14 CFR by LawStack vs CFR AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
14 CFR by LawStack
Access the complete Title 14 Code of Federal Regulations (CFR) for Aeronautics and Space offline. This app allows for bookmarking, highlighting, note-taking, and sharing content, with full-text search capabilities. A free trial is available, with full access via in-app purchase.
- Complete Title 14 CFR offline
- Includes tables and images
- Custom bookmarks and highlighting
- Full-text and advanced search
- Share sections and content
- Free trial available
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LawStack's complete Title 14 Code of Federal Regulations (CFR), Aeronautics and Space. 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
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CFR AI - Title 14 is built for people who need a focused, modern workspace for Code of Federal Regulations Title 14 research and organization. Ask questions about Title 14 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 14 CFR Chat Ask natural-language questions about Aeronautics and Space 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 14 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. Aerospace Organizer Track CFR-related questions, review steps, target dates, statuses, and follow-up items for aerospace 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 14 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 iOS requirement: 14 CFR by LawStack at 9.0 against CFR AI's 26.0. On price, update cadence, ads and in-app purchases 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. 14 CFR by LawStack sells 2 one-off in-app purchases and CFR AI sells 8 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
14 CFR by LawStack ships an update every 2 months, CFR AI every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | 14 CFR by LawStack | CFR AI |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (7 ratings) — better | — |
| Positive reviews | 77.3% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 140 MB | 13 MB |
| Age rating | 4+ | 12+ |
| Developer | Tekk Innovations LLC | SmerDev Studio LLC |
In-app purchases
14 CFR by LawStack
- 14 CFR - 3 Months$14.99
- 14 CFR - 1 Year$99.99
CFR AI
- CFR AI Title 14 Weekly$0.997 Days
- CFR AI 14 Subscription3 Days trial$0.997 Days
- CFR AI Title 14 Monthly$3.991 Month
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- CFR AI 143 Days trial$3.991 Month
- CFR AI Title 14 Six-Month$23.996 Months
- CFR AI 14 Subscription3 Days trial$23.996 Months
- CFR AI Title 14 Yearly$45.991 Year
- CFR AI 14 Subscription3 Days trial$45.991 Year








