Journal

Notes on the long game.

Why we build what we build — training, longevity and the data underneath it.

Product · 17 July 2026

Why we built one app instead of ten

Your workout tracker doesn't know what you ate. Your food app doesn't know you slept badly. Here's why that gap is the whole problem — and what we did about it.

Read → Point of view · 16 July 2026

Train for the long run: what longevity actually means if you lift

Longevity apps want you to optimise your biological age. We think the athletes had it right first — you get the decades by training well today, not by watching a score.

Read → Principles · 15 July 2026

Your data should work for you

On-device body scans, privacy zones, full export and an open API — why we treat your training log as yours, and what that means in practice.

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