B3 U
B3 Sciences
About
Revolutionize your fitness with Blood Flow Restriction (BFR) training. Access expert-led live workouts, personalized plans, and educational resources to achieve better results in less time. Connect with a supportive community and professional coaches.
What's New in B3 U
3.35.0
July 21, 2026
Bug fixes and performance improvements!
Subscription plans
Monthly
B3 U Monthly (APP)
Developer apps
FAQ
What is BFR training in B3 U?
BFR training, or Blood Flow Restriction, is a technique used in B3 U to help maximize results with less weight and strain. The app provides education and resources to help users understand the science behind it.
Does B3 U offer live workouts?
Yes, B3 U features expert-led live workouts weekly. These sessions are designed to keep users motivated and on track with their fitness goals.
How does B3 U personalize training?
B3 U provides custom training plans tailored to your specific goals, whether you aim to build strength, improve endurance, or enhance recovery. These plans are designed to help you achieve incredible results.
What are the subscription options for B3 U?
B3 U offers auto-renewing subscriptions, with options for monthly at $29.99 and yearly at $659.99. Pricing may vary by location and is confirmed before purchase.
Can I cancel my B3 U subscription?
Yes, you can cancel your B3 U subscription anytime in your Account Settings. Cancellation must be done at least 24 hours before the end of the current billing period or trial period.
What devices is B3 U available on?
B3 U is available on iPhone, iPad, and iPod. It offers unlimited access to content across all your devices with an active subscription.
How often is B3 U updated?
The latest version of B3 U is 3.33.0, and it was last updated on May 26, 2026. Updates typically include new features, improvements, and bug fixes.
What is the age rating for B3 U?
B3 U has an age rating of 4+. This indicates it is suitable for a wide range of users, though specific fitness recommendations may apply based on individual health.
