48 CFR by LawStack vs CFR AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
48 CFR by LawStack
Access the complete Federal Acquisition Regulations System offline. This app allows for easy searching, bookmarking, highlighting, and note-taking. Share content with colleagues via email.
- Complete offline access
- Full-text search
- Custom bookmarks and highlighting
- Add notes
- Email and share content
- Includes tables and images
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LawStack's complete Title 48 Code of Federal Regulations, Federal Acquisition Regulations System. Leave the heavy books at home and buy this app now. • Free trial for new users. Available 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.
CFR AI
This app provides instant, accurate answers to complex transportation regulations. Powered by advanced AI, it offers an interactive chat experience for professionals in logistics and compliance. Features include note-taking, calendar integration, and easy copying of information.
- AI-powered Q&A on Title 49
- GPT-4o technology
- Instant, accurate answers
- Interactive chatbot
- Notes, calendar, and reminders
- Copy and paste functionality
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CFR AI - Title 49 is built for people who need a focused, modern workspace for Code of Federal Regulations Title 49 research and organization. Ask questions about Title 49 and get AI-assisted responses designed around current eCFR source material, citations, and a clear trust layer. The app also gives you a productivity hub for saved answers, deadlines, reminders, notes, and title-specific follow-up work. Key features: Live Title 49 CFR Chat Ask natural-language questions about Transportation and receive structured AI responses with citation-oriented source context from current eCFR data. eCFR Trust Layer Responses are designed to highlight cited CFR sections, source context, and professional-use reminders so users understand what should be verified before relying on an answer. CFR Change Monitor Track Title 49 update context, recent amendment dates, saved sections, and CFR follow-up work. Citation Builder Build and save CFR references for research, case notes, follow-ups, and professional documentation. Compare Versions Compare CFR section text across available eCFR dates to better understand how regulations have changed over time. Transportation Organizer Track CFR-related questions, review steps, target dates, statuses, and follow-up items for transportation work. Advanced Calendar Use an iOS-style calendar workspace with month, week, day, and agenda views for review blocks, appointments, deadlines, and saved chat answers. Reminders Create organized reminder lists with due dates, notes, priorities, tags, flagged items, scheduled items, and CFR follow-ups. Notes Save research notes, AI answers, citations, checklists, tags, folders, and longer CFR notes without losing important context. AI Action Buttons Save useful chatbot responses into calendar items, reminders, notes, and organizer workflows so research can turn into action. Important notice: CFR AI - Title 49 is an independent productivity and research tool. It is not affiliated with, endorsed by, or sponsored by the U.S. government, eCFR, or the Office of the Federal Register. The eCFR is continuously updated but is not the official legal edition of the CFR. AI responses should be reviewed against cited source material and should not be treated as legal, medical, benefits, or professional advice. Subscription required: Access to app features requires an active subscription. Subscriptions are managed through your Apple account and can be canceled in App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is monetization model: 48 CFR by LawStack at free with in-app purchases against CFR AI's subscription. 48 CFR by LawStack also leads on iOS requirement (9.0 vs 26.0). CFR AI's advantage is update cadence (every 9 days vs every 4 months). 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
Both are free to download. 48 CFR by LawStack sells 2 one-off in-app purchases and CFR AI sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for 48 CFR by LawStack against 5.0 for CFR AI. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
48 CFR by LawStack ships an update every 4 months, CFR AI every 9 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.
| Parameter | 48 CFR by LawStack | CFR AI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 92.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 125 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Tekk Innovations LLC | SmerDev Studio LLC |
Customer experience
48 CFR by LawStack
CFR AI
In-app purchases
48 CFR by LawStack
- 48 CFR - 3 Months$14.99
- 48 CFR - 1 Year$99.99
CFR AI
- Weekly3 Days trial$0.997 Days
- Monthly3 Days trial$3.991 Month
- Bi Annual3 Days trial$23.996 Months
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- Annual3 Days trial$45.991 Year








