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The Problem With Fitness Apps

We have more health data than ever before. So why is it still so hard to answer one simple question?

geoff brown 2 min read · August 1, 2026

Every morning started the same way. I’d wake up, grab my phone, and open a handful of health apps. One showed how long I slept. Another showed my heart rate variability. Another tracked yesterday’s workout. Another estimated my recovery. Each one had beautiful graphs. Each one had colorful scores. Each one had another subscription. And somehow, after looking at all of them, I still didn’t know the answer to the only question that mattered.

One Question

How am I doing today? Not how many hours I slept. Not what my resting heart rate was. Not whether my HRV was up three points. Just how is my body today? That question became the foundation for Motion. I wasn’t trying to build another fitness tracker. Apple Watch already does an incredible job collecting health data. The challenge isn’t collecting more information. It’s making sense of what we already have.

Data Isn’t the Problem

The fitness industry has spent years building incredible sensors. Watches measure heart rate hundreds of times a day. Sleep stages are estimated overnight. HRV, respiratory rate, temperature, activity, workouts, and recovery scores are all available with a few taps. Yet most of these numbers live in isolation. They’re accurate enough to be interesting. But they rarely work together to tell you what your body is actually trying to say.

“The problem isn’t that we don’t have enough health data. It’s that nobody is translating it into something humans naturally understand.”

Building Motion

Motion treats health differently. Sleep isn’t just another chart. It’s one of the signals that influences recovery. Recovery affects readiness. Stress changes how your body responds to effort. Activity creates demand that recovery has to repay. None of these metrics exist on their own. They tell one story together.

The Goal

Motion isn’t trying to convince you to work out every day. Some days the best decision is a hard ride. Other days it’s a walk around the block. Sometimes the smartest workout is taking the day off. My goal isn’t to tell people what they want to hear. It’s to build something they can trust.

Closing

Motion is still evolving. Every algorithm changes. Every release gets a little smarter. But the goal hasn’t changed since the first line of code. I don’t want to build another app that gives people more health data. I want to build one that helps them understand it. Because the most important question isn’t how many charts you can fit onto a screen. It’s whether you can answer the question every person asks when they wake up: How am I doing today?

Motion is currently in active development. The ideas in this article are already shaping the app, and I’ll be sharing the journey, design decisions, and lessons learned as it evolves.

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