BioPocket 3 — A Fresh New Start for a Classic
More than twenty years ago, BioPocket appeared on Pocket PC devices — a small utility that tried to visualize how our energy, emotions and thoughts move in cycles.
Fast forward to today: the app has grown, evolved, and has just been completely rewritten for iOS.
This isn’t just a facelift. It’s a full comeback.
A Short Look Back
- 2003 – BioPocket was born on Pocket PC
- 2011 – Ported to iPhone, one of the very first biorhythm apps on iOS
- 2025 – Rebuilt from scratch with a brand-new design, modern code, and smoother interactions
Over the years, BioPocket has kept one simple promise: to help you understand your own natural rhythms and live more consciously.
What’s Inside BioPocket
BioPocket shows four main cycles that influence our daily life:
- Physical (23 days): your energy and vitality
- Emotional (28 days): how you feel and connect with others
- Intellectual (33 days): focus, clarity and learning ability
- Intuitional (38 days): intuition, instincts, and “gut feelings”
You can track these curves day by day and even compare them with other people’s — whether it’s a friend, a partner or a colleague.
It’s a fun and surprisingly accurate way to spot good moments for action or reflection.
Biorhythms aren’t science, but they can help you step back and listen to yourself — which might be just as important.
A Design Made for iOS
BioPocket 3 has been completely redesigned to match the visual language of modern iOS.
Smooth glass-style panels, subtle shadows, dark mode support, and gentle animations make the charts feel alive.
You can adjust:
- Colors and themes
- Curve thickness and grid lines
- Animation speed
- Display options for each cycle
Everything feels light, precise, and fluid — exactly as it should on an iPhone.



A More Personal Experience
Adding people is easier than ever. Tap the button, enter a birth date, and you’ll instantly see how your rhythms align.
The app now keeps everything tidy and visual, with intuitive gestures:
swipe to move through days, toggle cycles with a tap, and explore the future (or the past) with ease.
Under the Hood
This version is entirely rewritten — using modern iOS frameworks for faster performance and better accuracy.
Leap years are handled correctly, and calculations have been refined for precision.
It’s also more energy-efficient and works seamlessly on iOS 15.6 and above.
Why It Matters
It doesn’t ask for data, permissions, or accounts — just your date of birth.
Then, it quietly reminds you that everything moves in cycles, including you.
Maybe that’s the real secret behind this little app’s longevity.


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