Comparison

30 CFR by LawStack vs oCFR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

30 CFR by LawStack

Access the complete Title 30 Code of Federal Regulations (CFR) for Mineral Resources offline. This app allows for bookmarking, highlighting, note-taking, and full-text searching. Share content easily with colleagues.

Highlights
  • Complete Title 30 CFR offline
  • Custom bookmarks, highlighting, and notes
  • Full-text and advanced search
  • Email and share content
  • Includes all tables and images
  • Free trial
Features
Read full description

LawStack's complete Title 30 Code of Federal Regulations (CFR), Mineral Resources. Leave the heavy books at home and buy this app now. • Free trial for new users. Renew thereafter via in-app purchase. • Complete offline access. • All tables and images included. • Add custom bookmarks, highlighting, and notes. • Full-text search and other advanced search options. • Email and share sections or selected content with colleagues. Question, comments, or feature requests? Need specific updates? Email us at support@lawstack.com. ************************************ Disclaimer: The information in this app is not intended to replace official versions, is subject to revision, and should not be considered legal advice. Tekk Innovations LLC presents this information without warranties, express or implied, regarding accuracy, timeliness, or completeness. In addition, this disclaimer may change at anytime. When necessary, consult primary source material.

About

oCFR

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
Read full description

The U.S. DOT. Pipeline and Hazardous Materials Safety Administration’s (PHMSA) mission is to protect people and the environment by advancing the safe transportation of energy and other hazardous materials that are essential to our daily lives. This app provides online access to PHMSA’s Hazardous Materials Regulations (HMR) in 49 CFR parts 100-180 for the classifying, handling and packaging of hazardous materials by highway, rail, aircraft, and vessel. This app also provides online access to PHMSA’s Pipeline Safety Regulations in 49 CFR parts 190-199, which provide the Federal minimum safety standards for the design, construction, operation and maintenance, and spill response planning for pipeline and LNG facilities involved in the transportation of natural gas and hazardous liquids within the United States.

Screenshots

30 CFR by LawStack4 screens
oCFR4 screens

Verdict

The call

30 CFR by LawStack and oCFR both sit at 3.7 stars, but that hides the real split: 89% of 30 CFR by LawStack's written reviews are positive against 50% of oCFR's. 30 CFR by LawStack also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (9.0 vs 11.0). oCFR's advantage is in-app purchases (none vs 2). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 30 CFR by LawStack sells 2 one-off in-app purchases. oCFR asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.7 for 30 CFR by LawStack against 3.7 for oCFR. Both are backed by a comparable volume of ratings — 7 and 9 respectively. Written reviews are what separate them: 89% of 30 CFR by LawStack's written reviews are positive against 50% of oCFR's.

UpkeepUpdate frequency

30 CFR by LawStack ships an update every 2 months, oCFR every 6 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
30 CFR by LawStack versus oCFR: the parameters behind the verdict, then further details
Parameter30 CFR by LawStackoCFR
PriceFreeFree
Rating3.7 (7 ratings) — better3.7 (9 ratings)
Positive reviews88.9% of reviews — better50.0% of reviews
Number of ratings79 — better
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better11.0
Further details — not scored
Size79 MB70 MB
Age rating4+4+
DeveloperTekk Innovations LLCPipeline and Hazardous Materials Safety Administration

Customer experience

30 CFR by LawStack

All ratings7 ratings
Positive57.1%
Neutral28.6%
Negative14.3%
Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

oCFR

All ratings9 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

30 CFR by LawStack

One-time2
  • 30 CFR - 3 Months$14.99
  • 30 CFR - 1 Year$99.99
None

oCFR

No in-app purchases

Questions

Is 30 CFR by LawStack free?
30 CFR by LawStack is free to download, with in-app purchases available.
Is oCFR free?
oCFR is free to download, with no in-app purchases.
Which has better reviews, 30 CFR by LawStack or oCFR?
30 CFR by LawStack is rated higher. 30 CFR by LawStack averages 3.7 out of 5 from 7 ratings, while oCFR averages 3.7 from 9 ratings.
Do 30 CFR by LawStack or oCFR have ads?
Neither 30 CFR by LawStack nor oCFR shows ads.
Which is updated more often, 30 CFR by LawStack or oCFR?
30 CFR by LawStack ships an update every 2 months, and oCFR every 6 months. Most recently, 30 CFR by LawStack was updated on October 23, 2026 and oCFR on October 24, 2026.

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