# 30 CFR by LawStack vs DOI OSH Safety The clearest difference is rating: DOI OSH Safety at 5.0 against 30 CFR by LawStack's 3.7. DOI OSH Safety also leads on in-app purchases (none vs 2). 30 CFR by LawStack's advantage is ratings volume (7 vs 1) and iOS requirement (9.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them. Both are free to download. 30 CFR by LawStack sells 2 one-off in-app purchases. DOI OSH Safety asks for nothing beyond the download. DOI OSH Safety holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: 30 CFR by LawStack has 7 ratings behind it against 1, so its average is the more settled of the two. 30 CFR by LawStack ships an update every 2 months, DOI OSH Safety every 3 months. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively. ## The numbers | Metric | 30 CFR by LawStack | DOI OSH Safety | | --- | --- | --- | | Price | Free | Free | | Rating | [3.7 (7 ratings)](https://appshunter.io/ios/app/30-cfr-by-lawstack/id325716756/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doi-osh-safety/id1527456645/reviews)** | | Number of ratings | **7** | 1 | | Positive reviews | 88.9% of reviews | — | | In-app purchases | Yes | **No** | | Ads | No | No | | Update frequency | **Every 2 months** | Every 3 months | | Monetization | Free with in-app purchases | **Free** | | Size | 79 MB | 56 MB | | Requires iOS | **9.0** | 18.6 | | Devices | **iPhone, iPad, iPod** | iPhone, iPad | | Age rating | 4+ | 4+ | | Developer | [Tekk Innovations LLC](https://appshunter.io/developer/320464672) | [U.S. Department of the Interior](https://appshunter.io/developer/1498505970) | ## What reviewers say ### 30 CFR by LawStack [App page](https://appshunter.io/ios/app/30-cfr-by-lawstack/id325716756) 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:** macOS Compatibility **In-app purchases (2)** | Purchase | Price | Billing | | --- | --- | --- | | 30 CFR - 3 Months | $14.99 | one-time | | 30 CFR - 1 Year | $99.99 | one-time | ### DOI OSH Safety [App page](https://appshunter.io/ios/app/doi-osh-safety/id1527456645) This app offers policy information, tools, and resources for employees and contractors to promote workplace safety. It includes assessments, checklists, and articles to educate users on procedures for protecting lives and property. **Highlights:** Policy information, Safety tools and resources, Assessments and checklists, How-to articles, Healthful procedure education **Features:** macOS Compatibility, Vision Pro support **In-app purchases:** none ## Frequently asked questions ### Is 30 CFR by LawStack free? 30 CFR by LawStack is free to download, with in-app purchases available. ### Is DOI OSH Safety free? DOI OSH Safety is free to download, with no in-app purchases. ### Which has better reviews, 30 CFR by LawStack or DOI OSH Safety? DOI OSH Safety is rated higher. 30 CFR by LawStack averages 3.7 out of 5 from 7 ratings, while DOI OSH Safety averages 5.0 from 1 ratings. ### Do 30 CFR by LawStack or DOI OSH Safety have ads? Neither 30 CFR by LawStack nor DOI OSH Safety shows ads. ### Which is updated more often, 30 CFR by LawStack or DOI OSH Safety? 30 CFR by LawStack ships an update every 2 months, and DOI OSH Safety every 3 months. Most recently, 30 CFR by LawStack was updated on October 23, 2026 and DOI OSH Safety on October 10, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*