Blog

Thoughts on workout tracking, privacy, and building fitness tools that respect their users.

·4 min read

PRGRS Is Now Free: The Whole App, No Price Tag, No Catch

PRGRS — the privacy-first iOS workout tracker — is now completely free. Every feature, no subscription, no ads, no account. Here's what changed, what didn't, and the honest reason why.

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·5 min read

How Many Sets Per Week Do You Actually Need? The Science of Training Volume

A major 2025 meta-regression finally answers the training volume debate: how many sets per muscle group per week maximises muscle growth? The answer has big implications for how you plan — and track — your training.

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·5 min read

Progressive Overload: Why Every Rep You Don't Track Is Strength Left on the Table

Science is clear: progressive overload is the single most important driver of muscle and strength gains. But it only works if you track your numbers. Here's what the research says — and why most people are leaving results on the table.

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·4 min read

Why Your Workout App Doesn't Need a Subscription

Most workout trackers charge €10–15/month for features that run entirely on your phone. Here's why that doesn't make sense — and what the alternative looks like.

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·3 min read

The Case for Offline-First Fitness Tracking

Your gym probably has terrible Wi-Fi. Your workout app shouldn't care. Here's why offline-first design matters for fitness tracking — and why your data is safer on your device.

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·6 min read

Best Workout Apps Without a Subscription [2026]

Tired of paying €10–15/month for a gym log? Here are the best workout tracker apps you can buy once and own forever — no recurring fees, no trials, no paywalls.

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·5 min read

How to Track Progressive Overload Effectively

Progressive overload is the foundation of getting stronger. Here's how to track it properly — and why your workout app should make it automatic.

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·7 min read

PRGRS vs Strong vs Hevy: An Honest Comparison

Three popular workout trackers, three different approaches. Here's an honest comparison of PRGRS, Strong, and Hevy — features, pricing, privacy, and who each app is best for.

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