
CFR AI - Title 21
Clinical Research Assistant
About
Navigate complex federal regulations with an AI-powered assistant. Get instant, accurate answers to your questions about Title 21 of the Code of Federal Regulations, covering drug development and clinical trials. Features include interactive chat, example questions, and new calendar and reminder functionalities.
What's New in CFR AI
4.1.1
February 4, 2026
New Ui Now pulls live from eCFR
Subscription plans
Weekly
Required Weekly Subscription To Use CFR AI
Developer apps
FAQ
What is CFR AI?
CFR AI is a subscription-based application designed to help professionals navigate Title 21 of the Code of Federal Regulations. It uses advanced AI to provide instant, accurate answers to questions related to drug development, clinical trials, and FDA regulations.
Does CFR AI have ads?
No, CFR AI does not contain advertisements. The application operates on a subscription model, offering full access to its features without interruptions from ads.
What are the subscription options for CFR AI?
CFR AI offers several subscription plans: a weekly plan for $0.99, a monthly plan for $3.99, a bi-annual plan for $23.99, and an annual plan for $45.99. All plans include a 3-day free trial.
What devices is CFR AI available on?
CFR AI is compatible with Mac, iPhone, iPad, and iPod devices, allowing users to access regulatory information across multiple Apple platforms.
How often is CFR AI updated?
The latest version of CFR AI is 4.1.1, and it was last updated on February 4, 2026. This indicates a commitment to regular updates for improved functionality and accuracy.
What is the age rating for CFR AI?
CFR AI has an age rating of 4+, making it suitable for a wide range of users. This rating suggests that the content is appropriate for general audiences.
What AI technology powers CFR AI?
CFR AI is powered by GPT-4o, one of the most advanced AI models available. This ensures that users receive sophisticated and up-to-date information regarding Title 21 CFR.
Can I cancel my CFR AI subscription?
Yes, users can cancel their CFR AI subscription. Details on cancellation policies are typically found within the app's subscription management section or the provided terms of use.









