# Circular Ring - Health Tracker

> Improve your sleep, activities and health with AI-powered insights from Circular

Canonical page: [https://chrome-stats.com/d/xyz.circular.circular](https://chrome-stats.com/d/xyz.circular.circular)

## Overview

- **ID:** `xyz.circular.circular`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Circularing
- **Category:** HEALTH\_AND\_FITNESS
- **Downloads:** 14,509
- **Rating:** 2.62 / 5 (774 ratings)
- **Version:** 29.27.0
- **Last updated:** 2026-09-01
- **First published:** 2022-07-11
- **Publisher country:** HK
- **Size:** 181 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=xyz.circular.circular)
- **Website:** [https://www.circular.xyz](https://www.circular.xyz/)
- **Privacy policy:** [https://www.circular.xyz/privacy-policy](https://www.circular.xyz/privacy-policy)

## Description

Circular Ring is the world’s most complete health improvement platform, offering 13+ features to help you optimize your wellness. Paired with the Circular Ring, the Circular app provides deep insights into your sleep, recovery, stress, heart health, energy levels, and activity, making it easy to understand and improve your health over time. Through continuous 24/7 biosignal tracking, Circular unleashes the full potential of your data and AI-powered insights to support your wellness journey.

Features include Sleep Monitoring, Energy Score, Heart Rhythm Monitoring, Stress Tracking, Coherence Training, Women’s Health Tracking, Activity & Sport Sessions, Live Measurements, Vital Alerts, Smart Alarm Clock, Medication Reminders, Personal Diary & Calendar, and Gamification. The AI Health Coach KIRA offers automatic cross-data correlation and personalized, science-backed recommendations, with a 14-Day Calibration to tailor recommendations to you. Privacy-first options like Airplane Mode and Bluetooth-based data handling are available; note that Circular is not a medical device and is not a substitute for professional care.

## Rankings

- #488,709 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_BACKGROUND_LOCATION`
- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_NOTIFICATION_POLICY`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.BLUETOOTH_SCAN`
- `android.permission.DOWNLOAD_WITHOUT_NOTIFICATION`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE`
- `android.permission.FOREGROUND_SERVICE_DATA_SYNC`
- `android.permission.FOREGROUND_SERVICE_LOCATION`
- `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.SET_ALARM`
- `android.permission.USE_FULL_SCREEN_INTENT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `android.permission.health.WRITE_BODY_TEMPERATURE`
- `android.permission.health.WRITE_DISTANCE`
- `android.permission.health.WRITE_EXERCISE`
- `android.permission.health.WRITE_EXERCISE_ROUTE`
- `android.permission.health.WRITE_HEART_RATE`
- `android.permission.health.WRITE_HEART_RATE_VARIABILITY`
- `android.permission.health.WRITE_MENSTRUATION`
- `android.permission.health.WRITE_OXYGEN_SATURATION`
- `android.permission.health.WRITE_RESPIRATORY_RATE`
- `android.permission.health.WRITE_RESTING_HEART_RATE`
- `android.permission.health.WRITE_SLEEP`
- `android.permission.health.WRITE_STEPS`
- `android.permission.health.WRITE_TOTAL_CALORIES_BURNED`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `xyz.circular.circular.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Users praise Circular for its deep metrics, unique features (smart alarm, breathing, live testing) and improving app/firmware. However, many reviews report repeated connection/sync failures, hardware reliability problems (bricked or broken rings), poor customer service with long delays, and occasional inaccurate measurements and battery/charging issues.

### Pros

- Provides comprehensive health metrics (HR, HRV, RHR, SpO2, sleep stages, body temperature, VO2 max) and access to raw data
- Unique app features — smart alarm, breathing exercises, live testing and leaderboard/motivational elements
- App design and insights are useful and improving over time with firmware/app updates
- When it works, users find the data and insights valuable and more informative than some competitors

### Cons

- Frequent connection and sync problems — often only syncs in foreground, slow cloud sync, and intermittent Bluetooth drops
- Hardware reliability issues reported repeatedly (rings arriving late, bricking during firmware updates, broken or non-functioning rings)
- Poor customer support and very long shipping/replacement times; many users report ignored refund requests and slow/email-heavy support
- Inconsistent or inaccurate measurements at times (real-time heart rate, sleep stages, anomalies) and battery/charging problems (short battery life, long charge time, charger overheating)

## Similar extensions and apps

- [Circular Dev](https://chrome-stats.com/d/xyz.circular.circular.dev) — 35 users
- [CareRing](https://chrome-stats.com/d/com.carering.x_ring) — 52 users
- [CIRCUL RING](https://chrome-stats.com/d/com.circul.zg29) — 4,441 users, 2.48 / 5
- [Circle O Ring](https://chrome-stats.com/d/com.trisonx.circle) — 1,331 users
- [retimer Ring](https://chrome-stats.com/d/com.retimer.ring) — 272 users
- [Loop Ring](https://chrome-stats.com/d/ai.loopring) — 1,441 users
- [LaRing](https://chrome-stats.com/d/com.nes.ring) — 4 users
- [Nova Ring](https://chrome-stats.com/d/com.nova.ring) — 6,860 users, 2.48 / 5
- [Moon Ring](https://chrome-stats.com/d/com.moonring.ring) — 249 users
- [vitalRing](https://chrome-stats.com/d/de.vitalring.app) — 60 users
- [Sigma Ring](https://chrome-stats.com/d/com.saleskit.sk117) — 76 users
- [Fy Ring](https://chrome-stats.com/d/io.livelog.ring.mv_ring) — 1,052 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/xyz.circular.circular)