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Learn & explore
Tips, guides and insights to get the most out of your Circular Ring.
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Popular
Activity
Smart Ring vs Chest Strap: ECG Accuracy Compared
June 22, 2026
6 min read
Product Updates
4 Best Non-Watch Fitness Trackers in 2026
June 5, 2026
6 min read
Product Updates
Circular Ring 2 Release Notes (March 2026): 5x Faster Sync, Offline Mode, and Scoring Refinements
March 31, 2026
4 min read
Product Updates
Ultrahuman Ring Pro vs Circular Ring 2: Which is worth buying?
May 20, 2026
6 min read
Product Updates
14 Best Wellness Gifts for Mom This Mother's Day
May 8, 2026
5 min read
Product Updates
February 2026 Leaderboard Recap: Top 20 Users & Winner Interview
March 20, 2026
3 min read
Product Updates
16 Truly Impressive Gifts for the Mom Who Has Everything
April 29, 2026
6 min read
Product Updates
Circular Ring Leaderboard: Wellness Score, Rankings and Monthly Prizes
January 10, 2026
3 min read
Product Updates
5 Best Smart Rings for Women in 2026
April 27, 2026
8 min read
Product Updates
Circular Ring 2 Release Notes (Jan 2026): Database Optimization, Server Performance Upgrade, and 2025 Year in Review
January 31, 2026
8 min read
Product Updates
WHOOP vs Circular Ring 2: Which is Right for You?
April 20, 2026
8 min read
Product Updates
Circular Ring 2 Release Notes (Nov 2025): Shipping Complete, Infrastructure Evolving
November 30, 2025
3 min read
Product Updates
What Makes the Circular Ring 2 Different from Every Other Smart Ring
April 9, 2026
9 min read
Product Updates
Circular Ring 2 Release Notes (Oct 2025): Shipping Complete, Customer Support, Firmware Update
October 31, 2025
3 min read
Product Updates
Best Smart Rings Without Subscription in 2026 (Tested & Ranked)
March 31, 2026
6 min read
Product Updates
Circular Ring 2 Release Notes (Dec 2025): Database Migration, App 28.36.0, and Sync Stability Fixes
December 31, 2025
5 min read
Sleep
5 Best Sleep Tracking Devices of 2026: Which One is Worth Your Money?
March 11, 2026
7 min read
Product Updates
Circular Ring 2 vs RingConn Gen 2: Which Smart Ring Is Better?
March 6, 2026
6 min read
Activity
6 Best Ways to Track Your Menstrual Cycle (With Pros and Cons)
February 23, 2026
10 min read
Activity
4 Best Health Trackers to Wear with a Classic Watch
February 18, 2026
6 min read
Product Updates
Circular Ring 2 Release Notes (Sep 2025): Dedicated Sync Architecture, Faster Data Transfer & Sleep Tracking Improvements
September 30, 2025
3 min read
Popular
21 Gifts for Your Wife: Best Options for Every Type of Woman
February 6, 2026
12 min read
Activity
How to Recover From Burnout: 10 Proven Strategies to Feel Like Yourself Again
February 3, 2026
10 min read
Popular
10 Thoughtful Valentine’s Gifts for Him (With a Quick Picker by Type)
January 31, 2026
9 min read
Sleep
How to Fix Shift Work Sleep Disorder: 8 Strategies That Actually Help
January 26, 2026
14 min ead
Sleep
Why Am I So Tired in the Morning? Common Causes and Fixes
January 21, 2026
15 min read
Activity
Hot Flashes During Period: Are they Normal and How to Manage Them?
January 14, 2026
8 min read
Product Updates
Smart Ring vs Smart Watch: Which is Better?
January 5, 2026
12 min read
Popular
17 Luxury Gifts for Men Who Are Hard to Impress
December 24, 2025
15 min read
Sleep
How to Wake Up Easier: 12 Tips to Beat Grogginess and Start Fresh
December 5, 2025
7 min read
Activity
How to Calculate Your Ovulation Window and Know When You’re Most Fertile
November 20, 2025
8 min read
Activity
7 Great Breathing Exercises for Stress Relief That Actually Work
November 7, 2025
7 min read
Sleep
How to Get Over Jet Lag: 8 Pre and Post-Flight Tips
October 20, 2025
9 min read
Product Updates
What Is a Smart Ring and How Can It Improve Your Life?
October 15, 2025
10 min read
Product Updates
Why ECG is a Game Changer in Circular Ring 2 — And How to Use It Right
March 26, 2025
2 min read
Popular
The Circular Ring 2 Kickstarter Campaign Is Live – A New Era for Personalized Health
March 14, 2025
2 min read
Product Updates
How to Use Your HSA or FSA to Purchase the Circular Ring
August 27, 2024
2 min read
Popular
Discover the New Coherence Breathing Circle in the Circular Ring
August 19, 2024
2 min read
Product Updates
Circular Partners with Sweatcoin for an Exciting World Wellbeing Week June Challenge!
June 24, 2024
3 min read
Popular
NBA Star Clint Capela Joins the Circular Tribe
June 20, 2024
2 min read
Product Updates
Explore Your Health Like Never Before with the Advanced Analytics Circle
June 4, 2024
2 min read
Product Updates
Unleash Your Potential with the New Sport Session Circle
May 28, 2024
2 min read
Sleep
Beat Sleep Inertia and Wake Up Alert: How Circular's Smart Alarm and Wake-Up Score Revolutionize Mornings
March 8, 2024
2 min read
Product Updates
Introducing the Medication Reminder Feature in Circular: A Leap Towards a Complete Wellness Ecosystem
February 29, 2024
3 min read
Product Updates
Kira+ Beta: Revolutionizing Personal Health with AI-Powered Coaching
January 26, 2024
2 min read
Sleep
Stress Levels Tracking: Your Path to Inner Peace
October 18, 2023
3 min read
Product Updates
Seamless Integration: Circular Ring Now Compatible with Google Fit"
September 27, 2023
2 min read
Product Updates
Wellness Rewards: Introducing Circular Coins
September 24, 2023
3 min read
Sleep
Unveiling Sleep Secrets: Decoding Your Heart Rate Trend During Sleep with Circular Ring
July 28, 2023
3 min
Sleep
Introducing Kira+: The Most Sophisticated Personalized Wellness AI Powered by Circular
July 20, 2023
3 min read
Product Updates
Circular Ring Achieves Seamless Compatibility with Apple HealthKit
July 19, 2023
3 min read
Product Updates
Introducing the latest upgrades to Circular Ring: Green LED and Improved Peak Detection Algorithm
May 22, 2023
3 min read
Product Updates
Major Product Upgrade 1
March 16, 2023
5 min read
Sleep
Leaderboard Winner Interview (Audrey C.) - October 2022
December 13, 2022
5 min read
Sleep
New release: Guided Breathing Exercises Circle
October 12, 2022
3 min read
Sleep
Calculate Sleep to Know the Best Time to Go to Sleep
July 27, 2022
8 min read
Activity
Average Resting Heart Rate by Age: All You Need to Know
July 27, 2022
10 minutes read
Activity
Blood Oxygen: What is a Normal Level
July 15, 2022
10 min read
Activity
Aerobic Exercises: The Best Tips
July 15, 2022
8 min read
Activity
Average Body Temperature: All You Need to Know
June 13, 2022
8 min read
Product Updates
Circular Delivery Update #2
June 10, 2022
2 min read
Activity
Active Calories vs Total Calories: All You Need to Know
March 6, 2022
3 min read
Product Updates
Circular Delivery Update #1
May 25, 2022
2 min read
Sleep
Dive into CBE - Circular’s Brain Engine
July 4, 2022
5 min read
Activity
Recovery Heart Rate: All you Need to Know
April 7, 2022
3 min read
Activity
Does your oxygen level drop when you lay down?
March 24, 2022
5 min read time
Sleep
Bio sensors: What is It and How Do They Work?
January 17, 2022
3 min read
Activity
Health Data Management: How to Use it To Get Healthier
January 15, 2022
4 min read
Activity
Heart Rate Monitor: how to use it?
January 12, 2022
3 min read
Activity
How Does a Pedometer Help People Reach Their Fitness Goals?
January 8, 2022
4 min read
Activity
The Power of Wellbeing Tracking: Your Guide to a Better Lifestyle
January 6, 2022
5 min read
Activity
What Is a Pedometer, and How Do You Use One?
January 3, 2022
5 min read
Sleep
Health Metrics: What vital metrics are important to track? And why?
December 22, 2020
5 min read
Sleep
Circular calibration period: the new way to improved tracking!
March 4, 2021
1 min read
Activity
Body Temperature Variation: How does Circular Track it?
February 9, 2021
2 min read
Activity
Respiratory Rate: Why is it useful to track?
March 2, 2021
2 min read
Sleep
REM sleep is key to your weight loss journey!
March 7, 2021
1 min read
Sleep
Chronotypes and what effect do they have on our daily lives
March 11, 2021
2 min read
Sleep
Bio-hacking Best Practices from Coach Siim Land
February 25, 2020
3 min
Product Updates
Kickstarter Campaign - Update #2
February 18, 2020
1 min
Product Updates
Kickstarter campaign - Update #1
February 16, 2020
1 min
Product Updates
Circular is LIVE on Kickstarter
January 28, 2020
1 min
Product Updates
Circular update: Exclusive content, CES, Kickstarter ...
January 20, 2020
2 min
Product Updates
Circular is on Product Hunt!
October 2, 2019
1 min read
Activity
Rested Heart Rate (RHR): What Increases and Decreases it ?
September 20, 2019
3 min read
Product Updates
How to change the interchangeable shell of my Circular Ring
January 26, 2020
1 min read
Sleep
The Circular® Global Score, Leaderboard and Streak score
October 12, 2022
2 min read
Activity
The Training zone, EPOC and recovery for weight loss: science-backed theory
December 31, 2019
2 min read
Activity
Understanding VO2 max: why is it useful?
July 19, 2022
2 min read
Activity
Circular’s calories burned
November 25, 2022
1 min read
Activity
Circular’s walking equivalency & steps counter
November 25, 2022
1 min read
Activity
How Circular tracks your Active minutes, Cardio points, Activity Volume, and Recovery
November 25, 2022
1 min read
Activity
How Circular tracks your Activity intensity
January 12, 2020
1 min read
Activity
Why it is important to know your Max Heart Rate
December 17, 2019
1 min read
Activity
What is blood oxygenation level or blood saturation (SpO2): Uses and More
August 30, 2019
3 min read
Activity
How Circular tracks your Resting Heart Rate (RHR) and how to use it?
August 30, 2019
3 min read
Activity
Understanding the Circular® Energy score: are you ready or not for the day?
January 20, 2020
3 min read
Sleep
What is the Circular® Wake up score and how it is calculated
August 3, 2023
1 min read
Sleep
What is the Circular® Sleep quality score and how it is calculated
August 20, 2023
3 min read
How to hack your body to get rid of stress and anxiety
August 30, 2019
3 min read
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