). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for BIRM Mobile App against 5.0 for CFR Title 37. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

BIRM Mobile App ships an update every 11 months, CFR Title 37 every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | BIRM Mobile App | CFR Title 37 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/birm-mobile-app/id1105006017/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/cfr-title-37/id1560843785/reviews) |
| Number of ratings | 3 | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 96 MB | 24 MB |
| Requires iOS | **7.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [United States Department of Transportation](https://appshunter.io/developer/672945216) | [BarReady](https://appshunter.io/developer/1560844267) |

## 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


### CFR Title 37

[App page](https://appshunter.io/ios/app/cfr-title-37/id1560843785)

Access the complete text of U.S. intellectual property regulations, including patents, trademarks, and copyrights. Offers robust search, customizable interface, and annual updates. Premium features include annotation tools and cross-device syncing.

**Highlights:** Full access to Title 37 CFR, Robust search functionality, User-friendly interface, Enhanced annotation tools (premium), Sync across devices (premium), Includes bonus aviation and hazardous materials regulations

**In-app purchases:** none


## Frequently asked questions

### Is BIRM Mobile App free?

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

### Is CFR Title 37 free?

CFR Title 37 is free to download, with no in-app purchases.

### Which has better reviews, BIRM Mobile App or CFR Title 37?

BIRM Mobile App and CFR Title 37 are both rated 5.0 out of 5 on the App Store, from 3 and 6 ratings respectively.

### Do BIRM Mobile App or CFR Title 37 have ads?

Neither BIRM Mobile App nor CFR Title 37 shows ads.

### Which is updated more often, BIRM Mobile App or CFR Title 37?

BIRM Mobile App ships an update every 11 months, and CFR Title 37 every 3 weeks. Most recently, BIRM Mobile App was updated on October 24, 2026 and CFR Title 37 on October 21, 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.*