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Fitness Privacy.
No Fluff.

Plain-English writing on health data, encryption, and how to get fit without handing over your most sensitive information.

Diagram showing fitness app data flowing to advertisers and insurers on the left, contrasted with Hercule's encrypted shield on the right

Why Most Fitness Apps Are Selling Your Health Data (And What You Can Do About It)

Free fitness apps make money somehow. We break down exactly what data is collected, who buys it, and why your workout history is more valuable than you think.

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Illustration: phone with delete icon on the left, data still persisting on servers on the right

How to Delete Your Fitness Data (The Complete 2026 Guide)

Deleting the app doesn't delete your data. Here are the 5 steps that actually work — and why most people never take them.

The HIPAA Loophole That Lets Fitness Apps Sell Your Data

Most health apps aren't covered by HIPAA. Here's the legal gap that lets them sell your data — and what legislation is trying to close it.

Progressive Overload: The One Principle That Actually Drives Muscle Growth

No secret stacks. No 6-week programs. Just the boring, evidence-based principle behind every effective training cycle.