Is a Health & Fitness app a medical device?
Apple started showing a regulated-medical-device label on US, UK and EEA product pages on 26 March 2026. Here is how to read it, and why ftns.ai is a game.
From the team building it
The ftns.ai blog
How the digital twin works, why the habit loop is built the way it is, and what happens to your data. Written by the people making it, in plain words.
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Your twin looks like you. Here's what we do about that.
A twin built to your own proportions is a serious thing to hand an app. Who sees it, what happens to photos, and the things we rule out in writing.
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How to log a day in thirty seconds
Voice logging, Apple Health autofill and a one-tap mood check. The quickest honest check-in, and the fields you never have to touch.
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The Tamagotchi generation grew up
A 1997 keychain pet understood something most habit apps still do not. Here is what we kept from it, and what we deliberately threw away.
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Streaks, without the guilt
XP that never goes down, a perfect week you define yourself, and freezes for the days life gets in the way. How the progression loop is built.
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Where your data lives
Your logs, your measurements and your twin are stored on the device. What that changes for photos, Apple Health, analytics and deletion.
Meet your twin.
A habit game for iPhone. Private by default, free for seven days, and the twin is the whole game.