CFR AI - Title 21
Clinical Research Assistant
Free · In‑App Purchases
CFR AI Title 21 combines live eCFR answers, citation tools, version comparison, and productivity planning for Food and Drugs.
CFR AI - Title 21 is built for people who need a focused, modern workspace for Code of Federal Regulations Title 21 research and organization.
Ask questions about Title 21 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 21 CFR Chat
Ask natural-language questions about Food and Drugs 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 21 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.
Food and Drugs Organizer
Track CFR-related questions, review steps, target dates, statuses, and follow-up items for food and drugs 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 21 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/
Ratings & Reviews
Major redesign with a modern red, white, and blue interface, live eCFR-focused Title 21 chat, StoreKit subscription paywall, citation builder, version comparison, CFR change monitoring, Food and Drugs Organizer, advanced calendar, reminders, notes, and improved save actions for complete AI responses.
The developer, Ryan Smerdon, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- SmerDev Studio LLC
- Size
- 14 MB
- Category
- Medical
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 14.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Weekly $0.99
- Yearly $45.99
- Monthly $3.99
- Bi-Annual $23.99
- CFR AI Title 21 Yearly $45.99
- CFR AI Title 21 Six-Month $23.99
- CFR AI Title 21 Weekly $0.99
- CFR AI Title 21 Monthly $3.99
- Copyright
- © 2026 SmerDev Studio