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  • Biorhythm Calculator - Biosync screenshot 1
  • Biorhythm Calculator - Biosync screenshot 2
  • Biorhythm Calculator - Biosync screenshot 3
  • Biorhythm Calculator - Biosync screenshot 4

About Biorhythm Calculator - Biosync

Unlock the science of your natural rhythms with BioSync – the most beautiful biorhythm tracker for iOS. YOUR BODY HAS A RHYTHM. LEARN TO LISTEN. Based on the century-old theory of biorhythms, BioSync calculates your three fundamental cycles from your birthday: ◆ PHYSICAL CYCLE (23 days) Track your energy, strength, and endurance. Know when to push hard at the gym or take a rest day. ◆ EMOTIONAL CYCLE (28 days) Understand your mood patterns, creativity peaks, and social energy. Plan important conversations for your best days. ◆ INTELLECTUAL CYCLE (33 days) Optimize your mental clarity, focus, and decision-making. Schedule important work when your mind is sharpest. KEY FEATURES ⏱ TODAY'S BIORHYTHM See your current physical, emotional, and intellectual levels at a glance with stunning wave visualizations. CALENDAR VIEW Look ahead to any date and see your predicted energy levels. Plan meetings, workouts, and important events for optimal days. COMPATIBILITY TRACKING Add friends, family, and partners to discover your biorhythm compatibility. Find out which days you sync best together. AI BIORHYTHM COACH Ask our intelligent assistant anything about your cycles. Get personalized advice on the best times for exercise, focus, creativity, and rest. DAILY INSIGHTS Receive personalized insights based on your unique cycle combinations – from "Power Days" when all cycles align to "Recharge Days" when rest is best. WHY BIORHYTHMS? Biorhythm theory suggests that our lives are influenced by rhythmic biological cycles affecting our physical, emotional, and intellectual capabilities. While scientific evidence is debated, millions find biorhythm tracking helpful for self-awareness and planning. BioSync makes this ancient wisdom accessible with modern design and AI-powered insights. BEAUTIFUL DESIGN • Elegant wave visualizations • Smooth animations • Dark and light themes • Designed for iOS with native components PRIVACY FIRST Your data stays on your device. We don't track you or sell your information. Your birthday and contacts are stored locally. Download BioSync today and start understanding your natural rhythms!

Ratings & reviews

4.5

12 ratings

5 ★ 75% 4 ★ 8% 3 ★ 8% 2 ★ 8% 1 ★ 0%

What’s new

Version 1.1.0 · Updated May 1, 2026

Welcome to BioSync! This release includes: • Beautiful biorhythm charts showing your physical, emotional, and intellectual cycles • Daily insights tailored to your unique rhythm patterns • Compatibility tracking with friends, family, and partners • AI-powered chat assistant for personalized biorhythm advice • Calendar view to plan ahead for your best days • Support for 14 languages Start your journey to understanding your natural cycles today!

App privacy

The developer, Eiras Labs LLC, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID

Used for: App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Contact Info: Name
  • Other Data: Other Data Types

Used for: App Functionality

Alternatives to Biorhythm Calculator - Biosync

Looking for apps like Biorhythm Calculator - Biosync? Here are 6 similar apps on the App Store. The highest rated is Biorhythm - Chart Of Your Life (4.4/5), and all 6 are free to download.

Biorhythm Calculator - Biosync vs. alternatives
App Rating Price Last updated
Biorhythm Calculator - Biosync 4.5 / 5 (12 ratings) Free May 1, 2026
Biorhythm Tracker – Free Mar 18, 2026
The Biorhythm 4.2 / 5 (61) Free Jul 1, 2026
Biorhythmmm 4.3 / 5 (3) Free Sep 8, 2026
BioFlow – Free Mar 20, 2026
Biorhythm - Chart Of Your Life 4.4 / 5 (84) Free Jan 8, 2024
myBiorythm 4.0 / 5 (79) Free Sep 24, 2026