Comparison

CFR Title 37 vs CFR AI

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

Head to head
About

CFR Title 37

Access the complete text of U.S. intellectual property regulations, including patents, trademarks, and copyrights. Offers robust search, customizable interface, and annual updates. Premium features include annotation tools and cross-device syncing.

Highlights
  • Full access to Title 37 CFR
  • Robust search functionality
  • User-friendly interface
  • Enhanced annotation tools (premium)
  • Sync across devices (premium)
  • Includes bonus aviation and hazardous materials regulations
Read full description

Title 37 CFR - Patents, Trademarks, and Copyrights Your Comprehensive Guide to U.S. Intellectual Property Regulations Unlock the complete text of Title 37 of the Code of Federal Regulations—the definitive source for all patent, trademark, and copyright regulations in the United States. Ideal for attorneys, inventors, entrepreneurs, and anyone keen on intellectual property law. Key Features: • Full Access to Title 37 CFR: • Browse and search the entire text effortlessly. • Stay up-to-date with free annual updates every February 1st. • Robust Search Functionality: • Quickly find specific regulations with advanced search. • Sort results by relevance or section number. • User-Friendly Interface: • Customize text size with support for iOS Dynamic Type. • Choose between light and dark themes, including auto dark mode. • Enjoy seamless navigation in both portrait and landscape modes. • Multitasking support for efficient workflow. Premium Subscription Features: • Enhanced Annotation Tools: • Bookmarks: Save important sections for quick access. • Highlights & Notes: Mark and annotate key passages. • History Trail: Easily revisit recently viewed content, organized by day. • Sync Across Devices: Keep your annotations consistent on all iOS devices. • Quarterly Updates: Receive the latest regulatory changes throughout the year. Bonus Content Included: • Federal Aviation Regulations (Title 14 CFR): • Access comprehensive aviation rules, including Parts 1, 43, 48, 61, 67, 68, 71, 73, 91, 97, 103, 105, 107, 110, 117, 119, 135, 136, 137, 141, and 142. • Additional Federal Regulations: • Hazardous Materials (Title 49 Parts 172 & 175) • NTSB Regulations (Part 830) • TSA Regulations (Parts 1544 & 1552) • FAA Aeronautical Information Manual (AIM): • Complete access to all sections with original figures. • Pilot/Controller Glossary: • A valuable resource for aviation professionals and enthusiasts. Why Choose Our App? • Comprehensive: All the regulations you need in one place. • Convenient: Access vital information anytime, anywhere. • Customizable: Tailor the app to fit your reading and research preferences. • Cost-Effective: Start with free access and upgrade to premium features as needed. Get Started Today! Download now to explore the vast world of U.S. intellectual property regulations. Upgrade to the premium subscription for a free trial and unlock the app’s full potential. Stay Informed. Stay Compliant. Whether you’re drafting a patent application, researching trademark laws, or studying for the bar exam, our app is your ultimate resource for accurate and up-to-date information.

About

CFR AI

This app provides AI-powered assistance for understanding Title 45 of the Code of Federal Regulations concerning social services and health. It offers instant answers, example questions, and an interactive chat interface for regulatory compliance professionals.

Highlights
  • AI-powered GPT-4o assistance
  • Instant answers on regulations
  • Example questions for guidance
  • Interactive AI chatbot
  • Notes, calendar, and reminders
  • User-friendly interface
Read full description

CFR AI - Title 45 is built for people who need a focused, modern workspace for Code of Federal Regulations Title 45 research and organization. Ask questions about Title 45 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 45 CFR Chat Ask natural-language questions about Public Welfare 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 45 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. Public Welfare Organizer Track CFR-related questions, review steps, target dates, statuses, and follow-up items for public welfare 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 45 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

CFR Title 374 screens
CFR AI4 screens

Verdict

The call

The clearest difference is in-app purchases: CFR Title 37 at none against CFR AI's 4. CFR Title 37 also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (6 vs 1). On price, rating, ads and device support 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. CFR AI sells 4 in-app purchases, starting at $0.99 per 7 days. CFR Title 37 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for CFR Title 37 against 5.0 for CFR AI. That said, the two scores are not equally well evidenced: CFR Title 37 has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

CFR Title 37 ships an update every 3 weeks, CFR AI every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 4 level
CFR Title 37 versus CFR AI: the parameters behind the verdict, then further details
ParameterCFR Title 37CFR AI
PriceFreeFree
Rating5.0 (6 ratings)5.0 (1 ratings)
Number of ratings6 — better1
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreemium — betterSubscription
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.6 — better26.0
Further details — not scored
Size24 MB13 MB
Age rating4+4+
DeveloperBarReadySmerDev Studio LLC

Customer experience

CFR Title 37

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CFR AI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CFR Title 37

No in-app purchases

4 purchases

CFR AI

Subscriptions4
  • Weekly3 Days trial$0.997 Days
  • Monthly3 Days trial$3.991 Month
  • Biannual3 Days trial$23.996 Months
Show 1 more
  • Annual3 Days trial$45.991 Year

Questions

Is CFR Title 37 free?
CFR Title 37 is free to download, with no in-app purchases.
Is CFR AI free?
CFR AI is free to download, with in-app purchases available.
Which has better reviews, CFR Title 37 or CFR AI?
CFR Title 37 and CFR AI are both rated 5.0 out of 5 on the App Store, from 6 and 1 ratings respectively.
Do CFR Title 37 or CFR AI have ads?
Neither CFR Title 37 nor CFR AI shows ads.
Which is updated more often, CFR Title 37 or CFR AI?
CFR Title 37 ships an update every 3 weeks, and CFR AI every 2 months. Most recently, CFR Title 37 was updated on November 3, 2026 and CFR AI on October 30, 2026.

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