What's new
The latest additions to aimy.bio — your free, fully private biorhythm companion. Newest first, each explained by what it does for you.
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Your key days, right in your calendar
One tap in the calendar section now exports your next 90 days of key days — transition days and strong-phase starts — straight into your phone or desktop calendar. The file holds only dates and gentle notes: no birth date, no name, nothing sent to any server. When it runs out, the last event reminds you to grab a fresh one.
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One page with everything the app does
A new overview page gathers every feature in one place — the daily rings, the key-day calendar, phase charts, compatibility, family view and the blind diary. Handy for finding your way around, or showing someone what aimy.bio is.
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Sharper, more personal insights
We rewrote the app's guidance — compatibility advice, cycle descriptions and the little day-ahead notes are now more specific, more grounded in the method, and calmer in tone. Less generic, more you.
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Find your diary, and see the good days coming
The private self-test diary is now easy to find, with a friendly one-time invite to try it. And the Today view can now point out when a high phase or a fresh start is on the way — a little reason to check back. As always: private, on your device, no pressure.
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See exactly how it works — now open source
The biorhythm engine and the method behind aimy.bio are now open source — anyone can read the code, verify it or build on it. Explore the open-source page — nothing about how your data stays private has changed.
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A calmer, more beautiful look for your cycles
The biorhythm rings and the match view got a calmer look with a soft palette inspired by the aurora borealis — clearer colours, a gentler glow, and the same trustworthy numbers underneath.
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Share your day as a card
Turn today's reading into a clean image and share it in a single tap — your rhythms, nicely laid out, with nothing personal attached.
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Open any day on the calendar
Tap a date to see that day's rhythm, whether it's a key day, and a gentle note looking back or ahead.
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Keep a private diary — and help the research
Note how your day felt before you see the chart, then compare. If you like, join an open, fully anonymous study of Dr. Sikora's method.
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A blog full of clear guides
Friendly, genuinely useful articles on biorhythms, critical days, compatibility and the method behind the app — in every language.
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Make each profile yours
Pick a colourful monogram, an icon or your own photo — re-encoded on your device, so any location data is stripped out.
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Get it from the first second
A clearer welcome and a plain-language guide to the method, so anyone can understand what biorhythms are right away — even on day one.
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See how two people match
Compare any two people's cycles to spot where you're in sync and where you naturally pull apart.
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Bring in the whole family
Add up to ten profiles and a shared calendar that highlights everyone's key days together — handy for planning a trip, a talk or a decision.
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Try it instantly, install it like an app
A live guest demo loads in one tap, and you can add aimy.bio to your home screen to use it full-screen, even offline.
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Free and private from day one
No accounts, no ads, no tracking — your profiles never leave your browser, and the app is free, always.
aimy.bio is free, and stands as a tribute to the work of Dr. Jerzy Sikora. The engine itself is open source — see the code on GitHub.