Free app

The biohacker's daily helper.

Ten tools that guide you through the day: when to get light, when to have your last coffee, when to sleep. Works offline and your data stays on your device only.

Data is stored on your device only. We never send it anywhere.

Circadian plan

Your day based on the actual sunrise and sunset.

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Vitamin D window

When the sun is high enough today (above 45°) for your skin to make vitamin D.

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Caffeine curve

How much caffeine will be in your blood when you go to sleep (5-hour half-life).

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Fasting

Intermittent fasting timer with metabolic phases.

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Breathing

Guided breathing to calm down or focus.

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Sleep cycles

Wake up at the end of a cycle, not in the middle of deep sleep.

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Today's supplements

Your daily schedule. Tick what you have taken.

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Water

Daily goal based on your weight (35 ml per kg).

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Cold and sauna

Weekly research-based goal: 11 minutes of cold and 57 minutes of sauna.

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Journal

30 seconds a day. After a few days you will see what helps you.

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Want a plan made exactly for your body?

The helper gives general advice. Fénix Methode is based on your blood results.

Fénix Methode

The helper is for guidance only and does not replace medical care.