ACTN3 - Performance Athletes
Strength Programs
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About
Jump Higher, Sprint Faster & Lift Heavier with ACTN3 Performance Athletes! Whether you’re just starting out or a seasoned pro, ACTN3 is the powerhouse app for strength and conditioning.
Access an ever-expanding library of training programs designed for all levels of experience and abilities. With dedicated coaching and results tracking, you’ll stay on course to become the strongest, fastest, and most elite version of yourself.
Join our community of athletes and download ACTN3 today!
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What's New in ACTN3
3.0.317
July 22, 2026
This release of MyStrengthBook focuses on improving the user experience with more control over commonly used features and workflows.
