# oCFR vs FMCSRs

The clearest difference is ratings volume: oCFR at 9 against FMCSRs's 3. On price, rating, update cadence 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 — 3.7 for oCFR against 3.7 for FMCSRs. Both are backed by a comparable volume of ratings — 9 and 3 respectively.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | oCFR | FMCSRs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (9 ratings)](https://appshunter.io/ios/app/ocfr/id1228220888/reviews) | [3.7 (3 ratings)](https://appshunter.io/ios/app/fmcsrs/id1501538215/reviews) |
| Number of ratings | **9** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free | Free |
| Size | 70 MB | 46 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) | [Michael Leizerman](https://appshunter.io/developer/1501538214) |

## What reviewers say

### oCFR

[App page](https://appshunter.io/ios/app/ocfr/id1228220888)

Access U.S. federal regulations for the safe transportation of hazardous materials and pipeline safety. Covers regulations for classifying, handling, and packaging materials by various transport modes, as well as pipeline facility safety standards.

**Highlights:** Hazardous Materials Regulations (HMR), Pipeline Safety Regulations, 49 CFR Parts 100-180, 49 CFR Parts 190-199, Covers highway, rail, aircraft, and vessel transport, Includes design, construction, operation, and maintenance standards

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

**In-app purchases:** none


### FMCSRs

[App page](https://appshunter.io/ios/app/fmcsrs/id1501538215)

Access a fully searchable database of FMCSRs offline. This reference app provides regulations from Leizerman & Associates, developed by an attorney to solve connectivity issues. It's free with an email address.

**Highlights:** Offline access to FMCSRs, Fully searchable database, Updated regulations, Developed by an attorney, Free with email

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is oCFR free?

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

### Is FMCSRs free?

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

### Which has better reviews, oCFR or FMCSRs?

oCFR and FMCSRs are both rated 3.7 out of 5 on the App Store, from 9 and 3 ratings respectively.

### Do oCFR or FMCSRs have ads?

Neither oCFR nor FMCSRs shows ads.

### Which is updated more often, oCFR or FMCSRs?

oCFR ships an update every 6 months, and FMCSRs every 6 months. Most recently, oCFR was updated on November 2, 2026 and FMCSRs on November 3, 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.*